Single-player games like Halo: Spartan Strike
Below are 13 single-player Steam games similar to Halo: Spartan Strike, 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 Halo: Spartan Strike page.
Ranked picks
- 1
Halo: Spartan Assault
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *
- 2
Alien Breed 3: Descent
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
Experience the final explosive chapter in the Alien Breed series and uncover the horrifying truth surrounding the existence of the Breed. Launch discount good thru Nov. 24 10am PST.
- 3
Alien Breed 2: Assault
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
Can you survive the alien onslaught? Gamers across the world will now have a chance to play the next chapter in this high-budget, high-quality series.
- 4
ANIQUILATION
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
Twin Stick Shooter Multiplayer Action Game set in small planets that can be terraformed as you play! in which not only your shoots, but also the enemies and planet environment are your weapon!
- 5
Alien Breed: Impact
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.
- 6
GUNPIG: Firepower For Hire
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
Sci-fi top-down twin-stick shooter with 9 weapons, 3 alts and secret hidden collectibles!
- 7
Cyber Avenger
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
Cyber Avenger is a top-down action game where you take on the role of a highly skilled covert operative on a dangerous mission to stop a group of terrorists. You must navigate through five maps, facing a variety of enemies, including shotgunners, snipers, melee fighters, kamikazes, and more.
- 8
X-Morph: Defense
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
- 9
Halo Wars: Definitive Edition
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required.
Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.
- 10
Halo: The Master Chief Collection
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience.
- 11
Halo 3 Mod Tools - MCC
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
- 12
Halo 2 Anniversary MP Mod Tools - MCC
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.
- 13
Halo 4 Mod Tools - MCC
Single-player alternative to Halo: Spartan Strike — playable solo, no multiplayer required. Shares Action with Halo: Spartan Strike.