Difference between revisions of "Third-party T-series codes"

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[[Sega]] used '''T-series codes''' to identify officially licensed third party developers. ROM headers of games developed by a third party (except those that Sega contracts out, such as [[Nextech]]) usually contain a field stating the T-series code. For example, the sixteen bytes at offset $110 (hex) of [[Sega Mega Drive]] game ROMs would usually look like one of
+
When [[Sega]] was producing video game hardware, the company used '''T-series codes''' to identify officially licensed third party publishers for its systems. T-series codes typically appear on the boxes and/or media of third-party Sega software, in a similar manner to how official G-series or MK-series identifers are displayed.
 +
 
 +
T-series codes came into use during the late 1980s and were issued until the mid-2000s. Prior to this there were relatively few third-party publishers and no official identification system - [[Sega]] typically published all [[SG-1000]] and [[Sega Master System]] games (notable exceptions include [[Salio]] and various Western companies involved in [[SC-3000]] development), however this changed by the release of the [[Sega Mega Drive]]. The first T-series codes appeared publically in 1989.
 +
 
 +
The first two (or three) digits after the T represent the publisher. Any numbers after this represent the specific release, and a letter on the end specifies a console (the latter not coming into use until the mid-90s).
 +
 
 +
Not all publishers followed these rules, most notably [[Electronic Arts]] which did not show its T-series code on Mega Drive releases.
 +
 
 +
==Within games==
 +
Mega Drive ROM headers of games developed by a third party (except those that Sega contracts out, such as [[Nextech]]) usually contain a field stating the T-series code. For example, the sixteen bytes at offset $110 (hex) of game ROMs would usually look like one of
 
  (C)SEGA ''year''.''mon''
 
  (C)SEGA ''year''.''mon''
 
  (C)T-''xx'' ''year''.''mon''
 
  (C)T-''xx'' ''year''.''mon''
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Not all third party developers/publishers have followed these rules; for example, [[Psygnosis]], [[Kaneko]], [[Taito]], and [[Treco]] have placed their company name in the field on several occasions.
 
Not all third party developers/publishers have followed these rules; for example, [[Psygnosis]], [[Kaneko]], [[Taito]], and [[Treco]] have placed their company name in the field on several occasions.
  
 +
==List==
 
{|class="prettytable sortable"
 
{|class="prettytable sortable"
 
!T-Code
 
!T-Code
−
!Developer
+
!Company
 
|-
 
|-
−
|T-11||[[Taito]]
+
{{#cargo_query:
−
|-
+
table=companydetails
−
|T-12||[[Capcom]]
+
|fields=tseries,company
−
|-
+
|where=tseries != ""
−
|T-13||[[Data East]]
+
|limit=10000
−
|-
+
|order by=paddedtseries,start
−
|T-14||[[Namco]]
+
|format=template
−
|-
+
|template=CargoTSeries
−
|T-15||[[Sunsoft]]
+
}}
−
|-
+
|}
−
|T-16||[[Bandai]], [[Ma-Ba]]
+
 
−
|-
+
===Others===
−
|T-17||[[Dempa]]
+
{|class="prettytable sortable"
−
|-
+
!T-Code
−
|T-18||[[Tecno Soft]]
+
!Publisher (Label/Team/Alias)
−
|-
 
−
|T-19||[[Tecno Soft]]
 
−
|-
 
−
|T-20||[[Asmik]]
 
−
|-
 
−
|T-21||[[ASCII]]
 
−
|-
 
−
|T-22||[[Micronet]]
 
−
|-
 
−
|T-23||[[Vic Tokai]]
 
−
|-
 
−
|T-24||[[Treco]]/[[Sammy]]
 
−
|-
 
−
|T-25||[[NCS]]/[[Masaya]]
 
−
|-
 
−
|T-26||[[Sigma Enterprises]]
 
−
|-
 
−
|T-27||[[Toho]]
 
−
|-
 
−
|T-28||[[HOT-B]]
 
−
|-
 
−
|T-29||[[Kyugo]]
 
−
|-
 
−
|T-30||[[Video System]]
 
−
|-
 
−
|T-31||[[SNK]]
 
−
|-
 
−
|T-32||[[Wolf Team]]
 
−
|-
 
−
|T-33||[[Kaneko]]
 
−
|-
 
−
|T-34||[[DreamWorks]]
 
−
|-
 
−
|T-35||[[Seismic]], [[Compile]]
 
−
|-
 
−
|T-36||[[Tecmo]]
 
−
|-
 
−
|T-37||
 
−
|-
 
−
|T-38||[[Sanritsu]]
 
−
|-
 
−
|T-39||
 
−
|-
 
−
|T-40||[[Toaplan]]
 
−
|-
 
−
|T-41||[[UNIPACC]]
 
−
|-
 
−
|T-42||[[UPL]]
 
−
|-
 
−
|T-43||[[Human]]
 
−
|-
 
−
|T-44||[[Sanritsu]]/[[SIMS]]
 
−
|-
 
−
|T-45||[[Game Arts]]
 
−
|-
 
−
|T-46||[[Kodansha]]
 
−
|-
 
−
|T-47||[[Sage's Creation]]
 
−
|-
 
−
|T-48||[[Tengen]], [[Time Warner Interactive]]
 
−
|-
 
−
|T-49||[[Telenet Japan]]
 
