Single-player games like Tharsis
Below are 18 single-player Steam games similar to Tharsis, 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 Tharsis page.
Ranked picks
- 1
Space Grunts
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Strategy and Indie with Tharsis.
A turn-based game on a planet outpost - with no waiting between turns! Play it at the speed of an arcade game, or take your time and think about your next step.. no matter how fast you take your turn, it might be your last!
- 2
Trials of Fire
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Strategy and Indie with Tharsis.
A Tactical, Deck-Building Roguelite. Choose 3 Heroes and adventure into a post-Cataclysmic wasteland. Engage enemies in a unique meld of card-play and tactical, positional combat. Level up and scavenge what you can to customise your decks and build a party to take on any challenge!
- 3
Steam Marines
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Strategy and Indie with Tharsis.
Steam Marines is a squad based Roguelike set on a steampunk spaceship. It features tactical play focused on positioning and careful use of resources. Built to keep you on your toes as you progress through the decks of your besieged ship while clearing enemies and trying to reach each level's elevator.
- 4
Terraformers
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Strategy with Tharsis.
Terraform Mars in this turn-based colony builder and resource management game with roguelike elements. Explore the planet, develop spectacular cities, spread life and turn the Red Planet into a green one!
- 5
Legend of Keepers: Career of a Dungeon Manager
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Strategy and Indie with Tharsis.
Legend of Keepers is the perfect mix between Dungeon Defender and Roguelite. You have been hired as a dungeon manager by the Dungeons Company. Your job is simple: protect their dungeons!
- 6
WazHack
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Strategy and Indie with Tharsis.
Time moves forward only when you do in the dungeons of WazHack. Think your way out of problems instead of just spamming 'attack' and 'drink healing potion'.
- 7
Heroes of Steel RPG
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Strategy and Indie with Tharsis.
Heroes of Steel is a tactical RPG set in a grim post-apocalyptic fantasy world. Coordinate your party of four heroes in turn-based combat and navigate a engaging world and story.
- 8
Planetiles
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Strategy and Indie with Tharsis.
Dive into Planetiles, where strategy and creativity converge. Build and transform barren planets into flourishing worlds. Outwit natural disasters, develop vibrant habitats, and navigate complex challenges. Embrace a boardgame-like depth with thoughtful planning and strategic decision-making.
- 9
Space Hulk: Tactics (Classic)
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Strategy with Tharsis.
Space Hulk: Tactics is a faithful adaptation of the board game Space Hulk, set in the Warhammer 40,000 universe, bringing a unique twist to the cult classic formula. Engage in bloody battles as either a squad of Terminator Space Marines or the deadly alien Genestealers.
- 10
The Oregon Trail
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Strategy and Casual with Tharsis.
The Oregon Trail is back in a beautiful blend of charming pixel art characters, 3D environments, and cutting-edge lighting and visual effects!
- 11
Hextech Mayhem: A League of Legends Story™
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Indie with Tharsis.
In this fast-paced rhythm runner, every action has an explosive reaction and no amount of mayhem is too much. Take on the role of Hexplosives expert Ziggs as you rampage through the neighborhoods of Piltover!
- 12
BIT.TRIP RUNNER
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Indie with Tharsis.
Experience the rhythmic thrill of BIT.TRIP RUNNER! With its retro charm, simple controls, and award-winning visuals, this classic sets the standard for rhythm gaming. Don't miss the game that started it all in the acclaimed runner series.
- 13
BIT.TRIP RERUNNER
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Indie with Tharsis.
The classic rhythm platformer is back as BIT.TRIP RERUNNER + RUNNER MAKER! The fun of the original now sports fresh mechanics, art, and soundtrack – plus RUNNER MAKER, which allows you to create custom levels. A must-play for rhythm newbies, experts, and everyone in between.
- 14
Runner3
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Indie with Tharsis.
CommanderVideo returns in Runner3's heart-pounding saga! Conquer villainous villains, drive wild vehicles, and navigate thrilling environments. Meet quirky characters and face retro challenges for an adrenaline-soaked rhythm-music platformer adventure!
- 15
Laserlife
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Indie with Tharsis.
Remember what it means to be a human in this interactive biography of a dead astronaut found in deep space by future intelligences who have no concept of humankind.
- 16
Bubsy: Paws on Fire!
Single-player alternative to Tharsis — playable solo, no multiplayer required.
From the developers of the BIT.TRIP series comes Bubsy: Paws on Fire!, the latest and greatest in bobcat-based gaming.
- 17
Word Warrior: Zombie Typocalypse
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Indie and Casual with Tharsis.
Defeat zombies with creativity! "Word Warrior: Zombie Typocalypse" is a wacky word-based rail shooter. Type anything you can think of to fight off the zombies and top the global leaderboard. Replay for bigger rewards but face deadlier zombies!
- 18
Breakout Beyond
Single-player alternative to Tharsis — playable solo, no multiplayer required. Shares Indie with Tharsis.
Breakout is back! In this neon-drenched take on the classic, you’ll need to literally break through each puzzle by clearing bricks to breach the final goal. Rack up a combo and create spectacular light shows alone or with a friend.