Single-player games like Ghost Algorithm
Below are 8 single-player Steam games similar to Ghost Algorithm, 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 Ghost Algorithm page.
Ranked picks
- 1

Signal Zero
Single-player alternative to Ghost Algorithm — playable solo, no multiplayer required. Shares Strategy and Indie with Ghost Algorithm.
Humanity is enslaved by AI. Your keyboard is the last weapon. Inject viruses into the AI network and liberate 20 countries in this pandemic-style idle strategy. Build your virus, spread the infection, sever the AI's bandwidth. Full localization, 16 achievements.
- 2

Warnet
Single-player alternative to Ghost Algorithm — playable solo, no multiplayer required. Shares Strategy and Indie with Ghost Algorithm.
Outmaneuver, outbuild, outthink. In Warnet, the map is your ally and your enemy - master its properties, and you master victory.
- 3

Final Fort
Single-player alternative to Ghost Algorithm — playable solo, no multiplayer required. Shares Strategy and Indie with Ghost Algorithm.
FinalFort is a survival game with defense as the core gameplay, and when the end comes, you use the last human shelter to constantly dig minerals, build walls and various turrets to defend against the endless zombie army.
- 4

Post-Apo Builder
Single-player alternative to Ghost Algorithm — playable solo, no multiplayer required. Shares Strategy and Simulation with Ghost Algorithm.
Build your own city in a post-apocalyptic future. Scavenge and fight for resources, everything counts! Restore civilization on the ashes of the fallen world! Explore wastelands to gather resources, protect and take care of your people! Fight off raiders, wild tribesman and natural disasters.
- 5

Nano Organism
Single-player alternative to Ghost Algorithm — playable solo, no multiplayer required. Shares Strategy and Indie with Ghost Algorithm.
Nano Organism - is a real-time strategy game, you control nano cells to control the entire organism, lots of puzzles, dynamic progression, lots of research, achievements, free choice of development direction and progression.
- 6

Game of Gods
Single-player alternative to Ghost Algorithm — playable solo, no multiplayer required. Shares Strategy and Indie with Ghost Algorithm.
Create your own religion and battle for domination of Earth's souls. Collect souls to upgrade your religion and battle other religions to control more territory and expand. Evolve your religion to higher states and dominate earth's souls to create your own utopia here on planet earth!
- 7

Rebirth evolution
Single-player alternative to Ghost Algorithm — playable solo, no multiplayer required. Shares Strategy and Indie with Ghost Algorithm.
2D pixel style simulation business strategy game Build and operate your own survivor base, recruit and cultivate various professional combatants. Clear zombie strongholds, reduce regional infections, survive in the apocalypse, and establish your own power.
- 8

NOBUNAGA'S AMBITION: Awakening
Single-player alternative to Ghost Algorithm — playable solo, no multiplayer required. Shares Simulation with Ghost Algorithm.
Conquer Warring States Japan under one banner