Single-player games like The Heart Defenders
Below are 8 single-player Steam games similar to The Heart Defenders, 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 The Heart Defenders page.
Ranked picks
- 1
Mob Factory
Single-player alternative to The Heart Defenders — playable solo, no multiplayer required. Shares Strategy and Simulation with The Heart Defenders.
Mob factory is an tower defense and automation game for the lazy adventurer. Smelt down enemy loot into turrets & factories to automate an ever expanding dungeon from the comfort of your tower.
- 2
Phoenix Hope
Single-player alternative to The Heart Defenders — playable solo, no multiplayer required. Shares Strategy and Simulation with The Heart Defenders.
Phoenix Hope is a pixel art 2D real-time, side-view strategy game in which you must develop your colony during the day and repel waves of monsters at night.
- 3
Grim Nights
Single-player alternative to The Heart Defenders — playable solo, no multiplayer required. Shares Strategy with The Heart Defenders.
Your village must survive for 13 days! Gather resources, expand, explore the underground for riches, and train soldiers to defend against hordes of the undead.
- 4
Stronghold: Definitive Edition
Single-player alternative to The Heart Defenders — playable solo, no multiplayer required. Shares Strategy and Simulation with The Heart Defenders.
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
- 5
Northgard: Definitive Edition
Single-player alternative to The Heart Defenders — playable solo, no multiplayer required. Shares Strategy and Simulation with The Heart Defenders.
Northgard: Definitive Edition is a critically acclaimed real-time strategy game based on Norse mythology. Lead your clan, uncover the secrets of a mysterious newfound continent and defeat your enemies to conquer the Throne!
- 6
Farthest Frontier
Single-player alternative to The Heart Defenders — playable solo, no multiplayer required. Shares Strategy and Simulation with The Heart Defenders.
Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.
- 7
Kingdom Two Crowns
Single-player alternative to The Heart Defenders — playable solo, no multiplayer required. Shares Strategy and Simulation with The Heart Defenders.
Gather coins, build defenses and reclaim your fallen Kingdom. Explore and uncover secrets, unlock new technologies and protect your crown versus waves of Greed monsters that come at night. Kingdom is a solo or co-op micro-strategy and tower defense game set in an atmospheric pixel world.
- 8
Cataclismo
Single-player alternative to The Heart Defenders — playable solo, no multiplayer required. Shares Strategy and Simulation with The Heart Defenders.
Design and build fortresses brick by brick to stand against endless hordes of Horrors in this real-time strategy game with resource management, siege defense, and exploration. Lead from the ramparts, push back the darkness, and hold fast against the creatures of the Mist.