Single-player games like Diluvion: Resubmerged
Below are 10 single-player Steam games similar to Diluvion: Resubmerged, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Diluvion: Resubmerged page.
Ranked picks
- 1
Subnautica
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Indie and Adventure with Diluvion: Resubmerged.
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
- 2
SUNLESS SEA
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Indie and Adventure with Diluvion: Resubmerged.
LOSE YOUR MIND. EAT YOUR CREW. DIE. Take the helm of your steamship and set sail for the unknown! Sunless Sea is a game of discovery, loneliness and frequent death, set in the award-winning Victorian Gothic universe of Fallen London.
- 3
We Need To Go Deeper
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Action and Indie with Diluvion: Resubmerged.
DIVE. DISCOVER. DIE. Crew a submarine with friends in We Need To Go Deeper - a 2-4-player cooperative submarine roguelike set in a Verne-inspired undersea universe.
- 4
Song of the Deep
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Adventure with Diluvion: Resubmerged.
From the creators of Ratchet & Clank, Song of the Deep is a metroidvania-style action-adventure game following a young girl’s quest into the unknown to find her missing father. It combines underwater discovery, skill, and suspense with a powerful story.
- 5
Barotrauma
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Action and Indie with Diluvion: Resubmerged.
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
- 6
Breathedge
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Action and Indie with Diluvion: Resubmerged.
Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage.
- 7
Sunless Skies: Sovereign Edition
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Indie and Adventure with Diluvion: Resubmerged.
SAIL THE STARS. BETRAY YOUR QUEEN. MURDER A SUN. Sunless Skies is a Gothic Horror roleplay game with a focus on exploration and exquisite storytelling.
- 8
Under The Waves
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Indie and Adventure with Diluvion: Resubmerged.
Stan, a professional diver in the North Sea, is struggling to overcome a life-changing loss during an extended mission underwater. Stuck in his self-imposed solitude, he starts to experience strange events and will have to make the most significant choice of his life...
- 9
Subnautica 2
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Action and Adventure with Diluvion: Resubmerged.
Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Play alone or with friends in 4-player co-op. Adapt to survive by building custom bases and crafting tools. Explore the unknown to uncover the mysteries hidden within the depths.
- 10
Ballpoint Universe - Infinite
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Action and Indie with Diluvion: Resubmerged.
Ballpoint Universe Infinite is a shoot-em-up adventure game featuring artwork entirely drawn in ballpoint pen. Explore immaculate worlds, discover the secrets of the doodles, and customize your Ink-Ship for battle! Press"Ballpoint Universe Infinite is too exuberant to ignore.