Bloxeed (c) 1989 Sega.
A puzzle game. Gameplay is quite similar to 'Tetris' but with some added twists.

>>> TECHNICAL DETAILS
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Sega System C hardware
Main CPU : 68000 (@ 8.948862 Mhz)
Sound Chips : YM3438 (@ 7.670453 Mhz), SN76496 (@ 3.579545 Mhz)
Screen orientation : Horizontal
Video resolution : 320 x 224 pixels
Screen refresh : 60.00 Hz
Palette colors : 2048
Players : 2
Control : 8-way joystick
Buttons : 1
Another version runs on the Sega System 18 hardware.

>>> TRIVIA
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Even if the titlescreen says '1989', the game was released in January 1990 in Japan.
Mark Speath holds the official record for this game with 104,370 points on June 2, 2002.

>>> GAME UPDATES
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The US version is slightly different, it has the 'Winners Don't Use Drugs' screen.
The Sega System 18 version (released in 1990) has :
* Special effects on the title screen.
* An extra button to rotate counter-clockwise.
* Bug fixes (Level 2's background).

>>> GAME PORTS TO OTHER SYSTEMS
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* Consoles :
Sony PlayStation 2 (2006, 'Sega Ages 2500 Series Vol.28 : Tetris Collection')

>>> OTHER GAME RESOURCES
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Game's rom.
Machine's picture.