Single-player games like Castle Combat
Below are 9 single-player Steam games similar to Castle Combat, 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 Castle Combat page.
Ranked picks
- 1

Attack on Toys
Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Strategy with Castle Combat.
Relive Your Childhood Toys comes to life! Build your Army Toys, make battle scenario, watch the Toys battling each other, and customize your play with Attack on Toys Toy Box. Command your Army Toys to fight againts another toys strategically and keep them alive during battle!
- 2

Our War: The Strongest Shield
Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Strategy and Casual with Castle Combat.
A grand and intense tower defense science fiction game, where you only need to purchase once to enjoy all the content of the game.
- 3

Sunbreak War
Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Strategy with Castle Combat.
A light Rogue strategy game centered on building and defense. Build your territory, recruit soldiers to fend off enemies. 9 maps, 6 weapons (30 talents), 40 monsters, 30 units/buildings. Plan your pace, control soldiers, choose abilities—enjoy command and strategy.
- 4

Combat Mission Shock Force 2
Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Strategy with Castle Combat.
The latest title in the famous Combat Mission franchise of wargames, now on Steam. Shock Force 2 brings you to a hypothetical conflict in Syria between the forces of NATO and the Syrian Army. Play either on WeGo or Real Time in an incredibly detailed and realistic 1:1 tactical simulation.
- 5

DEFCON
Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Strategy with Castle Combat.
Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.
- 6

Renaissance Kingdom Wars
Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Strategy with Castle Combat.
The year is 1510. As wars rage across Europe, Africa, and the Middle East, it is the age of gunpowder and mercenaries - that changed the course of history. You can do it as well, going from a leader of men to the ruler of an empire in this unique mix of RTS and grand strategy.
- 7

D.O.T. Defence
Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Strategy with Castle Combat.
Welcome to the frontlines! Build towers, muster armies, and conquer the map. Challenge yourself in the single-player campaign following the Chroma Wars, survive relentless waves in solo defense, or battle it out in local matches against friends and AI bots. Victory comes with the last HQ standing!
- 8

Company of Heroes 3
Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Strategy with Castle Combat.
Company of Heroes 3 combines heart-pounding combat with deeper strategic choices in a stunning Mediterranean theatre of war. In Company of Heroes 3, every battle tells a story...what's yours?
- 9

Game of Life: Time
Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Casual with Castle Combat.
See the trajectory of Conway's Game of Life through time in a 3D perspective. Create cells, destroy cells, randomly generate cells, and observe the evolution of cell groups on the timeline!