Single-player games like Demonium Illusion
Below are 8 single-player Steam games similar to Demonium Illusion, 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 Demonium Illusion page.
Ranked picks
- 1
TICKDOWN
Single-player alternative to Demonium Illusion — playable solo, no multiplayer required. Shares Action and Indie with Demonium Illusion.
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.
- 2
Devil Daggers
Single-player alternative to Demonium Illusion — playable solo, no multiplayer required. Shares Action and Indie with Demonium Illusion.
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.
- 3
Boomerang X
Single-player alternative to Demonium Illusion — playable solo, no multiplayer required. Shares Action and Indie with Demonium Illusion.
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.
- 4
Putrefaction 2: Void Walker
Single-player alternative to Demonium Illusion — playable solo, no multiplayer required. Shares Action and Indie with Demonium Illusion.
Putrefaction 2: Void Walker is fast-paced, hardcore, arcade FPS, inspired by old-school shooters.
- 5
HELLBREAK
Single-player alternative to Demonium Illusion — playable solo, no multiplayer required. Shares Action and Indie with Demonium Illusion.
HELLBREAK is a fast-paced roguelite, survivor-like FPS where you fight through escalating waves in brutal arenas in Hell. Build powerful loadouts, earn favor from demon lords to unlock new gear, and climb the leaderboards for your salvation.
- 6
Strike Vector EX
Single-player alternative to Demonium Illusion — playable solo, no multiplayer required. Shares Action and Indie with Demonium Illusion.
Strike Vector EX is a competitive first-person aerial-combat game that satisfies every gamer’s dream of waging dizzying dogfights with super-powered aircraft. Bursting with mech-inspired ships, Ragequit’s game brings a story-based single-player campaign with characters, cutscenes and deadly AI.
- 7
Turbo Overkill
Single-player alternative to Demonium Illusion — playable solo, no multiplayer required. Shares Action and Indie with Demonium Illusion.
Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!
- 8
REAVER
Single-player alternative to Demonium Illusion — playable solo, no multiplayer required. Shares Action and Indie with Demonium Illusion.
REAVER is an ultra-fast-paced FPS that endows you with the mobility and weapon mechanics to reave through arenas of killer machines with grace and efficiency. Push the boundaries of speed and style in this next-gen movement-shooter.