Onamazu
Onamazu: Ōnamazu Ōnamazu is a giant catfish that lives under the Japanese islands and is known for causing earthquakes. Or maybe he warns people about upcomin...

Game overview
Ōnamazu Ōnamazu is a giant catfish that lives under the Japanese islands and is known for causing earthquakes. Or maybe he warns people about upcoming earthquakes? It’s a bit of both, really. Controls Arrows or WASD to move Space to attack/thrash Mechanics Eating fish fills the energy bar. To do so, you must hit the fish’s body with Onamazu’s head. Otherwise
Game facts
- Release date
- 2025-09-13
- Platforms
- Web browser
- Genres
- Arcade
- Developer
- Mezriss
- Publisher
- js13kGames
- Price
- Free
- Play style
- 13KB HTML5 game jam entry
Orbit analysis
Onamazu is cataloged under Arcade. A play destination is listed at play.js13kgames.com. Orbit distinguishes listed metadata from live verification: 13KB HTML5 game jam entry, multiplayer not confirmed, and listed as free.
Similar-game context
Onamazu is aligned with 3 related web game entries across 8 like-for-like catalog signals.