Single-player games like Spectrum Forces
Below are 16 single-player Steam games similar to Spectrum Forces, 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 Spectrum Forces page.
Ranked picks
- 1
Earthion
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
Earthion is a side-scrolling space shooter developed natively for 16-bit systems. Guide space fighter pilot Azusa Takanashi in her fight to repel the alien invaders and save planet Earth.
- 2
Dead Space (2008)
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
You are Isaac Clarke, an engineer on the spacecraft USG Ishimura. You're not a warrior. You're not a soldier. You are, however, the last line of defense for the remaining living crew.
- 3
Lovers in a Dangerous Spacetime
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
Explore a neon galaxy in your very own battleship in this 1- to 4-player couch co-op adventure.
- 4
Beat Invaders
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
Beat Invaders is a Vertical Shoot 'Em Up Roguelite - Fight your way through enemy fleets, unlock skills, items, ships, and upgrade them in the next run. Enjoy the smooth neon visuals matching the pushing EDM soundtrack - The perfect game to unwind.
- 5
Void Scrappers
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
Blast hordes of alien ships into junk. Collect the scrap to upgrade your ship into an unstoppable force of destruction. Unlock new characters and weapons and upgrade your stats between runs.
- 6
Blazing Chrome
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
In Blazing Chrome, bring your best pal and kick some metal butts to free the humankind while enjoying a classic run’n’gun, fully loaded with action and exciting fights!
- 7
Valfaris: Mecha Therion
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
Therion returns as the hunt for Lord Vroll continues. Pilot an advanced machine of death and destruction in this explosive 2.5D side-scrolling shoot ‘em up, and sequel to the critically acclaimed Valfaris. Strap in and unleash mecha hell!
- 8
Astebreed: Definitive Edition
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
Climb into the cockpit of an otherworldly war machine and fly into battle against a horrifying alien race bent on eradicating humanity to preserve their own civilization.
- 9
Shotgun King: The Final Checkmate
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
Chess, but you replace your entire army with a royal shotgun. A unique strategy roguelike based on the timeless checkboard classic.
- 10
The Wratch's Den
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required.
A byte-sized Dungeon Keeping roguelike: dig out your lair, populate it with monsters and protect the Wratch from heroes come for easy prestige.
- 11
MOONPONG: Tales of Epic Lunacy
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
Psychedelic Roguelite Pong 'em up where you go to bring back the Moon. A crazy, addictive, and hilarious arcade-action game based on the granddad of all video games.
- 12
Metavaxx
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
The world's first minesweeper shooter. Identify infected cells, peacefully clear your way around them... or shoot 'em down and face the consequences.
- 13
Scavenger of Dunomini
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
The world's first match-3 trash pile defender! Protect and manage your pile of garbage while recycling it into deadly defenses against thieving drones.
- 14
Rush for the Ages
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required.
Remake history and race your opponents for a complete and glorious timeline in this lightning-fast card game.
- 15
Ecstatic
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
Rave spider goes to the bullet-hell ball: shoot rockets out of your butt, dodge and destroy waves upon waves of drones, slow down time whenever you don't move.
- 16
Pigments
Single-player alternative to Spectrum Forces — playable solo, no multiplayer required. Shares Action with Spectrum Forces.
Be a fruit locked in a room, dodge circular saws and paint as much of the level as you can.