Single-player games like Cobalt Core
Below are 14 single-player Steam games similar to Cobalt Core, 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 Cobalt Core page.
Ranked picks
- 1
StarVaders
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Strategy and Indie with Cobalt Core.
Pilot a powerful mech to fight off the alien invasion in this ULTIMATE fusion of deckbuilding and grid-based tactics. Discover game-breaking combos, rewind time to alter your fate, and protect the future of humanity in this endlessly replayable roguelike.
- 2
Wildfrost
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Indie and Strategy with Cobalt Core.
Take on the elements in Wildfrost, a tactical roguelike deckbuilder! Journey across a frozen tundra, collecting cards strong enough to banish the eternal winter…
- 3
Shogun Showdown
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Strategy and Indie with Cobalt Core.
Shogun Showdown is a turn-based combat game with rogue-like and deck-building elements. Position yourself and attack at the right time, upgrade your tiles and combo them to get ready to face the Shogun!
- 4
Monster Train 2
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Strategy and Indie with Cobalt Core.
Monster Train returns with all new clans, new enemy factions, new challenges, new modes and more! Defend your Pyre in the classic three-tiered, vertical gameplay that made the original roguelike deckbuilder a hit.
- 5
LONESTAR
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Strategy and Indie with Cobalt Core.
LONESTAR is a strategic Roguelike spaceship deckbuilder. As a bounty hunter, you will capture criminals scattered across the universe. Win the shockwave battle to gain rewards and vacations. Find treasures, customize spaceships, unlock talents, defeat the felons and be a legend!
- 6
Astrea: Six-Sided Oracles
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Indie and Strategy with Cobalt Core.
Astrea is a DICE-deck-building roguelike that flips the script on deckbuilders by using dice instead of cards and a unique dual “damage” system: Purification vs Corruption. Build a dice pool strong enough to purify Astrea's out-of-control corruption and save the Star System.
- 7
Backpack Hero
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Strategy and Indie with Cobalt Core.
The inventory management roguelike! Collect rare items, organize your backpack, and vanquish your foes!
- 8
Roguebook
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Indie and Strategy with Cobalt Core.
Embrace the challenge of a roguelike deckbuilder with unique mechanics from the developers of Faeria and Richard Garfield, creator of Magic: The Gathering™. Build a team of two heroes, unleash powerful combos and defeat the legends of the Roguebook!
- 9
Noita
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Indie with Cobalt Core.
Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.
- 10
One Step From Eden
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Indie and Strategy with Cobalt Core.
Build a powerful deck, cast spells on the fly, battle evolving enemies, find game-changing artifacts, make friends or make enemies, just make it to Eden.
- 11
Slay the Spire
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Strategy and Indie with Cobalt Core.
We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!
- 12
Monster Train
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Strategy with Cobalt Core.
Monster Train is a strategic roguelike deck building game with a twist. Set on a train to hell, you’ll use tactical decision making to defend multiple vertical battlegrounds. With real time competitive multiplayer and endless replayability, Monster Train is always on time.
- 13
Inscryption
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Indie and Strategy with Cobalt Core.
Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...
- 14
Sunshine Heavy Industries
Single-player alternative to Cobalt Core — playable solo, no multiplayer required. Shares Indie with Cobalt Core.
Welcome to Sunshine Heavy Industries! As the new spaceship engineer, solve increasingly tricky design puzzles with your own personal style. Manage customer demands, juggle budget and ship performance, and survive the questionable decision making skills of your business partner.