Single-player games like The Citadel Must Hold
Below are 8 single-player Steam games similar to The Citadel Must Hold, 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 Citadel Must Hold page.
Ranked picks
- 1
Doomed Night: Build Base & Explore
Single-player alternative to The Citadel Must Hold — playable solo, no multiplayer required. Shares Strategy with The Citadel Must Hold.
Build your kingdom, expand borders, and face darkness. By day, gather strength, build defenses, and explore the land. By night, lead your army in tower defense, fight monsters with your troops, defend your people, and survive waves spilling from portals threatening all.
- 2
Dwarven Rampart
Single-player alternative to The Citadel Must Hold — playable solo, no multiplayer required. Shares Strategy with The Citadel Must Hold.
Raise massive armies and fight thousands of enemies. Dwarven Rampart is a fantasy roguelite strategy game where you build dwarven cities and fight massive fights. How long can you survive?
- 3
Kings of Cratia
Single-player alternative to The Citadel Must Hold — playable solo, no multiplayer required. Shares Strategy with The Citadel Must Hold.
Kings of Cratia offers an experience that mixes real-time strategy and first-person shooter mechanics. Build your new village and manage your resources efficiently. Be ready to defend your village every day when night falls! RTS or FPS, you are free to protect your village any way you want it.
- 4
Lessaria: Fantasy Kingdom Sim
Single-player alternative to The Citadel Must Hold — playable solo, no multiplayer required. Shares Strategy with The Citadel Must Hold.
Lessaria is an RTS inspired by Majesty 👑 where you guide heroes with indirect control. Play through the campaign or relax in sandbox mode as you build your magical kingdom.
- 5
Mandate Order
Single-player alternative to The Citadel Must Hold — playable solo, no multiplayer required. Shares Strategy with The Citadel Must Hold.
Mandate Order is a Warring States war city-builder set in ancient China. Build a stronghold, manage industries and logistics, recruit scholars from the Hundred Schools of Thought, raise armies, and command real-time tactical battles with thousands of soldiers.
- 6
Here Comes The Swarm
Single-player alternative to The Citadel Must Hold — playable solo, no multiplayer required. Shares Strategy with The Citadel Must Hold.
Here Comes the Swarm is a survival RTS with a pause button! Create your strategy, build, manage, and defend your settlements at your own pace. Take the fight to the hive mind and lead expeditions to deliver a deadly blow and eradicate your foes. Will you reclaim Ulora from the relentless Swarm?
- 7
The King is Watching
Single-player alternative to The Citadel Must Hold — playable solo, no multiplayer required. Shares Strategy with The Citadel Must Hold.
The King is Watching is a roguelite kingdom builder. Rule by the power of your royal gaze! Decide between producing resources, training armies, or balancing both, while adapting to unique events every run
- 8
DarkSwitch
Single-player alternative to The Citadel Must Hold — playable solo, no multiplayer required. Shares Strategy with The Citadel Must Hold.
DarkSwitch is a vertical survival city builder. Build a city on a great tree and defend it against the Fog. Face the challenges of limited real estate, scarce resources, and tough moral choices as you seek to uncover the mystery of the Shroud. The Tree Provides! The Tree Protects! The Tree Prevails!