FISH OS
Launches 10 November 2026 · PC
Story
FISH.OS is an idle fishing game built inside a fake operating system from 1997. You fish, sell the catch, upgrade your gear, buy boats that keep working while you're gone, and reset everything for a multiplier once the numbers get silly. It also comes with a card game, a paint program and a music player, since that's what used to ship on the disc. Every system is a window. Open the fishing app and drag it wherever you want, keep the market running next to it, and leave the aquarium bubbling away in the back. You can arrange the desktop however you like or minimize the whole operating system, and the fish keep biting either way. Every fish gets a pixel-art entry in the Fishpedia, sorted by rarity and by the zone it lives in. Common fish fill the log quickly and the rare tiers take a long time. You can fuse duplicates into hybrids, show off your best catches in an aquarium you decorate yourself, and push the completion percentage up a decimal at a time. Buy boats, send them out on expeditions and let the fish in your tank earn for you. When you come back the next day there's a full balance waiting and a report on everything the fleet brought in overnight. Offline earnings are...
Gameplay
FISH.OS is an idle fishing game built inside a fake operating system from 1997. You fish, sell the catch, upgrade your gear, buy boats that keep working while you're gone, and reset everything for a multiplier once the numbers get silly. It also comes with a card game, a paint program and a music player, since that's what used to ship on the disc. Every system is a window. Open the fishing app and drag it wherever you want, keep the market running next to it, and leave the aquarium bubbling away in the back. You can arrange the desktop however you like or minimize the whole operating system, and the fish keep biting either way. Every fish gets a pixel-art entry in the Fishpedia, sorted by rarity and by the zone it lives in. Common fish fill the log quickly and the rare tiers take a long time. You can fuse duplicates into hybrids, show off your best catches in an aquarium you decorate yourself, and push the completion percentage up a decimal at a time. Buy boats, send them out on expeditions and let the fish in your tank earn for you. When you come back the next day there's a full balance waiting and a report on everything the fleet brought in overnight. Offline earnings are there from your first boat, and you never pay extra for them. Compact mode docks FISH.OS along the bottom of your screen, right above the taskbar, with the water, your boats and the catch dial. Fish...
Features
- Single-player
- Multi-player
- Co-op
- Online Co-op
- Steam Achievements
- Steam Workshop
- Color Alternatives
- Custom Volume Controls
Release details
FISH OS is developed by ORCO Games. FISH OS launches on Tuesday, 10 November 2026 on PC. This date comes from Steam and was last checked on 3 November 2026.
Frequently asked questions
When does FISH OS release?
FISH OS launches on 10 November 2026.
Which platforms is FISH OS on?
FISH OS is on PC.
Who makes FISH OS?
FISH OS is developed by ORCO Games.