−
|-
 
−
|T-50||[[Electronic Arts]]
 
−
|-
 
−
|T-51||[[Microcabin]]
 
−
|-
 
−
|T-52||[[SystemSoft]]
 
−
|-
 
−
|T-53||[[Riverhillsoft]]
 
−
|-
 
−
|T-54||[[Face]]
 
−
|-
 
−
|T-55||[[Nuvision]]
 
−
|-
 
−
|T-56||[[Razorsoft]]
 
−
|-
 
−
|T-57||[[Jaleco]]
 
−
|-
 
−
|T-58||[[Visco]]
 
−
|-
 
−
|T-59||
 
−
|-
 
−
|T-60||[[Victor Entertainment]]
 
−
|-
 
−
|T-61||[[Wonder Amusement Studio]]
 
−
|-
 
−
|T-62||[[Sony Imagesoft]]
 
−
|-
 
−
|T-63||[[Toshiba EMI]]/[[TAMTAM]]/[[System Soft]]
 
−
|-
 
−
|T-64||[[IGS]]
 
−
|-
 
−
|T-65||[[Tsukuda Original]]
 
−
|-
 
−
|T-66||[[Compile]]
 
−
|-
 
−
|T-67||[[Magical]]
 
−
|-
 
−
|T-68||[[CSK Research Institute]] (CRI)
 
−
|-
 
−
|T-69||[[Arena]]
 
−
|-
 
−
|T-70||[[Virgin Interactive]]
 
−
|-
 
−
|T-71||[[Nihon Bussan]] (Nichibutsu)
 
−
|-
 
−
|T-72||[[Varie]]
 
−
|-
 
−
|T-73||[[Coconuts Japan]]
 
−
|-
 
−
|T-74||[[PALSOFT]]/[[Soft Vision]]
 
−
|-
 
−
|T-75||[[Pony Canyon]]
 
−
|-
 
−
|T-76||[[Koei]]
 
−
|-
 
−
|T-77||[[Sur De Wave]]
 
−
|-
 
−
|T-79||[[U.S. Gold]]
 
−
|-
 
−
|T-81||[[Flying Edge]]/[[Acclaim]]
 
−
|-
 
−
|T-83||[[GameTek]]
 
−
|-
 
−
|T-84||[[GameTek]]
 
−
|-
 
−
|T-85||[[PCM Complete]]
 
−
|-
 
−
|T-86||[[Absolute Entertainment]]
 
−
|-
 
−
|T-87||[[Mindscape]]/[[Software Toolworks]]
 
−
|-
 
−
|T-88||[[Domark]]
 
−
|-
 
−
|T-89||[[Parker Brothers]]
 
−
|-
 
−
|T-91||[[Pack-In-Video]] > [[Pack-In-Soft]] > [[Victor Interactive Sofware]]
 
−
|-
 
−
|T-92||[[Polydor K.K.]]
 
−
|-
 
−
|T-93||[[Sony]]
 
−
|-
 
−
|T-95||[[Konami]]
 
−
|-
 
−
|T-97||[[Tradewest]]
 
−
|-
 
−
|T-99||[[Success]]
 
−
|-
 
−
|T-100||[[Black Pearl Software]] (later THQ)
 
−
|-
 
−
|T-101||[[TecMagik]]
 
−
|-
 
−
|T-103||[[Takara]]
 
−
|-
 
−
|T-105||[[Shogakukan Production]]
 
−
|-
 
−
|T-106||[[Electronic Arts Victor]]
 
−
|-
 
−
|T-107||[[Electro Brain]]
 
−
|-
 
−
|T-109||[[Saddleback Graphics]]
 
−
|-
 
−
|T-110||[[Dynamix]]
 
−
|-
 
−
|T-111||[[American Laser Games]]
 
−
|-
 
−
|T-112||[[Hi-Tech Expressions]]
 
−
|-
 
−
|T-113||[[Psygnosis]]
 
−
|-
 
−
|T-114||[[T&E Soft]]
 
−
|-
 
−
|T-115||[[Core Design]]
 
−
|-
 
−
|T-118||[[Compton's New Media]]
 
−
|-
 
−
|T-119||[[Accolade]]
 
−
|-
 
−
|T-120||[[Codemasters]]
 
−
|-
 
−
|T-121||[[Readysoft]]
 
−
|-
 
−
|T-123||[[Gremlin Interactive]]
 
−
|-
 
−
|T-124||[[Spectrum Holobyte]]
 
−
|-
 
−
|T-125||[[Electronic Arts Victor]], [[Interplay]]
 
−
|-
 
−
|T-126||[[Maxis]]
 
−
|-
 
−
|T-127||[[Working Designs]]
 
−
|-
 
−
|T-130||[[Activision]]
 
−
|-
 
−
|T-132||[[Shiny & Playmates]]
 
−
|-
 
−
|T-133||[[Bandai]]
 
−
|-
 
−
|T-135||[[CapDisc]]
 
−
|-
 
−
|T-137||[[ASC Games]]
 
−
|-
 
−
|T-139||[[Viacom New Media]]
 
−
|-
 
−
|T-141||[[Toei Video]]
 
−
|-
 
−
|T-143||[[Hudson Soft]]
 
−
|-
 
−
|T-144||[[Atlus]]
 
−
|-
 
−
|T-145||[[Sony Music Entertainment]]
 
