Single-player games like Citadel Siege
Below are 11 single-player Steam games similar to Citadel Siege, 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 Citadel Siege page.
Ranked picks
- 1
House of Terror
Single-player alternative to Citadel Siege — playable solo, no multiplayer required. Shares Sports and Indie with Citadel Siege.
Do you have what it takes to survive the House of Terror? Step inside… if you dare.
- 2
Gladiator Fights
Single-player alternative to Citadel Siege — playable solo, no multiplayer required. Shares Sports and Indie with Citadel Siege.
Hold the Line. Command the Fight. Survive the Chaos.
- 3
Witchy Wonderland
Single-player alternative to Citadel Siege — playable solo, no multiplayer required. Shares Sports and Indie with Citadel Siege.
Witchy Wonderland is a thrilling horror-park simulator where you're not just building attractions—you’re crafting nightmares.
- 4
Battle for Sea 3D
Single-player alternative to Citadel Siege — playable solo, no multiplayer required. Shares Sports and Indie with Citadel Siege.
Naval battles of ships. Turn-based tactical battles.
- 5
Iron Carnage
Single-player alternative to Citadel Siege — playable solo, no multiplayer required. Shares Sports and Indie with Citadel Siege.
One wrong move, and your flag will fall.
- 6
football girl
Single-player alternative to Citadel Siege — playable solo, no multiplayer required. Shares Sports and Indie with Citadel Siege.
The beautiful girlis are waiting for you to conquer.
- 7
Stayhome Simulator
Single-player alternative to Citadel Siege — playable solo, no multiplayer required. Shares Sports and Indie with Citadel Siege.
The game will teach you how to stay at home, make trips to the store, use masks and various antiseptics. Buckwheat, toilet paper, masks, city pass..
- 8
Crazy Prisoner
Single-player alternative to Citadel Siege — playable solo, no multiplayer required. Shares Sports and Indie with Citadel Siege.
Crazy Prisoner - is a simple 2D horror game with elements of survival, in which you will play as an escaped prisoner named Joel.
- 9
Stronghold Crusader HD (2012)
Single-player alternative to Citadel Siege — playable solo, no multiplayer required.
The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.
- 10
祖玛少女/Zuma Girls
Single-player alternative to Citadel Siege — playable solo, no multiplayer required. Shares Casual with Citadel Siege.
Zuma girl is a casual marble shooting game, which integrates RPG skills and strategies with traditional Zuma playing methods. You will meet three beautiful girls in the battle. Who is stronger or weaker? Only the brave survive to the end!
- 11
Stronghold: Definitive Edition
Single-player alternative to Citadel Siege — playable solo, no multiplayer required.
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.