Hamster Combat, described in its game details as Hamster Clicker, is a casual, free-to-play clicker focused on collecting hamsters. Clicking is a straightforward activity within that premise, and the game also awards achievements for clicking. Leaderboards add a competitive measure by tracking collectors with the most hamsters, giving the collection a goal beyond simply expanding it.
Timed chest drops shape how players build that collection: common chests arrive every three hours, while rare chests arrive every eighteen. Most can be opened for free; players can also sell chests on the community market or trade them. The rarest chest requires keys, which are available through the items shop or by buying DLC. Players can trade up to nine items of the same rarity for one item of increased rarity, and collected hamsters can serve as in-game models.
The listed format is single-player, alongside systems that connect collecting to Steam's wider community, including trading, the community market, and leaderboards. Hamster Combat's distinctive design ties timed rewards and item rarity to a collection that can be displayed in-game.