Columns III - Revenge of Columns [Mega-Play] (c) 1993 Sega.
Align 3 or more items of the same colour vertically, horizontally or diagonally.

>>> TECHNICAL DETAILS
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Main CPU : 68000 (@ 7.670442 Mhz), (2x) Z80 (@ 3.57954 Mhz)
Sound Chips : YM3438 (@ 7.670442 Mhz), (2x) SN76496 (@ 3.57954 Mhz)
Screen orientation : Horizontal
Video resolution : 320 x 224 pixels
Screen refresh : 60.00 Hz
Palette colors : 96
Players : 2
Control : 8-way Joystick
Buttons : 3
=> [A] Rotate, [B] Crush Bar Attack, [C] Rotate

>>> TRIVIA
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This game is known in Japan as 'Columns III - Taiketsu! Columns World' (translates from Japanese as 'Columns III - Showdown! Columns World').
Official Sega Mega-Play releases list :
[Mega-Play 01] Sonic The Hedgehog
[Mega-Play 02] Golden Axe II
[Mega-Play 03] Grand Slam - The Tennis Tournament
[Mega-Play 04] Tecmo World Cup
[Mega-Play 05] Streets Of Rage 2
[Mega-Play 06] Bio-Hazard Battle
[Mega-Play 07] Sonic The Hedgehog 2
[Mega-Play 08] ???
[Mega-Play 09] Shinobi III - Return of the Ninja Master
[Mega-Play 10] ???
[Mega-Play 11] Mazin Wars
[Mega-Play ??] Columns III - Revenge of Columns
[Mega-Play ??] Gunstar Heroes

>>> GAME UPDATES
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The US version is completely different :
* 'Winners Don't Use Drugs' screen added.
* 'Recycle It, Don't Trash It!' screen added.
* Sega Logo screen is shown during attract mode.
* More dip-switches.
- SCORING -
Your score will increase every time you clear a set of jewels.

>>> GAME SERIES
---------------
1. Columns (1990)
2. Columns II - The Voyage Through Time (1990)
3. Columns III - Revenge of Columns (1993)
4. Stack Columns (1994)
5. Super Columns (1995, Sega Game Gear)
6. Columns '97 (1997)
7. Hanagumi Taisen Columns - Sakura Wars (1998)
8. Hanagumi Taisen Columns 2 (2000, Sega Dreamcast)
9. Columns Crown (2002, Nintendo Game Boy Advance)

>>> GAME PORTS TO OTHER SYSTEMS
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* Consoles :
Sega Mega Drive (1994)

>>> OTHER GAME RESOURCES
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Game's rom.