Single-player games like Planet R-12
Below are 9 single-player Steam games similar to Planet R-12, 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 Planet R-12 page.
Ranked picks
- 1
Antisquad
Single-player alternative to Planet R-12 — playable solo, no multiplayer required. Shares Action and Strategy with Planet R-12.
Widely known in small circles as AntiSquad, they are a military tactical response unit. These hardened military professionals, tired of bureaucracy, politics and serving the armed forces, have established a private paramilitary formation located in south United States.
- 2
Cannon Brawl
Single-player alternative to Planet R-12 — playable solo, no multiplayer required. Shares Action and Strategy with Planet R-12.
Cannon Brawl is action RTS and artillery hybrid. Pilot an airship, command powerful weapon emplacements and use the destructible terrain to out think and destroy your enemy! It's a new take on artillery strategy!
- 3
Missing Banban
Single-player alternative to Planet R-12 — playable solo, no multiplayer required. Shares Action and Indie with Planet R-12.
Grab your weapons and delve into this action side-scroller intense adventure. Jump around and explore the insane levels. Shoot and dodge your way through enemies. Fight to find your friend and solve the disappearance!
- 4
SurvivalZ
Single-player alternative to Planet R-12 — playable solo, no multiplayer required. Shares Action and Indie with Planet R-12.
A virus ravaged the planet, and you are one of the last survivors! Alone or in groups you will have to survive in a hostile world populated by living dead!
- 5
Earth Overclocked
Single-player alternative to Planet R-12 — playable solo, no multiplayer required. Shares Action and Indie with Planet R-12.
Earth Overclocked is a frantic rogue-lite adventure starring a scientist who is terrible at making time machines, but great at blasting bad guys. Use a diverse selection of weapons to fight off monsters while searching for pieces of your time machine in randomly generated environments.
- 6
Orcs Must Die!
Single-player alternative to Planet R-12 — playable solo, no multiplayer required. Shares Action and Strategy with Planet R-12.
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
- 7
Blazing Chrome
Single-player alternative to Planet R-12 — playable solo, no multiplayer required. Shares Action and Indie with Planet R-12.
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!
- 8
Gato Roboto
Single-player alternative to Planet R-12 — playable solo, no multiplayer required. Shares Action and Indie with Planet R-12.
Pounce inside of your cozy armored mech and set off on a dangerous trek through an alien underworld full of irritable creatures and treacherous obstacles in a valiant effort to save your stranded captain and his crashed spaceship.
- 9
METAL SLUG
Single-player alternative to Planet R-12 — playable solo, no multiplayer required. Shares Action with Planet R-12.
“METAL SLUG ”, the very first title in SNK’s legendary 2D run & gun action shooting game series where all began, returns to the missions on the Steam gaming platform!