−
|-
 
−
|T-146||[[Takara]]
 
−
|-
 
−
|T-147||[[Sansan Co., Ltd.|Sansan]]
 
−
|-
 
−
|T-149||[[Infocom]]
 
−
|-
 
−
|T-150||[[Imagineer]]
 
−
|-
 
−
|T-151||[[Infogrames]]
 
−
|-
 
−
|T-152||[[Davidson & Associates]]
 
−
|-
 
−
|T-153||[[Rocket Science Games]]
 
−
|-
 
−
|T-154||[[Technos Japan]]
 
−
|-
 
−
|T-157||[[Angel]]
 
−
|-
 
−
|T-158||[[Mindscape]]
 
−
|-
 
−
|T-159||[[BMG Victor]], [[Crystal Dynamics]]
 
−
|-
 
−
|T-160||[[Time Warner Interactive]]
 
−
|-
 
−
|T-161||[[Fox Interactive]]
 
−
|-
 
−
|T-162||[[Digital Pictures]]
 
−
|-
 
−
|T-164||[[Ocean]]
 
−
|-
 
−
|T-165||[[Seta]]
 
−
|-
 
−
|T-166||[[ALTRON]]
 
−
|-
 
−
|T-167||[[ASK Kodansha]]
 
−
|-
 
−
|T-168||[[Athena]]
 
−
|-
 
−
|T-170||[[General Entertainment]] (GE)
 
−
|-
 
−
|T-174||[[Glams]]
 
−
|-
 
−
|T-176||[[ASCII|ASCII Something Good]]
 
−
|-
 
−
|T-177||[[Ubisoft]]
 
−
|-
 
−
|T-178||[[Hitachi]]
 
−
|-
 
−
|T-180||[[BMG Japan]]
 
−
|-
 
−
|T-185||[[Gaga Communications]]
 
−
|-
 
−
|T-186||[[Game Bank, Soft Bank]]
 
−
|-
 
−
|T-187||[[Naxat Soft]] > [[Pionesoft]]
 
−
|-
 
−
|T-188||[[Mizuki]] > [[Maxbet]] > [[Spike]], [[Geo]]
 
−
|-
 
−
|T-189||[[KAZe]]
 
−
|-
 
−
|T-194||[[We Net]]
 
−
|-
 
−
|T-195||[[Datam Polystar]]
 
−
|-
 
−
|T-197||[[KID]] (Kindle Imagine Develop)
 
−
|-
 
−
|T-198||[[Epoch]]/[[Sakata SAS]]
 
−
|-
 
−
|T-199||[[Ving]]
 
−
|-
 
−
|T-200||[[Yoshimoto Kogyo]]
 
−
|-
 
−
|T-201||[[InterChannel|NEC Interchannel/InterChannel]]
 
−
|-
 
−
|T-202||[[Sonnet Computer Entertainment]]/[[Varie]]
 
−
|-
 
−
|T-203||[[Game Studio]]
 
−
|-
 
−
|T-204||[[Psikyo]]
 
−
|-
 
−
|T-205||[[Media Entertainment]]
 
−
|-
 
−
|T-206||[[Banpresto]]
 
−
|-
 
−
|T-207||[[Ecseco Development]]
 
−
|-
 
−
|T-208||[[Bullet Proof Software]] (BPS)/[[Elorg]]
 
−
|-
 
−
|T-209||[[SIEG]]/[[PRISM]]
 
−
|-
 
−
|T-210||[[Yanoman Games]]
 
−
|-
 
−
|T-212||[[Oz Club]]
 
−
|-
 
−
|T-213||[[Nihon Greate]]
 
−
|-
 
−
|T-214||[[Media Rings]]
 
−
|-
 
−
|T-215||[[Shoeisha]]
 
−
|-
 
−
|T-216||[[Open Book]]
 
−
|-
 
−
|T-217||[[Hamlet]]/[[Hakuhodo]]
 
−
|-
 
−
|T-218||[[Yumedia]] (Aroma)
 
−
|-
 
−
|T-219||[[Societa Daikanyama]]
 
−
|-
 
−
|T-220||[[Arc System Works]]
 
−
|-
 
−
|T-221||[[Climax Entertainment]]
 
−
|-
 
−
|T-222||[[Pioneer LDC]]
 
−
|-
 
−
|T-223||[[Tokuma Shoten]]
 
−
|-
 
−
|T-224||[[I'Max]]
 
−
|-
 
−
|T-227||[[Vantan International]]/[[Electric Dreams]]
 
−
|-
 
−
|T-229||[[Titus]]
 
−
|-
 
−
|T-230||[[LucasArts]]
 
−
|-
 
−
|T-231||[[Pai]]
 
−
|-
 
−
|T-232||[[Ecole]] > [[Reindeer]]
 
−
|-
 
−
|T-234||[[Bandai Visual]]
 
−
|-
 
−
|T-235||[[Quintet]]
 
−
|-
 
−
|T-239||[[Disney Interactive]]
 
−
|-
 
−
|T-240||[[9003]] > [[OpenBook9003]]
 
−
|-
 
−
|T-241||[[Multisoft]]/[[Millenium Interactive]]
 
−
|-
 
−
|T-242||[[Sky Think System]]
 
−
|-
 
−
|T-243||[[OCC]]
 
−
|-
 
−
|T-246||[[INCREMENT P]] (iPC)
 
