Single-player games like 666: El día del portal
Below are 9 single-player Steam games similar to 666: El día del portal, 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 666: El día del portal page.
Ranked picks
- 1
Strike Force Commando
Single-player alternative to 666: El día del portal — playable solo, no multiplayer required. Shares Action with 666: El día del portal.
Space action adventure set in a desolate world in 2099.
- 2
Killer Bee
Single-player alternative to 666: El día del portal — playable solo, no multiplayer required. Shares Action with 666: El día del portal.
KILLER BEE is an fast-paced Run & Gun action-strategy game where you take on high-stakes freelance contracts to escort valuable cargo across dangerous, monster-filled territories. Choose your risky routes wisely, and prove that you can deliver when every mile counts.
- 3
GAT RAT
Single-player alternative to 666: El día del portal — playable solo, no multiplayer required. Shares Action with 666: El día del portal.
A rat with a massive arsenal. Cook up your favorite combination of guns, spells, and perks to casually annihilate your enemies throughout the realms.
- 4
Pixel Waifu: Escape from the dark corporation. The telepathic power of a lovestruck otaku
Single-player alternative to 666: El día del portal — playable solo, no multiplayer required. Shares Action with 666: El día del portal.
Miguel Bolaños, a 24-year-old teenager, embarks on the adventure of a lifetime. To do so, he must rescue an alien trapped in an evil corporation. Face hordes of inept scientists and underpaid office workers in a pixel art odyssey filled with action and absurd humor.
- 5
Shoot Giant Robots and Wallrun
Single-player alternative to 666: El día del portal — playable solo, no multiplayer required. Shares Action with 666: El día del portal.
Mow down an endless horde of robots, flying through hand-crafted arenas at breakneck speeds in an FPS adrenaline rush.
- 6
Relentless Impetus
Single-player alternative to 666: El día del portal — playable solo, no multiplayer required. Shares Action with 666: El día del portal.
Classic FPS gameplay with exploration
- 7
The Dream
Single-player alternative to 666: El día del portal — playable solo, no multiplayer required. Shares Action with 666: El día del portal.
The Dream is a minimal extraction adventure game, enter a dystopian vision in a post world war 3 set in Barcelona 2033. Survive, explore and clean the radioactive AI slop in Barcelona . Warning there is AI dropping slop everywhere, join the heroes of the plaza and save the city
- 8
Carbon Rain
Single-player alternative to 666: El día del portal — playable solo, no multiplayer required. Shares Action with 666: El día del portal.
Explore a beautiful yet dangerous post-apocalyptic pixel-art world. Step out of your bunker, battle mutated creatures, gather resources, upgrade your oxygen reserves and weapons, and push deeper into new, increasingly dangerous biomes.
- 9
Sir Quest and the Temple of Apollo
Single-player alternative to 666: El día del portal — playable solo, no multiplayer required. Shares Action with 666: El día del portal.
3D action adventure where a treasure hunter medieval knight will delve into a greek mysterious temple in search of the flying artifact which, according to mythology, Daedalus used to escape from the Labyrinth of Minotaur.