Single-player games like Horizon of Horus
Below are 8 single-player Steam games similar to Horizon of Horus, 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 Horizon of Horus page.
Ranked picks
- 1
Defender Of Falyndor
Single-player alternative to Horizon of Horus — playable solo, no multiplayer required. Shares Action and Strategy with Horizon of Horus.
Defender OF Falyndor is a First-Person Tower Defense game in Virtual Reality! Take control of your character, towers, and much more to protect Falyndor from waves of invasions to become the ultimate Defender of Falyndor!
- 2
Captain ToonHead vs the Punks from Outer Space
Single-player alternative to Horizon of Horus — playable solo, no multiplayer required. Shares Action and Strategy with Horizon of Horus.
Ever wanted to beat a T-Rex up with a chancla, while building powerful towers that shoot piñatas, hot sauce and heat-seeking fireworks? Captain ToonHead is the VR tower defense game of your cartooniest dreams.
- 3
Ultimate Wall Defense Force
Single-player alternative to Horizon of Horus — playable solo, no multiplayer required. Shares Action with Horizon of Horus.
Ultimate Wall Defense Force is a single-player, action game made for VR. Fly into a superhero fantasy inspired by outrageous anime fights. Defend The Wall and destroy an onslaught of enemy Geodites by yielding ultimate abilities in the palms of your hands.
- 4
Cosmic Trip
Single-player alternative to Horizon of Horus — playable solo, no multiplayer required. Shares Action and Strategy with Horizon of Horus.
Cosmic Trip is an award-winning real-time strategy VR game. Build a base, command a flying drone army, and attack/defend hostile enemies on strange alien planets.
- 5
Out of Ammo
Single-player alternative to Horizon of Horus — playable solo, no multiplayer required. Shares Action and Strategy with Horizon of Horus.
Out of Ammo is an intense VR Tower Defense / FPS hybrid strategy game that will have you constructing defenses, calling in artillery, issuing orders, and taking direct control of your soldiers in order to survive a relentless enemy onslaught.
- 6
PunjiVR: The Vietnam War
Single-player alternative to Horizon of Horus — playable solo, no multiplayer required. Shares Action and Strategy with Horizon of Horus.
PunjiVR is an unforgiving tactical shooter set during the Vietnam War. Gameplay is non-linear, replayable, and intense. This is not just "another VR shooter" or a tech demo. The jungle wants you dead, will you give in?
- 7
Out of Ammo: Death Drive
Single-player alternative to Horizon of Horus — playable solo, no multiplayer required. Shares Action and Strategy with Horizon of Horus.
Death Drive is the apocalyptic sequel to Out of Ammo, a hybrid VR Tower Defense / FPS strategy game. Embark on a wild road trip developed exclusively for VR. Build defenses, scavenge scrap and and kill undead zombie hordes using an arsenal of firearms, melee weapons and mounted defenses.
- 8
Guardians Frontline
Single-player alternative to Horizon of Horus — playable solo, no multiplayer required. Shares Action and Strategy with Horizon of Horus.
Guardians Frontline is a sci-fi VR shooter that makes you a soldier and a commander. Fight off enemies and build bases in a single-player and co-op campaign, plus PvP game modes with full cross-play support.