Single-player games like Planets Under Attack
Below are 17 single-player Steam games similar to Planets Under Attack, 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 Planets Under Attack page.
Ranked picks
- 1
Earth 2150 Trilogy
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy with Planets Under Attack.
Your heroes and your armies will need strong leadership to take them on a spellbinding odyssey that has everything a gamer’s heart could wish for breathtaking worlds in space, battles against cunning enemies and even downright treason from your own government faction - are you up to it?
- 2
Battlefleet Gothic: Armada 2
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy with Planets Under Attack.
Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.
- 3
Battlezone: Combat Commander
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy with Planets Under Attack.
Battlezone: Combat Commander remasters FPS-RTS classic Battlezone II with slick new visuals, brand new achievements, Steam Workshop support and much more! The solar system is at war. Take command.
- 4
Earth 2160
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy with Planets Under Attack.
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.
- 5
Planetary Annihilation: TITANS
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Planets Under Attack.
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!
- 6
Executive Assault 2
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Planets Under Attack.
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
- 7
DG2: Defense Grid 2
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Planets Under Attack.
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.
- 8
Sins of a Solar Empire II
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy with Planets Under Attack.
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
- 9
Eufloria HD
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Planets Under Attack.
Experience the celebrated strategy gameplay of Eufloria HD. Conquer asteroids in space and use their resources to grow floral creatures that do your bidding. Expand your empire and fight against several teams of AI opponents that all vie for the same resources and can offer fierce opposition.
- 10
R.O.O.T.S
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Planets Under Attack.
R.O.O.T.S is a real-time strategy game that pits the player against colorful yet invasive enemies that must be overtaken before the player themselves is uprooted! Warfare has never been so beautifully unorthodox.
- 11
Hard Truck Apocalypse / Ex Machina
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required.
In a post-apocalyptic wasteland of diesel and dust, bandits and mobsters rule the last remaining cities, controlling all vital trade routes and destroying any hope of a return to a lawful world.
- 12
BlazeRush
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Indie with Planets Under Attack.
BlazeRush is a dynamic arcade racing survival game with no health, no levelling and no brakes! You can assemble a team of friends to play in local or online multiplayer, choose a car to your taste and chase, blow up and cut off! Adapt your style and tactics to new enemies, obstacles and tracks.
- 13
Hard Truck Apocalypse: Rise Of Clans / Ex Machina: Meridian 113
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required.
Hard Truck Apocalypse: Rise of Clans - is an addon to a vehicular Action/RPG set in an alternate future. New heroes and mysteries await you in the vistas of a post-apocalyptic North America.
- 14
Battle vs Chess
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy with Planets Under Attack.
Commanders, assemble your armies! BATTLE vs. CHESS calls for an interactive feather duster, chartering the successful chess game principle into the present day multimedia world. Animated fantasy figurines assemble in magical worlds and await your command!
- 15
Insane 2
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required.
Features traditional time trial mode and 9 other game modes, including the popular “Capture the flag”, “Gate hunt” and “Pathfinder”.
- 16
Hard Truck Apocalypse: Arcade / Ex Machina: Arcade
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required.
Hard Truck Apocalypse: Arcade/Ex Machina Arcade - is the races through the deserted prairies and canyons of northern America, infected by a fatal virus. You are to find the reasons of the global catastrophe described in the original game Hard Truck: Apocalypse.
- 17
Battle Mages
Single-player alternative to Planets Under Attack — playable solo, no multiplayer required. Shares Strategy with Planets Under Attack.
There is a world which needs your defense. You are the young mage that has just graduated the mages school and you must pass through several hard tests to become a decent defender.