Single-player games like Iron Sky: Invasion
Below are 17 single-player Steam games similar to Iron Sky: Invasion, 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 Iron Sky: Invasion page.
Ranked picks
- 1
Earth 2160
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Strategy with Iron Sky: Invasion.
After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts.
- 2
Spacebase Startopia
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Strategy and Simulation with Iron Sky: Invasion.
Spacebase Startopia captivates with its original mixture of economic simulation and empire building strategy paired with classic RTS skirmishes and a good dose of humor.
- 3
Battlezone 98 Redux
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Action and Strategy with Iron Sky: Invasion.
One of the greatest sci-fi strategy games of all time returns with remastered visuals, online multiplayer and near unlimited mod content from Steam Workshop. Experience thrilling first person action and acclaimed RTS in this explosive alternate vision of the 1960s space race.
- 4
Serious Sam II
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Action with Iron Sky: Invasion.
Serious Sam II is a shot of adrenaline to the hearts of first-person shooter fans across the world. This is serious!
- 5
The Deadly Tower of Monsters
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Action with Iron Sky: Invasion.
Fire up your ray guns, crystal swords, and laser whips, and get ready for thrills and chills! With three incredible movie stars playing out decidedly B-level sci-fi exploits, Dick Starspeed, Scarlet Nova, and Robot will have you ready to jump off the side of the tower—right into adventure!
- 6
AI War: Fleet Command
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Strategy with Iron Sky: Invasion.
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
- 7
Orcs Must Die!
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Action and Strategy with Iron Sky: Invasion.
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
- 8
Far Cry 3 - Blood Dragon
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Action with Iron Sky: Invasion.
Far Cry® 3: Blood Dragon is THE Kick-Ass Cyber Shooter.Welcome to an 80’s vision of the future. The year is 2007 and you are Sargent Rex Colt, a Mark IV Cyber Commando. Your mission: get the girl, kill the baddies, and save the world.
- 9
Serious Sam 4
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Action with Iron Sky: Invasion.
Serious Sam 4 reignites the classic FPS series in a high-powered prequel loaded with an explosive arsenal, intergalactic carnage, and perfectly timed one-liners.
- 10
Mass Effect (2007)
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Action with Iron Sky: Invasion.
As Commander Shepard, you lead an elite squad on a heroic, action-packed adventure throughout the galaxy.
- 11
Fighter X Fighter
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Action with Iron Sky: Invasion.
Punch and kick! Live in fighting! Choose skills and strengthen talents to conquer various levels and enemies.
- 12
Battlestar Galactica Deadlock
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Strategy with Iron Sky: Invasion.
In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival?
- 13
STAR WARS™ X-Wing vs TIE Fighter - Balance of Power Campaigns™
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Action and Simulation with Iron Sky: Invasion.
Real-time against real pilots; this is Star Wars space combat as it was meant to be! Featuring challenging real-time dogfights of 2 to 8 players, Star Wars™: X-Wing vs. TIE Fighter is one of the most historically significant space combat simulators ever made.
- 14
KnightShift
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Strategy with Iron Sky: Invasion.
Do you like Real Time Strategy? or are Role Playing Games your preference…Why not try both genres in one? … or even both separately? …In one game: KnightShift!In a mystical world beyond fantasy and imagination, where corruption and disaster go hand in hand, not all is as it seems.
- 15
World War III: Black Gold
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Strategy with Iron Sky: Invasion.
Actual Armies. Actual Weapons. Actual Political Issues.World War III - Black Gold takes the player to the near future. The political crisis has been going on for months, leading to worldwide turmoil. A secret conference of the UN Central Geological Commission reveals that worldwide oil reserves have reached dangerously low levels: Oil...
- 16
3SwitcheD
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required.
Be careful! This Game is addictive! You won´t find more challenges, more speed, more fun and more treasures anywhere in the known Universe!3SwitcheD™ combines classical Gameplay with fascinating new technologies. Find yourself in a new World arcade gaming.
- 17
Heli Heroes
Single-player alternative to Iron Sky: Invasion — playable solo, no multiplayer required. Shares Action with Iron Sky: Invasion.
HELI HEROES updates the old-school "shoot'em up" arcade machine games to new dimensions on today's PCs. You command an AH-64 Apache Longbow or a Russian Hokum helicopter. The goal is to fly through various levels and carry out the mission objectives.