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
Insiders
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Action and Indie with Diluvion: Resubmerged.
Welcome to the dangerous micro world hidden inside the human body. Pilot an advanced microship through the bloodstream, brain and kidneys. Mine resources, fight microbes, craft ship modules and weapons, build bases, discover new microorganisms and find a cure for cancer. Don’t get eaten!
- 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
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.
- 4
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.
- 5
Project Castaway
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Action and Adventure with Diluvion: Resubmerged.
Project Castaway is a survival crafting title set in the Pacific Ocean. Live the life of a stranded castaway, with only yourself - and the island's inhabitants - for company! Sail the ocean, hunt, explore unique islands and gather resources as you fight for survival.
- 6
Black Skylands
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Action and Indie with Diluvion: Resubmerged.
Become the captain of an airship and explore the world of the skies, gather resources and build powerful weapons, uncover ancient secrets and fight beneath your ship's sails.
- 7
Windforge
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Action and Indie with Diluvion: Resubmerged.
WindForge is a side-scrolling block-building game where you explore hostile skies in an ever-changing Steampunk world. Everything you see can be created or destroyed, creating an RPG without barriers that rewards creative problem solving and improvisation.
- 8
STEAM HAMMER
Single-player alternative to Diluvion: Resubmerged — playable solo, no multiplayer required. Shares Action and Indie with Diluvion: Resubmerged.
Steam Hammer is the first hardcore sandbox RPG in a steampunk setting featuring survival elements. Here you'll find all the advantages of sandbox games in the mysterious world of steam engines.
- 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.