Single-player games like Z-Collapse
Below are 13 single-player Steam games similar to Z-Collapse, 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 Z-Collapse page.
Ranked picks
- 1
4th Generation Warfare
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Simulation and Strategy with Z-Collapse.
As the leader of a nation, dispatch and control your team of characters all around the world to destabilize your enemies and establish your supremacy. All methods are fair game: hacking, sabotage, political interference, military strikes, corruption, treachery, assassinations, data theft…
- 2
Power & Revolution 2021 Edition
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Simulation and Strategy with Z-Collapse.
A new expansion of the ultra-realistic simulator of today's world where you play as the head of state or as the opposition! New Features for 2021: administration of the EU, Covid vaccinations, Biden's Challenge, political coalitions, diplomatic negotiations, worldwide tax and free-trade agreements.
- 3
Supreme Ruler Ultimate
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Strategy and Simulation with Z-Collapse.
Real-Time Strategy/Wargame. From World War II through the Cold War and into the future, re-live or re-imagine the tensions and crises of our recent history! Guide your nation through the era of your choice in Campaigns, Scenarios, and Sandboxes, as you make every effort to become Supreme Ruler!
- 4
ICBM: Escalation
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Strategy with Z-Collapse.
ICBM: Escalation is a grand RTS where you command armies, develop cutting-edge tech, and wield devastating weapons. Conquer enemies with conventional forces or nuclear firepower. With new modes like Standoff and Conquest, the game offers deep strategic layers in a global warfare setting.
- 5
Shadows of Forbidden Gods
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Strategy and Simulation with Z-Collapse.
Take on the role of a Dark Elder God and lead your agents to bring about an apocalypse in a fantasy world. Work in the shadows, avoiding the heroes who will try to stop you, as you bring about plague and famine, ice age and volcanic destruction, madness and never ending night.
- 6
Total Conflict: Resistance
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Simulation and Strategy with Z-Collapse.
Total Conflict: Resistance is a unique symbiosis of global strategy, tactics and first-person action. Realistic mass battles, many types of armored vehicles, weapons, uniforms, unique mechanics, immersive free gameplay. Lead any state and bring it to greatness!
- 7
Wargame: Airland Battle
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Strategy and Simulation with Z-Collapse.
2 SIDES, 12 NATIONS, 750 UNITS: THE STRATEGY GAME REFERENCE IS BACK! Richer, more beautiful and more accessible, Wargame AirLand Battle is the sequel to the explosive real-time strategy game Wargame European Escalation! 1985.
- 8
Atom Zombie Smasher
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Strategy with Z-Collapse.
The zombie apocalypse is upon us and it's up to you to evacuate everyone before they fall prey to the undead. Conduct massive rescue operations with a helping hand from snipers, artillery crews, orbital bombardments, and more.
- 9
Plague Inc: Evolved
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Strategy and Simulation with Z-Collapse.
Plague Inc: Evolved is a unique mix of high strategy and terrifyingly realistic simulation. Your pathogen has just infected 'Patient Zero' - now you must bring about the end of human history by evolving a deadly, global Plague whilst adapting against everything humanity can do to defend itself.
- 10
DEFCON
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Strategy with Z-Collapse.
Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.
- 11
Hearts of Iron IV
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Strategy and Simulation with Z-Collapse.
Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history.
- 12
Zombie Commander
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Strategy with Z-Collapse.
Zombie Commander is a strategy game about bringing the extinction of humanity by a zombies invasion, and lead the apocalpyse !
- 13
Console War Giant : A Turn-Based Tycoon
Single-player alternative to Z-Collapse — playable solo, no multiplayer required. Shares Simulation and Strategy with Z-Collapse.
Console War Giant is a turn-based management game that puts you in charge of a young company producing video game consoles! The gaming industry is still in its infancy. A place under the sun is yours to claim!