Pythagoras no Nazo - Riddle of Pythagoras (c) 1986 Sega.

>>> TECHNICAL DETAILS
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Sega System E hardware
Main CPU : Z80 (@ 5.3693 Mhz)
Sound Chips : (2x) SN76496 (@ 4 Mhz)
Screen orientation : Vertical
Video resolution : 192 x 256 pixels
Screen refresh : 60.00 Hz
Palette colors : 64
Players : 2
Control : dial
Buttons : 2

>>> TRIVIA
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Developed by Nasco.

>>> DESIGNERS / PROGRAMMERS / STAFF
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Original story by : Teruo Ohhira
Produced by Exa Planning.
Producer : Mr. Large Coin
Game designers : Hiroshi Ohta, Tokuhiro Takemori
Development adviser : Kenji Nakajima
Character designers : Buta-Kun, Tomoko Sugoh, Tetsushi Nakamura, Keisuke Abe
System supervisor : Akimichi Oda
Sound composers : Jiroh Itaya, Victory Ozawa
Programmers : Mamoru Shiratani, Yuuki <3 Miku

>>> OTHER GAME RESOURCES
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Game's rom.