Isles of Sea and Sky is a sokoban block puzzle game with Zelda-like elements and a stunning soundtrack. With a lot of effort, this game is able to be run on small-arm linux handhelds using a Game Maker compatibility layer called GMLoader-Next and some patches to reduce memory and cpu usage.
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Isles of Sea and Sky Launch Trailer 
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Add your game data from your Steam or Itch.io installation (v1.02a) to ports/iosas/gamedata. First-time run will handle sorting data.
| Button | Action |
|---|---|
| START | Menus |
| SELECT | Map |
| D-PAD / Analog | Move |
| L1 | Undo |
| R1 | Reset room |
The xdelta patch enables gamedata/pm-config.ini, which has some performance options. Testing found that FrameSkip=40 works pretty well for the H700 chip. For no stuttering at all, you can set IdolSFX=0 to turn off the special effect that bogs down the cpu.
Steam saves are located at \AppData\Local\IslesOfSeaAndSky on Windows. Copy save_v1_000.dat or similar to ports/iosas/gamedata to use it. To export save data to your Steam or Itch.io install, do the reverse.
Cicada Games -- The game and press kit materials used to create the splash screens
Cyril "kotzebuedog" Delétré -- The phenomenal audio patch that makes this port possible
nate -- Custom loading splash engine
JohnnyOnFlame -- GMLoaderNext
Testers and Devs from the PortMaster Discord