Single-player games like Alpha Prime
Below are 12 single-player Steam games similar to Alpha Prime, 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 Alpha Prime page.
Ranked picks
- 1
Chaser
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
Mars, 2044. The UN establishes MARSCORP (Martian Security and Economics Committee) under the leadership of Samuel Longwood. In the years that follow, the UN gradually loses control of MARSCORP, mainly due to the non-transparent licence policy of its director.
- 2
Hard Reset Extended Edition
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
Over-the-top destruction, loads of enemies & a beautifully realized cyberpunk setting. Hard Reset is here to shake up the shooter scene. Try the demo now.
- 3
Alien Rage - Unlimited
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
Unleash a fury of powerful weapons as you blast your way through armies of Alien forces hell-bent on taking you down! Battle through 14 intense levels and prepare to face a barrage of beastly-sized bosses that will test your every skill. Each of your 10 weapons comes with two firing modes and you’ll need all of them!
- 4
Dead Effect
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
Fight for your life in the INDIE SCI-FI FPS game fit for both casual and hard-core gamers with a passion for hunting down hordes of zombies. Prepare yourselves for the incoming nightmare!
- 5
TimeShift™
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
Master time to become the ultimate weapon! Dr. Aiden Krone has made a Time Jump across the space-time continuum - a reckless act with frightening consequences. Now, a disturbing alternate reality has evolved within the bleak and rain-soaked Alpha District.
- 6
Half-Life 2
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.
- 7
Red Faction
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
JOIN THE REVOLUTION! Lured to Mars by the Ultor Corporation's promise of a better life, thousands have come to seek their fortune and work for the massive mining company. But all is not as it seems. A deadly plague is sweeping through the barracks, and miners suffer daily abuse at the hands of the Ultor guards.
- 8
Project: Snowblind
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
Experience the dramatic intensity of the frontlines of a war through the eyes of the first of a new breed of super soldiers in this gritty and epic first-person action game. An augmented super-soldier must stop a renegade regime from eradicating the civilized world. Hong Kong, 2065. 2nd Lt.
- 9
Half-Life
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
- 10
Quake 4
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
As part of the elite Rhino Squad, you must spearhead Earth’s military invasion of a hostile alien homeworld. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.
- 11
DOOM 3
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
A demonic invasion has overwhelmed the Union Aerospace Corporation's Mars research facility. As one of only a few survivors, you must fight your way to hell and back against a horde of demons in this award-winning horror/action FPS and reimagining of the original DOOM.
- 12
Haloo
Single-player alternative to Alpha Prime — playable solo, no multiplayer required. Shares Action with Alpha Prime.
Fight the endless mass of enemies, collect loot, get stronger and Haloo!