Single-player games like Warlords Under Siege
Below are 16 single-player Steam games similar to Warlords Under 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 Warlords Under Siege page.
Ranked picks
- 1
Deep Among the Swarm
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy with Warlords Under Siege.
Deep Among the Swarm is a challenging survival RTS roguelite about surviving against thousands of enemies. Drill ever deeper underground while fighting the endless onslaught of the Swarm. Can you save humanity?
- 2
Here Comes The Swarm
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy and Simulation with Warlords Under Siege.
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?
- 3
Age of Darkness: Final Stand
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy with Warlords Under Siege.
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.
- 4
Diplomacy is Not an Option
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy with Warlords Under Siege.
Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?
- 5
Becastled
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy with Warlords Under Siege.
Build a castle by day and defend it by night. Becastled blends cozy city-building with challenging tower defense strategy. Lead the Sun Kingdom’s last stand against the Moon Beasts and end the ancient conflict between light and darkness!
- 6
Thronefall
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy with Warlords Under Siege.
A minimalist game about building and defending your little kingdom.
- 7
Nordhold
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy with Warlords Under Siege.
Enemies are coming! Every decision matters: build your city, grow the economy, and prepare for enemy waves. Strengthen your defenses, adapt your strategy, and unleash your hero’s full potential. This unique Tower Defense will test your skills – are you worthy to claim a place at Valhalla?
- 8
Emberward
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy with Warlords Under Siege.
Build twisting mazes with tetromino blocks and deploy unique towers in this strategic roguelite tower defense adventure!
- 9
Minion Masters
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy with Warlords Under Siege.
An addictive fast-paced hybrid of Card games & Tower-Defense. Play 1v1 - or bring a friend for 2v2 - and engage in epic online multiplayer battles full of innovative strategy and awesome plays! Collect 200+ cards with unique mechanics, all free!
- 10
Oasis
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy and Simulation with Warlords Under Siege.
Oasis is a relaxed environmental strategy game, where players transform the barren sandy land into a prosperous and balanced ecosystem by planting various plants, providing living spaces for various organisms, and bringing life back to the dead world.
- 11
Citizens: Far Lands
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy and Simulation with Warlords Under Siege.
Citizens is a blend between turn based city builder and a puzzler for strategy masterminds. Build a thriving settlement, extract and process resources and manage your population by catering to their needs, thus allowing you to build bigger and better!
- 12
Citizens: On Mars
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy with Warlords Under Siege.
Experience the ultimate turn-based colony building game in Citizens: On Mars! As the leader of a fledgling Martian settlement, your mission is to develop a thriving colony amidst the harsh and unforgiving environment of the Red Planet.
- 13
Balling Up
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required.
Immerse yourself in a colorful journey through universes that does not forgive any mistakes. Jump well in the ball parkour game, where falling can cost you everything!
- 14
Warlords Battle Simulator
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Strategy and Simulation with Warlords Under Siege.
Test your mettle as a commander in a Tactical Roguelike Auto Battler where positioning and unit combinations are key! Write your own story in Roguelike mode, try out over 100 unique challenges or create interesting battles with the Sandbox tool!
- 15
The Moon 2044
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Simulation with Warlords Under Siege.
Explore a secret NCIS facility and discover its dark secret. Take on the role of the XV-11 unit and face hundreds of enemies in a dark sci-fi shooter inspired by old school hits!
- 16
Androsystem Idle
Single-player alternative to Warlords Under Siege — playable solo, no multiplayer required. Shares Simulation with Warlords Under Siege.
Produce Androids and create a Fleet that will help you conquer new planets. Mine valuable minerals that will further increase your production capacity.