Sub Optimal Co.

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It's simple. Operate your submarine through challenging tight cave systems to collect the target, while not scratching the cave walls under suboptimal conditions. Navigate carefully and consider every move in this slow pace, athmospheric, multiplayer, submarine simulation-lite.

Developer: It's A Sidegame
Released: 17 Mar 2026
Price: $3.99
Platforms
Steam Deck: Playable
Languages: English +2

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Players on Steam, last 48 hours

No player readings for Sub Optimal Co. 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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Sub Optimal Co.

Players on Steam, last 48 hours

Players on Steam, last 48 hours

Players By Month

Sub Optimal Co.

Players By Month