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Ossan Hamster

Also known as Ossan Hamster, oh, ossan hamster

A fast-paced action clicker where constant input is key. Fight endless waves of enemies, manage energy, and unleash powerful skills to survive the chaos. This is not an idle game — every second matters.

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Last update

22 Jun 2026

Players now

0

Latest update

AnnouncementPublished 15d ago

v1.4🛠️ Patch 1.4 – General Skills, Upgrade Rework & Cannon Control

Hey! Update 1.4 is here — this patch brings a major upgrade system expansion, new general skills, manual cannon control, new quality-of-life options, and several gameplay fixes. Thanks again for playing and sharing feed…

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Update history

Browse past updates and patch notes for this game.

8 updates

Gallery

In-game media

Achievements

Community progression

Top picks from 25 Steam achievements, sorted by player unlock rates.

First StepsDefeat 100 enemies.77.7%
You Had One JobHidden61.1%
UntouchableSurvive 2 minutes without taking damage.50.0%
Getting the Hang of ItUse skills 20 times.50.0%
Perfect RunComplete a run without taking damage.38.8%
CollectorCollect 50 loot items.38.8%