Sullen

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Sullen is a fast-paced, challenging platformer set inside of a circle. Your ultimate goal is to work through all of the levels and defeat the sullen eye that relentlessly attacks you. You assume control of a small pentagon and must dodge, jump, and shoot your way to victory.

Developer: Chris Charbonneau
Released: 21 Dec 2016
Price: $2.99
Platforms
Steam Deck: Verified
Languages: English
Controller: Full

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Players on Steam, last 48 hours

No player readings for Sullen in the last 48 hours yet. We poll this game every 30 days.

How this is measured

Player counts over time, as we observed them.

Counts people running the game through Steam only. Players on other stores, consoles or launchers are not included.
We poll the busiest games every 15 minutes and quiet ones as rarely as once a month, so a short spike between polls can be missed. Each game shows how often it is polled.
Our player history starts on 19 October 2026. Earlier peaks, including launch peaks, are not in our data.

Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology

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Sullen

Players on Steam, last 48 hours

Players on Steam, last 48 hours

Players By Month

Players By Month

Sullen