Single-player games like Thermonuclear
Below are 8 single-player Steam games similar to Thermonuclear, 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 Thermonuclear page.
Ranked picks
- 1
Into the Breach
Single-player alternative to Thermonuclear — playable solo, no multiplayer required. Shares Strategy and Indie with Thermonuclear.
Control powerful mechs from the future to defeat an alien threat. Each attempt to save the world presents a new randomly generated challenge in this turn-based strategy game.
- 2
ARC SEED
Single-player alternative to Thermonuclear — playable solo, no multiplayer required. Shares Strategy with Thermonuclear.
Face the interstellar Archangels in a turn-based tactical game with deckbuilding elements and destructible environment, where you pilot powerful mechs to save the Earth from destruction.
- 3
Pathway
Single-player alternative to Thermonuclear — playable solo, no multiplayer required. Shares Strategy and Indie with Thermonuclear.
Explore the strange unknown with Pathway, a strategy adventure set in the 1930s great wilderness. Unravel long-forgotten mysteries of the occult, raid ancient tombs and outwit your foes in turn-based squad combat!
- 4
Anomaly Collapse
Single-player alternative to Thermonuclear — playable solo, no multiplayer required. Shares Strategy and Indie with Thermonuclear.
Command a squad of adorably fierce warriors in Anomaly Collapse, a turn-based Roguelite strategy game that offers a fresh twist to an old formula! Face off against otherworldly beings and uncover the dark secrets of supernatural calamities. Immerse yourself in a story where every move counts!
- 5
Templar Battleforce
Single-player alternative to Thermonuclear — playable solo, no multiplayer required. Shares Action and Strategy with Thermonuclear.
An addictive mix of strategic combat and army building, with the precision of an RPG. Design your squad members' exact build of equipment and talents to create unique fireteam combinations. Step into the pilot suit of a Leviathan mech, lead the Templar Knights in turn-based tactical warfare.
- 6
Lost For Swords
Single-player alternative to Thermonuclear — playable solo, no multiplayer required. Shares Strategy and Indie with Thermonuclear.
Lost For Swords is a Roguelike Deckbuilder, where the cards in your deck shape the rooms you’re exploring. Make your way up the tower, equip weapons and armor, cast spells and scrolls, activate auras, collect loot and defeat monsters in tactical turn-based combat.
- 7
Astral Throne
Single-player alternative to Thermonuclear — playable solo, no multiplayer required. Shares Strategy and Indie with Thermonuclear.
Uncover the mystery of a land beset by a Falling Star's curse in this Roguelike Strategy RPG inspired by the classics. Build your party, recruit new allies, and synergize your team's skills for decisive victory.
- 8
The Last Spell
Single-player alternative to Thermonuclear — playable solo, no multiplayer required. Shares Action and Strategy with Thermonuclear.
Defend the last bastion of humanity with your squad of heroes! Exterminate fiendish monsters with magic and brute force by night and re-build your battered city defenses by day in this tactical RPG with rogue-lite mechanics.