In this platformer, you control a piece of tofu named Hamachi, who unexpectedly falls into the possession of Demon Queen Deity, an evil fiend who intends to use him as a vessel to conquer the world through mass murder.
features:
- Play as the villain: Choose to kill, spare, or ignore every civilian.
- Three distinct routes: Pacifist, Neutral, and Genocide, each with its own ending.
- Defeat or pacify demonic bosses, pacified bosses will join your side.
- Journey through 8 visually distinct worlds built with original pixel art.
- Chainsaw power-up, The Psycho Saw, grants temporary invincibility and destroys any being you touch.
- Collect souls from dead civilians or sushi dropped by Penelope Pom Pom Pink to restore health.
- Your crimes will not go unnoticed by the authorities.
TITLE: Hamachi the Psychotic Killer
GENRE: Action, Indie
DEVELOPER: gavinoriley
PUBLISHER: gavinoriley
RELEASE DATE: Feb 27, 2026
PLATFORM: Windows/Mac
HAMACHI: The Psychotic Killer Definitive Version
While the full game is complete and publicly available, I continue to experiment, polish, and develop new content beyond the public release. While I won't name a release date just yet, if you're curious to see some of what I'm doing, check out the DEV ROOM page as I sometimes post on there.
