Single-player games like Guardians of Orion (Phase 2)
Below are 12 single-player Steam games similar to Guardians of Orion (Phase 2), 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 Guardians of Orion (Phase 2) page.
Ranked picks
- 1
ORION: Prelude
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action and Indie with Guardians of Orion (Phase 2).
Work together to survive the devastating Dinosaur horde in huge, endless environments.
- 2
Arizona Sunshine®
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action with Guardians of Orion (Phase 2).
Sharpen your machete and grab your friends. Arizona Sunshine® brings its award-winning zombie apocalypse to explosive third-person action, featuring online and split-screen co-op, brutal combat, dark humor, and Buddy, your loyal zombie-chomping canine companion.
- 3
Crimsonland
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action and Indie with Guardians of Orion (Phase 2).
Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes.
- 4
Dawn of Survivor
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action and Indie with Guardians of Orion (Phase 2).
A third-person survivor roguelike game where waves of zombies come at you. By killing them, you get random opportunities to acquire equipment, weapons, and new skills. You can have up to 8 skills, giving you immense power. Come and see how far you can go!
- 5
Doomsday Hero
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action and Indie with Guardians of Orion (Phase 2).
This is a zombie shooting game, shooting zombies can help you relieve pressure, bring happiness.
- 6
Zombie Assault: Resurgence
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action and RPG with Guardians of Orion (Phase 2).
Zombie Assault: Resurgence is an intense, action packed top-down shooter, featuring deep RPG elements. Customise your loadout with unique upgradeable weapons as you gear up to take on hordes of enemies. Play solo or team up in co-op with up to 4 players.
- 7
Yet Another Zombie Defense HD
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action and Indie with Guardians of Orion (Phase 2).
Top-down zombie shooter with tower defense elements featuring up to 4 players local and online co-op. Build your base by day, defend it by night, put your skills to the test to stay alive as long as possible! Darkness is coming. How long can YOU survive?
- 8
Aliens: Fireteam Elite
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action and RPG with Guardians of Orion (Phase 2).
Aliens: Fireteam Elite is a cooperative third-person survival game set in the iconic Alien Universe. Battle through hordes of different types of Xenomorph, customize your character and gear, and level-up as you try to contain this ever-growing threat.
- 9
Titanfall® 2
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action with Guardians of Orion (Phase 2).
Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.
- 10
Killing Floor
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action with Guardians of Orion (Phase 2).
6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!
- 11
Call of Duty®: Black Ops II
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action with Guardians of Orion (Phase 2).
Pushing the boundaries of what fans have come to expect from the record-setting entertainment franchise, Call of Duty®: Black Ops II propels players into a near future Cold War
- 12
Destiny 2
Single-player alternative to Guardians of Orion (Phase 2) — playable solo, no multiplayer required. Shares Action with Guardians of Orion (Phase 2).
Destiny 2 is an action MMO with a single evolving world that you and your friends can join anytime, anywhere, absolutely free.