Steam

Hamstr Protocol

Also known as Hamstr Protocol, hamstr protocol, hamstr-protocol

From a single hamster wheel to a full bio-mining operation — set up rigs, manage heat, feed your runners, and turn HAM into real in-game profit. Expand your setup, optimize your operation, and never let the hardware overheat.

Last update

7 Aug 2026

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Latest update

AnnouncementPublished 11d ago

Demo Update: Russian and Simplified Chinese Now Available

Here is today's demo update: Added Russian language support • Added Simplified Chinese language support • Added a new Language option in game Thank you to everyone who has been playing the demo and providing feedback. M…

1 changeUI/audioRead announcement

Update history

Browse past updates and patch notes for this game.

20 updates

July 2026
Demo Update – Visual Refresh & ImprovementsHello everyone! Here is today's demo update: Reworked the house interior with improved details and color adjustments Raised the ceiling height to make jumping over PC cases easier Completely redesigned the Titan GPU mod…4 changesGameplayPerformance16d ago
Demo Update: Bug Fixes and LightingHello everyone! Here is today's demo update: Fixed items not coming back from your second backpack slot after using the trash Hamsters can no longer be thrown in the trash Fixed the hamster stats card getting stuck on s…5 changesFixGameplay19d ago
🎉 Hamstr Protocol Reaches 1,000 Wishlists!We've officially reached 1,000 wishlists on Steam! Just two weeks ago we were at around 100 wishlists, so seeing so many people discover Hamstr Protocol has been absolutely incredible. A huge thank you to everyone who:…Announcement3 changesServerGameplay20d ago
Demo update: Controller supportHello everyone! Here is today's demo update: Added partial controller support, including Steam Deck support Added more decorations around the map Improved UI hover and click sound effects Made the UI feel more responsiv…5 changesFixCompatibility22d ago
Demo UpdateHello everyone! Here is the new demo update: Added an Unstuck Player button in the pause menu Reduced player energy drain while cranking by 50% Fixed a physics issue that could cause food items to gain excessive speed w…5 changesFixGameplay24d ago
Demo UpdateHello everyone! Here is the new demo update: Fixed noisy, grainy shadows on Medium graphics settings Sharper shadow edges on High graphics settings Economy balance Thank you so much for 400 wishlists! Sebastian5 changesFixGameplay29d ago
Demo UpdateHello everyone! Quick update: we now have a Discord server! You can join it straight from the game: New Discord button in the main menu and the pause menu One click takes you to the community server Come share feedback,…3 changesServerUI/audio14 Jul 2026
Demo UpdateHello everyone! Here is the new update: Global Leaderboard is here! The demo now has a global HAM leaderboard, right on your in-game phone: New Rankings app on the phone: top miners worldwide, plus a Friends tab Your al…3 changesServerUI/audio13 Jul 2026
Demo UpdateHello everyone! Here is the new update: Chubby Chow now holds 4 feed charges instead of 2 Added a new food item: Chubby Chow Large, a bigger pack with 10 feed charges Rebalanced food energy: each feed now restores 30% e…3 changesServerUI/audio12 Jul 2026
Demo UpdateHello everyone! Here is the new update: New: Hamster Accesories A fresh pack of unlockable hats for your hamsters Earn them by playing: mining HAM, catching escaped hamsters, trading at the right price and more Equip th…3 changesServerUI/audio10 Jul 2026
Demo UpdateHello everyone! Here is the new update: Fixed major ultrawide screen issues - the game should now display properly on ultrawide monitors Fixed several inventory bugs Performance improvements Various other minor fixes Mo…5 changesGameplayBalance10 Jul 2026

Older updates

Gallery

Demo Update: Russian and Simplified Chinese Now Available

July 2026