Single-player games like Horizons Light
Below are 8 single-player Steam games similar to Horizons Light, 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 Horizons Light page.
Ranked picks
- 1
HEARTS OF COLD - REDEMPTION
Single-player alternative to Horizons Light — playable solo, no multiplayer required. Shares Action and Indie with Horizons Light.
Hearts of Cold is a story driven, futuristic, open world, first person-third person Shooter, set in a wide range of varied environments with fast paced, intensive action interspersed with moments of calm and adventure.
- 2
Mind Space
Single-player alternative to Horizons Light — playable solo, no multiplayer required. Shares Action and Indie with Horizons Light.
FPS with rpg elements. Made by one solo indie game developer.
- 3
The Future Project
Single-player alternative to Horizons Light — playable solo, no multiplayer required. Shares Action and Indie with Horizons Light.
Take control of an AI soldier, explore planets, and partake in fast paced combat in The Future Project, a first person metroidvania. Explore distinct worlds, obtain new weapons and abilities, and defeat powerful enemies in humanity's quest to journey the stars.
- 4
Undead Space
Single-player alternative to Horizons Light — playable solo, no multiplayer required. Shares Action and Indie with Horizons Light.
SPACE - FEAR, AND NO ONE WILL HELP YOU ............. A mix of horror and complete hopelessness. Explore dark corridors, isolated research modules, and abandoned Martian complexes. Here, you are completely alone, surrounded by the undead. Survive by immersing yourself in cosmic SURVIVAL HORROR.
- 5
Xeno Shooter
Single-player alternative to Horizons Light — playable solo, no multiplayer required. Shares Action and Indie with Horizons Light.
Xeno Shooter is a action shooter arena game! You play as a space cadet who travels to Andromeda with the mission of defeating the Primordials and thus, achieving a new home for humanity.
- 6
Crysis Warhead®
Single-player alternative to Horizons Light — playable solo, no multiplayer required. Shares Action with Horizons Light.
Pulse-racing new installment from 2007's PC Game of the Year*: Play as Sergeant Sykes and experience a whole new side of the battle. A standard combat mission behind enemy lines becomes critical when you discover your enemies have captured something of vital importance to the ensuing war.
- 7
High On Life 2
Single-player alternative to Horizons Light — playable solo, no multiplayer required. Shares Action and Adventure with Horizons Light.
An intergalactic conspiracy threatens the fate of humanity! Team up with a wide cast of talking alien guns as you shoot, stab, and skate your way through the exotic locales to take down the bad guys and save your favorite species (humans)!
- 8
Prey
Single-player alternative to Horizons Light — playable solo, no multiplayer required. Shares Action and Adventure with Horizons Light.
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.