Single-player games like Island Crusaders
Below are 11 single-player Steam games similar to Island Crusaders, 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 Island Crusaders page.
Ranked picks
- 1
Gelluloid Domination
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Action and Strategy with Island Crusaders.
Gelluloid Domination is a fast-paced, strategic and tactical game where you grow a network of cells. Expand by assimilating nearby cells, fight off pathogens and develop nanoboosts in the lab. Other cells want to propagate their DNA too, so this won't be easy. Can your cells achieve domination?
- 2
Amogus TD 2 - Defense of the Sus
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Strategy with Island Crusaders.
Sussy tower defense game with unlimited ways to play the game. Play with unique towers and upgrade them to create perfect defense. Master every map and become the greatest sussy commander.
- 3
EverSiege: Untold Ages
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Strategy and Indie with Island Crusaders.
Retreating ends here. Defend Bastion against evil hordes, reclaim lost powers, rebuild ancient ruins, and adapt your tactics to reverse the siege. Shape your playstyle in this hero-strategy rogue-lite solo or co-op up to 3 players.
- 4
Door Kickers 2: Task Force North
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Action and Strategy with Island Crusaders.
Command military Special Ops Teams in gripping tactical combat against a Middle East-based terrorist network. Sequel to RockPaperShotgun's "Best Tactics Game of 2014".
- 5
Leave No One Behind: Ia Drang
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Action and Strategy with Island Crusaders.
Leave No One Behind is tactical real time strategy war game. Experience some of the hardest battles fought during the Vietnam War in 1965 between US Army and the Army of the Northern Vietnam for landing zones X-Ray and Albany and for Plei Me special forces camp.
- 6
Age of Darkness: Final Stand
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Strategy with Island Crusaders.
Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.
- 7
Fire Commander
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Action and Strategy with Island Crusaders.
See what it means to face the fire. Command a firefighting unit in an exciting tactical RTS. Save lives, manage your water supplies and care for your team in 30+ missions. Be a real hero!
- 8
Attack on Toys
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Action and Strategy with Island Crusaders.
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!
- 9
Now Testing: 407
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Action and Indie with Island Crusaders.
A puzzle-platform game taking place inside of a videogame where you can exploit glitches to solve puzzles and traverse outside of the actual game map.
- 10
Animalistic
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Action and Indie with Island Crusaders.
Animalistic is a fast-paced, ultraviolent, and stylish indie FPS game where you brutally clear room after room of creepy humanoid animals. Featuring a story-mode and endless wave mode!
- 11
Midnight Acres
Single-player alternative to Island Crusaders — playable solo, no multiplayer required. Shares Action and Indie with Island Crusaders.
Experience Midnight Acres — an indie farming sim by day, and intense FPS by night. Unwind and battle on, all in one game as you grow and nurture your farm, plan and upgrade turrets and defenses, engage in combat with horrifying beasts, and explore the beautiful and mysterious world around you!