Klax (Namco)

From Sega Retro

This is for the Japanese version of the Mega Drive port. For all other versions, see Klax.

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KlaxJP MD title.png
Publisher: Namco
Publisher(s) of original games: Atari Games
Developer(s) of original games: Atari Games
System(s): Sega Mega Drive
Original system(s): Arcade Boards
Genre: Puzzle, Action (JP MD box says both, Sega of Japan master list for MD version only says Puzzle)

Number of players: 1-2
Release Date RRP Code
Sega Mega Drive
¥4,900 T-14063

Namco produced the first port of Klax (クラックス) to the Sega Mega Drive in Japan. Though this version came first, Tengen decided not to bring it overseas, instead producing their own port.

Namco's version of the game has competitive multiplayer. Tengen's version, instead, is more configurable.

Magazine articles

Main article: Klax (Namco)/Magazine articles.

Physical scans

Sega Retro Average 
Publication Score Source
58 №, p85[1]
65 №109, p104[2]
63 №109, [1]
85 №2, p28[3]
90 №53, p24/25[4]
Sega Mega Drive
Based on
6 reviews

Mega Drive, JP
Klax MD JP Box.jpg
KLAX MD JP CartTop.jpg
Klax md jp cart.jpg
Klax md jp manual.pdf

Technical information

ROM dump status

System Hash Size Build Date Source Comments
Sega Mega Drive
CRC32 1afcc1da
MD5 96ad3cb020f4389a5f2a36884e7344c4
SHA-1 f084f7a3851161523ab7e9cffb2f729563c17643
256kB 1990-06 Cartridge (JP)


  1. File:SSM_JP_19950901_1995-09.pdf, page 87
  2. File:CVG UK 109.pdf, page 104
  3. File:Raze UK 02.pdf, page 28
  4. File:Zzap IT 53.pdf, page 24