Sub Optimal Co. overview

Overview

Sub Optimal Co. comes from It's A Sidegame and is published by It's A Sidegame. It arrived on Steam on Mar 17, 2026, and it sits naturally among Single-player, Multi-player, Co-op, Online Co-op, Steam Achievements, and Family Sharing. SteamPulse tracks it across Windows and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

Sub Optimal Co.'s latest SteamPulse observation recorded 0 players at 5 October 2026 - 04:53:29 UTC, with a tracked peak near 6. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 82% positive across 11 reviews.

Language and system requirements

Sub Optimal Co. is available in 3 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

Sub Optimal Co. has no public VGI unit-sales estimate available and has recommendation data pending. Revenue data is not available for this game yet. On Twitch, 0 streamers are live with around 0 total watchers.

Sub Optimal Co. overview details

Sub Optimal Co. combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

Invite up to five friends and operate your submarine. Together or alone. Navigate carefully and consider every move while you progress through one of 20 challenging and unique cave systems in this slow pace, atmospheric diving experience. Reach the target location without crushing your submarine into the walls by operating your cameras, sonar and the submarine's movement. Together or alone. While you can operate the submarine all by yourself - It’s way more effective to have a few helping hands on board. So hire your friends who are up for a claustrophobic dive experience. It's simple. Operate your submarine through challenging tight cave systems to collect the target, while not scratching the cave walls. You will be spending 95% in the submarine. You (and your friends) can freely move within it and by operating the submarine's consoles, you can move and navigate your submarine. Dive through challenging cave systems by turning, tilting, rotating and adjusting movement speed, without touching the walls. If your submarine touches the walls too often, it will sink and the dive failed. The challenge here is that you only have limited tools to see or hear your location within the cave. There is always a target at the end of the cave that you need to reach and return to your base with. With every new launch or restart of the game, one of 20 caves will be chosen randomly for you to play (more to come). Think of it as some kind of hot-wire mechanic. In a sub. In a cave. A charming "I am not an submarine expert but I want to maneuver a submarine with my friends but without th…

SteamPulse editorial summary

Sub Optimal Co. is listed as a game with $3.99. It supports Windows, belongs to Single-player, Multi-player, Co-op, Online Co-op, Steam Achievements, and Family Sharing, and is associated with Casual, Indie, and Simulation. SteamPulse's latest observation records 0 players at 5 October 2026 - 04:53:29 UTC, a tracked peak of 6, and 82% positive reviews.

Highlighted achievements

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.