Single-player games like C6: Frontlines
Below are 8 single-player Steam games similar to C6: Frontlines, 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 C6: Frontlines page.
Ranked picks
- 1
Space Show edition 17
Single-player alternative to C6: Frontlines — playable solo, no multiplayer required. Shares Action and Indie with C6: Frontlines.
Space Show is an explosive space shoot’em up blending fast-paced arcade action with roguelite progression. Destroy waves of asteroids, battle enemy fleets, and defend Earth in an endless war where only survival… and glory matter!
- 2
ANVIL
Single-player alternative to C6: Frontlines — playable solo, no multiplayer required. Shares Action with C6: Frontlines.
Take on the role of a Vault Breaker in search of alien artifacts called “Vaults” and fight against monsters and powerful bosses. You can strengthen your Breakers to explore far-away galaxies that no one has ever reached!
- 3
SYNTHETIK 2
Single-player alternative to C6: Frontlines — playable solo, no multiplayer required. Shares Action and Indie with C6: Frontlines.
SYNTHETIK 2 is a unrelenting tactical-shooter rogue-lite. Play alone or with friends. Loot powerful tech. Experience the next level in gun-play. Upgrade your androids to rival the machine gods!
- 4
Gatekeeper
Single-player alternative to C6: Frontlines — playable solo, no multiplayer required. Shares Action and Indie with C6: Frontlines.
Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper!
- 5
Killsquad
Single-player alternative to C6: Frontlines — playable solo, no multiplayer required. Shares Action and Indie with C6: Frontlines.
Hack and slash? Check. Twin-stick-shooter? Check. 4 player coop to slay hordes of aliens & bosses with your friends? Check. Skills, upgrades, weapons, gears, talismans and more to make you stronger? Check. Wake up, bounty hunter. We have a mission for you. Time to clean up the scum of the galaxy.
- 6
X Invader
Single-player alternative to C6: Frontlines — playable solo, no multiplayer required. Shares Action and Strategy with C6: Frontlines.
X Invader is an action roguelite where you hack into big corporations' servers. Use add-ons from fellow hackers to defeat monsters. Powerful, cute bosses guard these servers!
- 7
Rogue: Genesia
Single-player alternative to C6: Frontlines — playable solo, no multiplayer required. Shares Action and Strategy with C6: Frontlines.
Walk upon a new world and slay foes endangering it. Rogue : Genesia is an action rogue-lite game, where you fight relentless hordes consisting of hundreds and thousands of monsters, make your build, break the balance, defeat bosses and save one of the many worlds.
- 8
Mega City Force
Single-player alternative to C6: Frontlines — playable solo, no multiplayer required. Shares Action and Indie with C6: Frontlines.
Retrowave Action Roguelike featuring tough agents battling crime to the electrifying music of artists like Droid Bishop, Timecop1983, and more! Choose your agent and dive into hardcore action against enemies and bosses, utilizing a vast arsenal and special abilities that will define your playstyle