Single-player games like Ignis Corruption
Below are 8 single-player Steam games similar to Ignis Corruption, 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 Ignis Corruption page.
Ranked picks
- 1
Final Outpost: Definitive Edition
Single-player alternative to Ignis Corruption — playable solo, no multiplayer required. Shares Strategy with Ignis Corruption.
Final Outpost is a survival strategy base-builder. You lead the last survivors of the apocalypse. Assign roles, craft tools, and manage resources carefully. Construct buildings, level up your citizens, and fortify your town against hordes of zombies. How many days can you survive?
- 2
Here Comes The Swarm
Single-player alternative to Ignis Corruption — playable solo, no multiplayer required. Shares Strategy and Indie with Ignis Corruption.
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
Kingdoms and Castles
Single-player alternative to Ignis Corruption — playable solo, no multiplayer required. Shares Strategy and Indie with Ignis Corruption.
Kingdoms and Castles is a city-building simulation game about growing a kingdom from a tiny hamlet to a sprawling city and imposing castle. Make trade agreements, alliance, and war with neighboring AI controlled kingdoms. Each villager and resource is individually simulated.
- 4
Cartel Tycoon
Single-player alternative to Ignis Corruption — playable solo, no multiplayer required. Shares Action and Strategy with Ignis Corruption.
Cartel Tycoon is a survival business sim inspired by the ‘80s and '90s narco trade. Expand and conquer, fight off rival thugs and evade the authorities. Earn people's loyalty and strive to overcome the doomed fate of a power-hungry drug lord.
- 5
They Are Billions
Single-player alternative to Ignis Corruption — playable solo, no multiplayer required. Shares Strategy with Ignis Corruption.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
- 6
Farthest Frontier
Single-player alternative to Ignis Corruption — playable solo, no multiplayer required. Shares Strategy and Indie with Ignis Corruption.
Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.
- 7
Citadels
Single-player alternative to Ignis Corruption — playable solo, no multiplayer required. Shares Action and Strategy with Ignis Corruption.
The Legend Of King Arthur Reborn! A vast army has gathered in front of the castle gates and is preparing to attack King Arthur! How has it come to this? Witness important events in the history of the legendary king and accompany him and his army on the path to an uncertain future.
- 8
Stronghold: Definitive Edition
Single-player alternative to Ignis Corruption — playable solo, no multiplayer required. Shares Strategy with Ignis Corruption.
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.