Single-player games like Iron Heart
Below are 14 single-player Steam games similar to Iron Heart, 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 Iron Heart page.
Ranked picks
- 1
TailQuest Defense
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Action and Strategy with Iron Heart.
Explore a tiny world, defeat hundreds of enemies, experiment with the environment, find all secrets and enjoy the Adventure with a friend or in single player mode!
- 2
Fort Defense
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Strategy and Adventure with Iron Heart.
All hands on deck! Pirate armada dead ahead! Take part in an uncompromising struggle repelling freebooters' assaults. Watch out, the enemy may catch the tide for ruining your fortress. Build towers, collect crystals, upgrade spells and believe in your victory!
- 3
Huusuienbu - Chapter spring and Summer
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Strategy and Adventure with Iron Heart.
RTS+TD+ADV You can enjoy real time strategy battle and adventure mode with simple operation.
- 4
HexDefense
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Action and Strategy with Iron Heart.
HexDefense is a roguelike tower defense with an emphasis on constant action with little to no downtime. Defend your city by building towers, upgrading them with money from your fallen foes, and equipping them with strange items you find out in the world!
- 5
Gregg: Tower Defence
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Action and Strategy with Iron Heart.
Play as Gregg. Gather, build and destroy your slimy enemies in this thrilling pixel art tower defence!
- 6
Day D: Tower Rush
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Action and Strategy with Iron Heart.
Onwards to the past! Learn the real power of science! Help the professor and his loyal companion deal with hordes of dinosaurs.
- 7
Transistor Defense
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Action and Strategy with Iron Heart.
Transistor Defense is a strategic tower defense game where players must fend off the onslaught of a rogue sentient AI determined to overtake the network.
- 8
Ezaron Defense
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Action and Strategy with Iron Heart.
A classic 3D Tower Defense fantasy game, made by a very small and dedicated team.
- 9
Iron Sea Defenders
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Action and Strategy with Iron Heart.
Man the guns! The enemy fleet is on the horizon! Defend your fort from attacks – show your tactical skill.
- 10
Gnomes Garden
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Strategy and Casual with Iron Heart.
Dry summer withered the king’s beloved garden and the surrounding gardens of the kingdom alike. The ruler has fallen ill and the kingdom is in danger. Help the princess save the gardens and make the king better again.
- 11
Royal Defense
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Strategy and Adventure with Iron Heart.
The castle needs a hero – hordes of trolls are surrounding it! Build towers, save money, learn spells - don't let the enemy in! Follow the exciting story of the dwarven kingdom's eternal struggle against the troll hordes, who want only to crush the dwarves and claim their territory.
- 12
Alice's Patchwork
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Strategy and Casual with Iron Heart.
Assemble patchwork mosaics while you travel with Alice and the famous characters of Wonderland and Looking-Glass Land
- 13
Alice's Patchworks 2
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Casual with Iron Heart.
Assemble patchwork mosaics, meet your favorite heroes from the world beyond the looking glass and help Alice become the queen!
- 14
Katy and Bob: Safari Cafe
Single-player alternative to Iron Heart — playable solo, no multiplayer required. Shares Strategy and Casual with Iron Heart.
Katy and Bob: a new chapter in the adventures of Katy and Bob. Head into the safari park and grow your business!