−
|-
 
−
|T-249||[[King Records]]
 
−
|-
 
−
|T-250||[[Fun House]]
 
−
|-
 
−
|T-251||[[Patra]]
 
−
|-
 
−
|T-252||[[Inner Brain]]
 
−
|-
 
−
|T-253||[[Make Software]]
 
−
|-
 
−
|T-254||[[GT Interactive Software]]
 
−
|-
 
−
|T-255||[[Kodansha]]
 
−
|-
 
−
|T-257||[[Clef]]
 
−
|-
 
−
|T-259||[[Sega]] (? - Cleaning Kit)
 
−
|-
 
−
|T-260||[[Fujitsu Parex]]/[[JAPAN MEDIA PROGRAMMING]] (JAMP)
 
−
|-
 
−
|T-261||[[Xing Entertainment]]
 
−
|-
 
−
|T-264||[[Media Quest]]
 
−
|-
 
−
|T-268||[[WOOYOUNG]]
 
−
|-
 
−
|T-270||[[Nihon System]]
 
−
|-
 
−
|T-271||[[Virgin Interactive Entertainment, SCHOLAR]]
 
−
|-
 
−
|T-273||[[Datt Japan]]
 
−
|-
 
−
|T-278||[[MediaWorks]]
 
−
|-
 
−
|T-279||[[Kadokawa Shoten]]
 
−
|-
 
−
|T-280||[[Elf]]
 
−
|-
 
−
|T-282||[[Tomy]]
 
−
|-
 
−
|T-289||[[KSS]]/[[media muse, OPEN SESAME]]
 
−
|-
 
−
|T-290||[[MYCOM]] (Mainichi Communications)
 
−
|-
 
−
|T-291||[[Warashi]]
 
−
|-
 
−
|T-292||[[Metro]]
 
−
|-
 
−
|T-293||[[SAI-MATE]]
 
−
|-
 
−
|T-294||[[Kokopeli Digital Studios]]
 
−
|-
 
−
|T-296||[[BMG Victor]]/[[Planning Office WADA]] (pow)
 
−
|-
 
−
|T-297||[[Telstar]]
 
−
|-
 
−
|T-300||[[WARP]]
 
−
|-
 
−
|T-301||
 
−
|-
 
−
|T-302||
 
−
|-
 
−
|T-303||[[Masudaya]]
 
−
|-
 
−
|T-304||
 
−
|-
 
−
|T-305||
 
−
|-
 
−
|T-306||[[SoftOffice]]
 
−
|-
 
−
|T-307||[[Empire Interactive]]
 
−
|-
 
−
|T-308||[[Sada Soft]] (Genki)
 
−
|-
 
−
|T-309||[[ENTERTAINMENT SOFTWARE PUBLISHING]] (ESP), [[NEVER LAND]]/[[TAITO]]
 
−
|-
 
−
|T-310||[[Shar Rock]]
 
−
|-
 
−
|T-311||[[Jaleco]], [[Natsume]]
 
−
|-
 
−
|T-312||[[NEXUS INTERACT]]/[[DaZZ, ISCO, Digital weare]]
 
−
|-
 
−
|T-313||[[Aplix]]
 
−
|-
 
−
|T-314||[[Omiya Soft]]
 
−
|-
 
−
|T-315||[[Victor JVC]]
 
−
|-
 
−
|T-316||[[Zoom]]
 
−
|-
 
−
|T-317||
 
−
|-
 
−
|T-318||
 
−
|-
 
−
|T-319||
 
−
|-
 
−
|T-320||
 
−
|-
 
−
|T-321||[[Ten]]
 
−
|-
 
−
|T-322||[[FUJITSU]]/[[Digital weare]]
 
−
|-
 
−
|T-323||
 
−
|-
 
−
|T-324||
 
−
|-
 
−
|T-325||[[TGL]] (TECHNICAL GROUP LABORATORY)
 
−
|-
 
−
|T-326||[[RED]]/[[SIMS]]
 
−
|-
 
−
|T-327||
 
−
|-
 
−
|T-328||[[Waka Manufacturing]]
 
−
|-
 
−
|T-329||[[Treasure]]/[[ESP]] (appears to only have been used for the [[Sega Saturn]] release of ''[[Radiant Silvergun]]'', with ''[[Ikaruga]]'' and ''[[Bangai-O]]'' being given ESP numbers despite being Treasure/ESP)
 
−
|-
 
−
|T-330||[[Tokuma Shoten Intermedia]]
 
−
|-
 
−
|T-331||[[Camelot]] <!-- is this Camelot Software Planning? - andlabs -->
 
−
|-
 
−
|T-332||
 
−
|-
 
−
|T-333||
 
−
|-
 
−
|T-334||
 
−
|-
 
−
|T-335||
 
−
|-
 
−
|T-336||
 
−
|-
 
−
|T-337||
 
−
|-
 
−
|T-338||
 
−
|-
 
−
|T-339||[[ENTERTAINMENT SOFTWARE PUBLISHING]] (ESP), [[STING]]
 
−
|-
 
−
|T-340||[[Chunsoft]]
 
−
|-
 
−
|T-341||[[Aki]]
 
−
|-
 
−
|T-342||[[From Software]]
 
−
|-
 
−
|T-343||
 
−
|-
 
−
|T-344||
 
−
|-
 
−
|T-345||
 
−
|-
 
−
|T-346||[[Daiki]]
 
