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Clockwerx title.png
Publisher: Tokuma Shoten
Publisher(s) of original games: Spectrum Holobyte
Developer(s) of original games: Callisto Corporation
System(s): Sega Saturn
Original system(s): PC
Sound driver: SCSP/CD-DA (11 tracks)
Genre: Puzzle

Number of players: 1-2
Release Date RRP Code
Sega Saturn
¥5,800 T-22302G

ClockWerx (クロックワークス) is a puzzle game originally released for Windows PCs and Macintosh computers, before being ported to the Sega Saturn. It is presented by Alexey Pajitnov, the creator of Tetris, but he has nothing to do with this game's production.

This version was never released outside Japan and introduces clay animations.

Production credits

Callisto Corporation
  • Original Design and Mac Programming: Seth Lipkin, Darrel Myers, Robert Harris, Mike Barta
  • Original Artwork: Darrel Myers, Ann Harris
  • Music: Peter Drescher
Spectrum HoloByte,Inc
  • Original Production Team
    • Producer: Gareth Davis
    • Artist: Karen Ffinch, Paul Wood
    • Sound Manager: Paul Mogg
Alexey Pajitnov
  • アクシズ アート アミューズ
    • Programming: 大島 春哉, 池田 泰博, 米田 信次
    • 電脳美術: 芝田 利一
    • 電視技術: 渥美 徳弘
    • 電脳音響: MC.Noric
  • アニメーションスタッフルーム
    • スーパーバイザー: 藤井 晃
    • プロデューサー: 宮本 太郎
    • ディレクター: 山本 乃利子
    • AD: 斉藤 浩史
    • PM: 櫻井 義久
    • 撮影: 中島 史郎
    • モーションコントロール: 下田 一貴
    • アシスタント: 杉田 完
    • 線画台撮影: 松嵜 泰三, 太田 祐希子
    • CG: 戸村 美加
    • アニメーター: 森 まさあき
    • アシスタント: 子熊 温子
    • 美術: 今野 三郎 (美術共栄社)
    • 照明: 梅木 郁典
    • 音楽: 大森 俊之 (PH Sound)
株式会社 徳間書店
    • 製作: 福士 健一
    • 企画: 室井 實
    • プロデュース: 盛岡 祐史
    • 広報: 伊藤 純子
    • 日本語吹き替え: 色川 大地朗

©1996 徳間書店 Game ©1995 Callisto Corporation. All rights reserved. (Game ©1995 Callisto Corporation. All rights reserved.)
ClockWerx is a trademark of Spectrum HoloByte. (ClockWerx is a trademark of Spectrum HoloByte.)
Tetris ©1987 V/O Electtronorgtechnica (Elorg). All rights reserved. (Tetris ©1987 V/O Electtronorgtechnica (Elorg). All rights reserved.)
Spectrum HoloByte is a registered trademark of Spectrum HoloByte,inc. (Spectrum HoloByte is a registered trademark of Spectrum HoloByte,inc.)
All other trademark are the property of their respective holders. (All other trademark are the property of their respective holders.)

Source: In-game creditsMedia:ClockWerx_Saturn_JP_SSEnding.pdf[1]

Track list

1. [data track] ({{{time}}})

2. Track02 (03:06)

3. Track03 (03:18)

4. Track04 (03:16)

5. Track05 (03:08)

6. Track06 (03:11)

7. Track07 (01:02)

8. Track08 (01:18)

9. Track09 (01:19)

10. Track10 (02:01)

11. Track11 (01:09)

12. Track12 (01:30)
Running time: 24:18

Magazine articles

Main article: ClockWerx/Magazine articles.

Promotional material


SSM JP 19960614 1996-09.pdf

Print advert in
Sega Saturn Magazine (JP) #23: "1996-09 (1996-06-14)" (1996-05-24)
also published in:

SSM JP 19960712 1996-11.pdf

Print advert in
Sega Saturn Magazine (JP) #25: "1996-11 (1996-07-12)" (1996-06-28)

Physical scans

Sega Retro Average 
Publication Score Source
43 №1996-11, p231[3]
50 №, p14Media:SnGwSISDRZK Book JP.pdf[4]
Sega Saturn
Based on
2 reviews

Saturn, JP
ClockWerx Saturn JP Box Back.jpgClockWerx Saturn JP Box Front.jpg
ClockWerx Saturn JP Disc.jpg


  1. File:ClockWerx_Saturn_JP_SSEnding.pdf
  2. File:SSM_JP_19960628_1996-10.pdf, page 12
  3. File:SSM_JP_19960712_1996-11.pdf, page 233
  4. File:SnGwSISDRZK Book JP.pdf, page 16