Single-player games like orbital defence unit
Below are 8 single-player Steam games similar to orbital defence unit, 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 orbital defence unit page.
Ranked picks
- 1
Tartaron
Single-player alternative to orbital defence unit — playable solo, no multiplayer required. Shares Action and Indie with orbital defence unit.
Tartaron is top-down shooter with an old-school art style and a variety of levels to beat. Engage in close-range combat, or snipe your enemies from afar, it's up to you.
- 2
LASERVASION
Single-player alternative to orbital defence unit — playable solo, no multiplayer required. Shares Action and Indie with orbital defence unit.
Retro arcade inspired shoot 'em up with addictive combat.
- 3
WitchTrial
Single-player alternative to orbital defence unit — playable solo, no multiplayer required. Shares Action and Indie with orbital defence unit.
WitchTrial is a fast single-player twin-stick arena roguelite. Dodge murderous sawblade formations, fight escalating enemy waves, and turn the arena’s traps against your executioners. Survive each day, endure nightly interrogations, and build a deadly combination of upgrades.
- 4
Be The ONE
Single-player alternative to orbital defence unit — playable solo, no multiplayer required. Shares Indie and Casual with orbital defence unit.
You are the last survivor. Your friends and allies got killed during a raid. Can you survive the endless waves of enemies?
- 5
Super Station Swarm
Single-player alternative to orbital defence unit — playable solo, no multiplayer required. Shares Action and Indie with orbital defence unit.
A space station, infinite waves, and a screen full of vector geometry trying to kill you. Your turrets auto-fire. Your satellites orbit. This is bullet-hell-yeah. In-game and permanent upgrades. 17 upgrade types across 9 weapon classes. Play, upgrade, repeat.
- 6
Wizard Blaster
Single-player alternative to orbital defence unit — playable solo, no multiplayer required. Shares Action and Indie with orbital defence unit.
Wizard Blaster is a top-down time survival roguelite where you play as a wizard. Use magic to fight off hordes of evil. Choose from different characters and abilities to survive.
- 7
CowboysShowdown
Single-player alternative to orbital defence unit — playable solo, no multiplayer required. Shares Action and Indie with orbital defence unit.
Cowboys Showdown is a platforming shooter with waves of enemies, bounty hunters and high-ranking criminals who will be well paid to kill. Boxes with bonuses and the ability to buy new weapons will help you in your hard work. Game Features: - hardcore - Pleasant musical accompaniment -Pixel Art
- 8
Stickplosion
Single-player alternative to orbital defence unit — playable solo, no multiplayer required. Shares Action and Indie with orbital defence unit.
Stickplosion is a fast, chaotic 2D pixel-art brawler where the arena fights back. Blast, build, and bury rivals in fully destructible terrain across free-for-all and team battles. Draft a new ability every round, invite friends through Steam, and craft your own maps.