−
|-
 
−
|T-347||
 
−
|-
 
−
|T-348||[[Aspect]]
 
−
|-
 
−
|T-349||
 
−
|-
 
−
|T-350||[[MiCROViSion]]
 
−
|-
 
−
|T-351||[[Gainax]]
 
−
|-
 
−
|T-352||
 
−
|-
 
−
|T-353||
 
−
|-
 
−
|T-354||[[FortyFive]] (45XLV)
 
−
|-
 
−
|T-355||[[Enix]]
 
−
|-
 
−
|T-356||[[Ray]]
 
−
|-
 
−
|T-357||[[TONKINHOUSE]]
 
−
|-
 
−
|T-358||
 
−
|-
 
−
|T-359||
 
−
|-
 
−
|T-360||[[OUTRIGGER]]/[[Infini Entertainment Technology]]/[[Sierra]]
 
−
|-
 
−
|T-361||[[BANDAI VISUAL]], [[B-factory]]
 
−
|-
 
−
|T-362||[[Lay-up]]
 
−
|-
 
−
|T-363||[[AXELA]]/[[BREAK]]
 
−
|-
 
−
|T-364||[[WorkJam]] (DIGITAL TOKYO, PLANPLAN)
 
−
|-
 
−
|T-365||[[Nsyscom]] > [[Syscom Entertainment]]
 
−
|-
 
−
|T-366||
 
−
|-
 
−
|T-367||[[Full On Games]]
 
−
|-
 
−
|T-368||[[Eidos]]
 
−
|-
 
−
|T-369||[[UEP-System]]
 
−
|-
 
−
|T-370||[[Shouei System]] > [[Xuse]]
 
−
|-
 
−
|T-371||[[GMF]]/[[Falcom]]
 
−
|-
 
−
|T-372||
 
−
|-
 
−
|T-373||[[ADK]]/[[SNK]]
 
−
|-
 
−
|T-374||[[SOFTSTAR ENTERTAINMENT]]
 
−
|-
 
−
|T-375||[[Nexton]]
 
−
|-
 
−
|T-376||[[Denshi Media Services]]
 
−
|-
 
−
|T-377||
 
−
|-
 
−
|T-378||
 
−
|-
 
−
|T-379||[[Takuyo]]
 
−
|-
 
−
|T-380||[[Starlight Marry]]
 
−
|-
 
−
|T-381||[[CRYSTAL VISION]]/[[Scoop]]
 
−
|-
 
−
|T-382||[[K and P]]
 
−
|-
 
−
|T-383||[[AquaPlus]]
 
−
|-
 
−
|T-384||[[Media Gallop]]/[[K and P]]
 
−
|-
 
−
|T-385||[[Culture Brain]]
 
−
|-
 
−
|T-386||[[LOCUS]]/[[SOLITON SOFTWARE]]
 
−
|-
 
−
|T-387||[[Entertainment Software Publishing]] (ESP)
 
−
|-
 
−
|T-388||[[NEC Home Electronics]]
 
−
|-
 
−
|T-389||
 
−
|-
 
−
|T-390||[[Pulse Interactive]]
 
−
|-
 
−
|T-391||[[Random House]]
 
−
|-
 
−
|T-392||
 
−
|-
 
−
|T-393||
 
−
|-
 
−
|T-394||[[DigiToys]]/[[VIVARIUM]]
 
−
|-
 
−
|T-395||[[Mebius]]
 
−
|-
 
−
|T-396||[[Panther Software]]
 
−
|-
 
−
|T-397||[[Hitachi Media Force]]
 
−
|-
 
−
|T-398||[[Net Village]] > [[Gamevillage]]/[[C's ware]]
 
−
|-
 
−
|T-399||
 
−
|-
 
−
|T-400||[[Noisia]]
 
−
|-
 
−
|T-401||[[Shangri-La]]
 
−
|-
 
−
|T-402||[[Crave]]
 
−
|-
 
−
|T-403||[[Metro3D]]
 
−
|-
 
−
|T-404||[[Majesco]]
 
−
|-
 
−
|T-405||[[Take 2 Interactive]]
 
−
|-
 
−
|T-406||[[Hasbro Interactive]]
 
−
|-
 
−
|T-407||[[Rage Software PLC|Rage Software]]
 
−
|-
 
−
|T-408||[[Marvelous Entertainment]]
 
−
|-
 
−
|T-409||[[Bottom Up]] > [[Softmax]]
 
−
|-
 
−
|T-410||[[Daikoku Denki]]/[[Falcon]]
 
−
|-
 
−
|T-411||[[Sunrise Interactive]]
 
−
|-
 
−
|T-412||[[Bimboosoft]]
 
−
|-
 
−
|T-413||[[UFO]]
 
−
|-
 
−
|T-414||[[Mattel]]
 
−
|-
 
−
|T-415||[[Caramelpot]]
 
−
|-
 
−
|T-416||[[Vatical]]
 
−
|-
 
−
|T-417||[[Ripcord]]
 
−
|-
 
−
|T-418||[[Sega Toys]]
 
−
|-
 
−
|T-419||[[Gathering of Developers]]
 
−
|-
 
−
|T-420||
 
−
|-
 
−
|T-421||[[Rockstar]]
 
−
|-
 
−
|T-422||[[Winkysoft]]
 
