Single-player games like Simulacrum
Below are 8 single-player Steam games similar to Simulacrum, 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 Simulacrum page.
Ranked picks
- 1

Void Daggers
Single-player alternative to Simulacrum — playable solo, no multiplayer required. Shares Action with Simulacrum.
One touch kills you. Your timer is your score. Neon wireframe horrors swarm from infinite darkness. Shatter them, harvest their essence, forge your daggers through 5 tiers of devastation. Bunny hop the void. Dagger jump to survive. Prove your skill on Steam leaderboards. For fans of Devil Daggers.
- 2

TICKDOWN
Single-player alternative to Simulacrum — playable solo, no multiplayer required. Shares Action with Simulacrum.
TICKDOWN is a fast-paced FPS where you have two real-time hours to locate and defuse a weapon of mass destruction. Use the powers of Water, Earth, Fire, and Air to fight your way through hordes of deadly enemies to reach your objective.
- 3

CASCADE
Single-player alternative to Simulacrum — playable solo, no multiplayer required. Shares Action with Simulacrum.
CASCADE is a stylish first-person roguelite with a focus on blazingly fast movement. Slide from surface to surface, unlock and upgrade abilities and face otherworldly enemies and bosses, all while exploring a corrupted digital space. But don't forget: Always keep on moving!
- 4

hate.net
Single-player alternative to Simulacrum — playable solo, no multiplayer required. Shares Action with Simulacrum.
An abandoned arena shooter overtaken by bots. You are a mere passerby, a witness to a world that has long been lost to fake accounts and false advertisers. Thousands before you, and thousands after you.
- 5

Devil Daggers
Single-player alternative to Simulacrum — playable solo, no multiplayer required. Shares Action with Simulacrum.
Devil Daggers is a fast-paced shooter that places you in an abyssal arena to face endless legions of demons. Armed with versatile magic daggers and a fluid movement system, fight to survive as long as you can.
- 6

HYPER DEMON
Single-player alternative to Simulacrum — playable solo, no multiplayer required. Shares Action with Simulacrum.
HYPER DEMON is an FPS like no other. a pearl of lightning. a dream from the future. a drop of poison. a swan song. The faster you slay demons, the harder the game and the higher your score. There is an end. Will it see you?
- 7

Chippy
Single-player alternative to Simulacrum — playable solo, no multiplayer required. Shares Action with Simulacrum.
Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.
- 8

Boomerang X
Single-player alternative to Simulacrum — playable solo, no multiplayer required. Shares Action with Simulacrum.
Harness the power of a mystical boomerang to fling yourself through the air in this acrobatic arena shooter. Slice, fly, and blast through swarms of evil creatures on an abandoned island with a cryptic past. Stay agile or meet your doom.