A one-handed autofire arena shooter inspired by Robert Fearon's SYNSO2: Squid Harder.
Comes with five game modes, including Score Attack, Survival, Time Attack Speed, Time Attack Shooting and a unique Tony Hart-inspired Draw mode. Up to 4 player multiplayer (single computer), either co-operative or competitive depending on the game mode.
Note: the above files rely on a couple of non-free assets. If you would rather play an entirely free game, the following package has those assets replaced with free versions. For this version the art/assets are licensed under the Creative Commons Attribution-ShareAlike license.