−
|-
 
−
|T-423||[[Cyber Front]]
 
−
|-
 
−
|T-424||[[DaZZ]]/[[Nexus Interact]]
 
−
|-
 
−
|T-425||
 
−
|-
 
−
|T-426||
 
−
|-
 
−
|T-427||
 
−
|-
 
−
|T-428||[[KOBI]]
 
−
|-
 
−
|T-429||[[Fujicom]]
 
−
|-
 
−
|T-430||
 
−
|-
 
−
|T-431||
 
−
|-
 
−
|T-432||
 
−
|-
 
−
|T-433||[[Real Vision]]
 
−
|-
 
−
|T-434||[[Visit]]
 
−
|-
 
−
|T-435||[[Global A Entertainment]]
 
−
|-
 
−
|T-436||
 
−
|-
 
−
|T-437||
 
−
|-
 
−
|T-438||[[Studio Wonder Effect]]
 
−
|-
 
−
|T-439||[[Media Factory]]
 
−
|-
 
−
|T-440||
 
−
|-
 
−
|T-441||[[Red]]
 
−
|-
 
−
|T-442||
 
−
|-
 
−
|T-443||[[Agetec]]
 
−
|-
 
−
|T-444||[[Abel]]
 
−
|-
 
−
|T-445||[[Softmax]]
 
−
|-
 
−
|T-446||[[ISAO]]
 
−
|-
 
−
|T-447||[[Kool Kizz Amusement Works]]
 
−
|-
 
−
|T-448||[[GeneX]]/[[Ninelives]]
 
−
|-
 
−
|T-449||[[Xicat]]
 
−
|-
 
−
|T-450||[[Swing! Entertainment]]
 
−
|-
 
−
|T-451||[[Yuke's]]/[[THQ]]
 
−
|-
 
−
|T-452||
 
−
|-
 
−
|T-453||
 
−
|-
 
−
|T-454||
 
−
|-
 
−
|T-455||[[TV Asahi]]
 
−
|-
 
−
|T-456||[[Crazy Games]]
 
 
|-
 
|-
−
|T-457||[[Atmark]]/[[Yuki Enterprise]]
+
|T-38||[[Mediagenic]]?<br>(only found in the ROM header for [[Fatman]], which was published by Sanritsu (T-44))
 
|-
 
|-
−
|T-458||[[Hackberry]]
+
|T-172||EA Sports?<br>(later EA Sports Mega Drive titles have T-172 serial numbers in their ROM headers...)
−
|-
 
−
|T-459||
 
−
|-
 
−
|T-460||[[Jaleco]]
 
−
|-
 
−
|T-461||[[Starfish]]
 
−
|-
 
−
|T-462||[[Idea Factory]]
 
−
|-
 
−
|T-463||[[Broccoli]]
 
−
|-
 
−
|T-464||
 
−
|-
 
−
|T-465||[[Princess Soft]]
 
−
|-
 
−
|T-466||[[Big Ben]]
 
−
|-
 
−
|T-467||[[G.rev]]
 
−
|-
 
−
|T-468||
 
−
|-
 
−
|T-469||[[Symbio Planning]]
 
−
|-
 
−
|T-470||
 
−
|-
 
−
|T-471||[[Alchemist]]
 
−
|-
 
−
|T-472||[[D3 Publisher]]
 
−
|-
 
−
|T-473||[[Playmore]]/[[SNK]]
 
−
|-
 
−
|T-474||[[D3 Publisher]]
 
−
|-
 
−
|T-475||[["Chara, Rainsoftware]]/[[Milksoft"]]
 
−
|-
 
−
|T-476||[[GN Software]] (Good Navigate)
 
−
|-
 
−
|T-477||[[Alfa System]]
 
−
|-
 
−
|T-478||[[Milestone Inc.]]
 
−
|-
 
−
|T-479||[[Triangle Service]]
 
 
|}
 
|}
 +
 +
==References==
 +
<references />
  
 
[[Category:Sega]]
 
[[Category:Sega]]

Latest revision as of 11:07, 6 August 2022

When Sega was producing video game hardware, the company used T-series codes to identify officially licensed third party publishers for its systems. T-series codes typically appear on the boxes and/or media of third-party Sega software, in a similar manner to how official G-series or MK-series identifers are displayed.

T-series codes came into use during the late 1980s and were issued until the mid-2000s. Prior to this there were relatively few third-party publishers and no official identification system - Sega typically published all SG-1000 and Sega Master System games (notable exceptions include Salio and various Western companies involved in SC-3000 development), however this changed by the release of the Sega Mega Drive. The first T-series codes appeared publically in 1989.

The first two (or three) digits after the T represent the publisher. Any numbers after this represent the specific release, and a letter on the end specifies a console (the latter not coming into use until the mid-90s).

Not all publishers followed these rules, most notably Electronic Arts which did not show its T-series code on Mega Drive releases.

Within games

Mega Drive ROM headers of games developed by a third party (except those that Sega contracts out, such as Nextech) usually contain a field stating the T-series code. For example, the sixteen bytes at offset $110 (hex) of game ROMs would usually look like one of 

(C)SEGA year.mon
(C)T-xx year.mon
(C)T-xxxyear.mon
(C)Txxx year.mon

Not all third party developers/publishers have followed these rules; for example, Psygnosis, Kaneko, Taito, and Treco have placed their company name in the field on several occasions.

