Petris for Gameboy Color / Game Gear / Analogue Pocket

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Petris - A puzzle game of shapely pets for the Game Boy Color (CGB) / Sega Game Gear / Analogue Pocket

Build your favorite pets in all shapes and sizes, keep ahead of dropping pieces and make it to the next level.

• Physical Catridges of Game Boy Color version available at: https://ferrantecrafts.com/products/petris

There are several game play types to choose from:

• Long Pet - Complete progressively longer pets to reach the next level
• Tails Cleanup - Clear all tails off the screen per level
• Crunch-up - Keep ahead as the screen crunches upward and new pets appear
• Level Up - Classic level-up style
• Marathon - For the long distance player

Difficulty levels for all players, from relaxing to full-tilt speed:

• Easy / Normal / Hard / Expert / Beast

On real hardware and emulators you can play 2-Player link vs mode for any level (Crunch-up recommended).

* 2-Player link vs not yet available for Game Gear version.

* Web-based emulator version uses the Game Boy Color ROM

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You can download the ROM file, run the Gameboy (or Game Gear) emulator in your browser or pick up a physical cartridge for the Game Boy Color version at Ferrante Crafts.

Note: If the downloadable ROM is run in an emulator instead of on hardware, the intro clouds may flicker unless frame-to-frame / temporal blending is turned on. 

• Click to start and click again to set focus

Keyboard:

• Start = Enter key
• L/R/D = Arrow keys 
• Rotate: = Z,  X

USB/Bluetooth/etc Gamepad:

(This is a modified JS Game Boy emulator with gamepad support)

• Chrome / Firefox Mapping ( when "standard" gamepad available):
• Rotate = A, B
• Show Pet Length = Select button (Up button in Game Gear version)
• L/R/D = Use D-Pad
• Start = Start button

• Default mapping otherwise :
• Rotate = First two buttons  
• Start and Select = Second two buttons

Source:

https://github.com/bbbbbr/Petris

Music Credits

• Krümel (crumb) / GB Studio Community Assets - https://github.com/DeerTears/GB-Studio-Community-Assets (modified a lot)

Tools and Resources Used

• GBDK 2020 - https://github.com/Zal0/gbdk-2020/ (originally GBDK 2.95, later upgraded)
• BGB - https://bgb.bircd.org/
• Emulicious - https://emulicious.net/
• Game Boy Tile Designer - http://www.devrs.com/gb/hmgd/gbtd.html
• GIMP TileMap GB - https://github.com/bbbbbr/gimp-tilemap
• Game Boy Map Builder - http://www.devrs.com/gb/hmgd/gbmb.html
• GBT Player (modified to work with compression) - https://github.com/AntonioND/gbt-player
• A little code from ZGB - https://github.com/Zal0/ZGB
• Some GBDK patches by Toxa - https://github.com/untoxa
• UnaPACK aPack decompression by Toxa - https://github.com/untoxa
• apultra aPack compression - https://github.com/emmanuel-marty/apultra]

Analogue Pocket .pocket ROM:

Turn on "Frame Blending" in the Pocket's options menu, this simulates a Game Boy's LCD and changes the clouds on the intro screen from flickering to be semi-transparent like they should be.

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100% of donations go to support the itch.io platform. (details)