List

T-Code Company
T-11 Taito
T-12 Capcom
T-13 Data East
T-13 Data East USA
T-14 Namco
T-14 Namco Hometek
T-15 Sunsoft
T-16 Ma-Ba
T-17 Dempa Micomsoft
T-18 Technosoft
T-20 Asmik
T-20 Asmik Ace Entertainment
T-21 ASCII
T-22 Micronet
T-23 VIC Tokai
T-24 Sammy
T-24 Treco
T-25 Nippon Computer Systems
T-26 Sigma
T-27 Toho
T-28 HOT-B
T-29 Kyugo
T-30 Video System
T-31 SNK
T-32 Wolf Team
T-33 Kaneko
T-33 Kaneko USA
T-34 DreamWorks
T-35 Seismic Software
T-36 Tecmo
T-40 Toaplan
T-41 UNIPACC
T-42 UPL
T-43 Human
T-44 Sanritsu
T-44 SIMS
T-45 Game Arts
T-46 Kodansha Research Institute
T-47 Sage's Creation
T-48 Tengen
T-48 Time Warner Interactive
T-49 Nihon Telenet
T-49 Micro World
T-50 Electronic Arts
T-51 Microcabin
T-52 SystemSoft Alpha
T-53 Riverhillsoft
T-54 Face
T-55 Nuvision Entertainment
T-56 RazorSoft
T-57 Jaleco
T-58 Visco
T-60 Victor Musical Industries
T-60 Victor Entertainment
T-60 Victor Soft
T-61 Wonder Amusement Studio
T-62 Sony Imagesoft
T-63 Toshiba EMI
T-64 Information Global Service
T-65 Tsukuda Original
T-66 Compile
T-67 Magical
T-68 CSK Research Institute
T-69 Arena Entertainment
T-70 Virgin Interactive
T-71 Nihon Bussan
T-72 Varie
T-73 Coconuts Japan
T-73 Soft Vision
T-74 PALSOFT
T-75 Pony Canyon
T-76 Koei
T-77 Takeru
T-79 U.S. Gold
T-81 Acclaim Entertainment
T-81 Acclaim Japan
T-81 Flying Edge
T-83 GameTek
T-84 Data West
T-85 PCM Complete
T-86 Absolute Entertainment
T-87 The Software Toolworks
T-87 Mindscape
T-88 Domark
T-89 Parker Brothers
T-91 Pack-In-Video
T-91 Victor Interactive Software
T-92 Polydor
T-93 Sony Electronic Publishing
T-95 Konami
T-97 Tradewest
T-97 Williams Entertainment
T-97 Midway Home Entertainment
T-99 Success
T-100 THQ
T-100 Black Pearl Software
T-101 TecMagik Entertainment
T-103 Takara
T-104 MicroProse
T-105 Shogakukan Production
T-106 Electronic Arts Victor
T-107 Electro Brain
T-109 Saddleback Graphics
T-110 Dynamix
T-111 American Laser Games
T-112 Hi-Tech Expressions
T-113 Psygnosis
T-114 T&E Soft
T-115 Core Design
T-118 Compton's NewMedia
T-119 Accolade
T-120 Codemasters
T-121 ReadySoft
T-122 HeartBeat Corporation
T-123 Gremlin Interactive
T-124 Spectrum HoloByte
T-125 Interplay
T-126 Maxis
T-127 Working Designs
T-130 Activision
T-132 Playmates Interactive Entertainment
T-133 Bandai
T-135 Capitol Disc Interactive
T-137 ASC Games
T-139 Viacom New Media
T-141 Toei Video
T-143 Hudson Soft
T-144 Atlus
T-144 Atlus West
T-145 Sony Music Entertainment Japan
T-147 Sansan
T-149 Nissho Iwai Infocom
T-150 Imadio
T-150 Imagineer
T-151 Infogrames
T-152 Davidson & Associates
T-153 Rocket Science Games
T-154 Technōs Japan
T-157 Angel
T-159 Crystal Dynamics
T-160 Sales Curve Interactive
T-161 Fox Interactive
T-162 Digital Pictures
T-164 Ocean Software
T-165 Seta
T-166 Altron
T-167 ASK Kodansha
T-168 Athena
T-169 Gakken
T-170 General Entertainment
T-174 Glams
T-176 ASCII Something Good
T-177 Ubisoft
T-178 Hitachi
T-180 BMG Japan
T-180 BMG Interactive
T-181 Obunsha
T-182 Thinking Cap
T-185 Gaga Communications
T-186 SoftBank
T-187 Pionesoft
T-187 Naxat Soft
T-188 Spike
T-188 MAXBET
T-189 KAZe
T-193 Sega Yonezawa
T-194 We Net
T-195 Datam Polystar
T-197 KID
T-198 Epoch
T-199 Ving
T-200 Yoshimoto Kogyo
T-201 NEC Interchannel
T-202 Sonnet Computer Entertainment
T-203 Game Studio
T-204 Psikyo
T-205 Media Entertainment
T-206 Banpresto
T-207 Ecseco Development
T-208 Bullet-Proof Software
T-209 Sieg
T-210 Yanoman
T-212 Oz Club
T-213 Nihon Create
T-214 Media Rings Corporation
T-215 Shoeisha
T-216 OPeNBooK
T-217 Hakuhodo
T-218 Aroma
T-219 Societa Daikanyama
T-219 Societa
T-220 Arc System Works
T-221 Climax Entertainment
T-222 Pioneer
T-223 Tokuma Shoten
T-224 I'MAX
T-226 Shogakukan
T-227 Vantan International
T-229 Titus
T-230 Lucasfilm Games
T-231 Pai
T-232 Reindeer
T-232 Ecole Software
T-233 Nayuta
T-234 Bandai Visual
T-235 Quintet
T-239 Disney Interactive
T-240 OPeNBooK9003
T-240 9003
T-241 Multisoft
T-242 Sky Think System
T-243 OCC
T-246 Increment P
T-249 King Records
T-250 Fun House
T-251 Patra
T-252 Inner Brain
T-253 Make Software
T-254 GT Interactive Software
T-255 Kodansha
T-255 Hakusensha
T-257 Clef
T-259 C-Seven
T-260 Fujitsu Parex
T-261 Xing Entertainment
T-264 Media Quest
T-267 Bethesda Softworks
T-268 Wooyoung System
T-270 Nihon System
T-271 Scholar
T-273 Datt Japan
T-278 MediaWorks
T-279 Kadokawa Shoten
T-280 Elf
T-282 Tomy
T-282 Takara Tomy
T-289 KSS
T-290 Mainichi Communications
T-291 Warashi
T-292 Metro Corporation
T-293 Sai-Mate
T-294 Kokopeli Digital Studios
T-296 Planning Office Wada
T-297 Telstar Electronic Studios
T-300 Kumon Publishing
T-300 Warp
T-303 Masudaya
T-306 Soft Office
T-307 Empire Interactive
T-308 Genki
T-308 Sada Soft
T-309 Neverland
T-310 Shar Rock
T-311 NatsumeAtari
T-311 Natsume Inc
T-312 Nexus Interact
T-313 Aplix Corporation
T-314 Omiya Soft
T-315 JVC
T-316 Zoom
T-321 TEN Kenkyuujo
T-322 Fujitsu
T-325 TGL
T-326 Red Entertainment
T-328 Waka Manufacturing
T-329 Treasure
T-330 Tokuma Shoten Intermedia
T-331 Sonic! Software Planning
T-339 Sting
T-340 Chunsoft
T-341 Syn Sophia
T-342 From Software
T-346 Daiki
T-348 Aspect
T-350 Micro Vision
T-351 Gainax
T-354 FortyFive
T-355 Enix
T-356 Ray Corporation
T-357 Tonkin House
T-360 Outrigger
T-361 B-Factory
T-362 Layup
T-363 Axela
T-364 WorkJam
T-365 Nihon Syscom
T-367 FOG
T-368 Eidos Interactive
T-369 UEP Systems
T-370 Shouei System
T-371 GMF
T-373 ADK
T-374 Softstar Entertainment
T-375 Nexton
T-376 Denshi Media Services
T-379 Takuyo
T-380 Starlight Marry
T-381 Crystal Vision
T-382 Kamata and Partners
T-383 AquaPlus
T-384 Media Gallop
T-385 Culture Brain
T-386 Locus
T-387 Entertainment Software Publishing
T-388 NEC Home Electronics
T-390 Pulse Interactive
T-391 Random House
T-394 Vivarium
T-395 Studio Mebius
T-396 Panther Software
T-397 TBS
T-398 NetVillage
T-400 Noisia
T-400 Vision
T-401 Shangri-La
T-402 Crave Entertainment
T-403 Metro3D
T-404 Majesco Entertainment
T-405 Take-Two Interactive
T-406 Hasbro Interactive
T-407 Rage Games
T-408 Marvelous Entertainment
T-409 Bottom Up
T-410 Daikoku Denki
T-411 Sunrise Interactive
T-412 Bimboosoft
T-413 U.F.O. Interactive
T-414 Mattel Interactive
T-415 CaramelPot
T-416 Vatical Entertainment
T-417 Ripcord Games
T-418 Sega Toys
T-419 Gathering of Developers
T-421 Rockstar Games
T-422 Winkysoft
T-423 CyberFront
T-424 DaZZ
T-428 Kobi
T-429 Fujicom
T-433 Real Vision
T-434 Visit
T-435 Global A Entertainment
T-438 Studio Wonder Effect
T-439 Media Factory
T-443 Agetec
T-444 Abel
T-445 Softmax
T-446 Isao
T-447 Kool Kizz
T-448 GeneX
T-449 Xicat Interactive
T-450 Swing! Entertainment
T-451 Yuke's
T-454 AAA Game
T-455 TV Asahi
T-456 Crazy Games
T-457 Atmark
T-458 Hackberry
T-460 AIA
T-461 Starfish-SD
T-462 Idea Factory
T-463 Broccoli
T-465 PrincessSoft
T-466 Bigben Interactive
T-467 G.rev
T-469 Symbio Planning
T-471 Alchemist
T-474 D3Publisher
T-475 Rain Software
T-476 Good Navigate
T-477 Alfa System
T-478 Milestone
T-479 Triangle Service

Others

T-Code Publisher (Label/Team/Alias)
T-38 Mediagenic?
(only found in the ROM header for Fatman, which was published by Sanritsu (T-44))
T-172 EA Sports?
(later EA Sports Mega Drive titles have T-172 serial numbers in their ROM headers...)

References

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