Single-player games like Frontier - TRS
Below are 14 single-player Steam games similar to Frontier - TRS, 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 Frontier - TRS page.
Ranked picks
- 1

Remnants of the Dawn
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
40 years in the future, after AI destroyed the world, a post-apocalyptic society lives hidden in the shadows knowing little of what came before. Venture down into a dark laboratory, fight your way past killer creatures, a maze of sinister traps, and evil AI to save the human race.
- 2

RUINER
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
RUINER is a brutal action shooter set in the year 2091 in the cyber metropolis Rengkok. A wired psychopath lashes out against a corrupt system to uncover the truth and retrieve his kidnapped brother under the guidance of a secretive hacker friend.
- 3

Die Bloody Nazi Die!
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
Die Bloody Nazi Die! is 2D CASUAL twin stick shooter randomly generated dungeon crawler with rougue-lite elements. Follow the alien named Kin in his fight to free Sirel, his love, and defeat the regime!
- 4

DEATHPIT 3000
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
Fight waves of enemies in a sci-fi arena bullet-hell shooter, with up to four friends in multiplayer co-op. Upgrade weapons and equipment and unleash powerful abilities against hordes of distinct and deadly enemies to claim the championships!
- 5

Strain Tactics
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
Strain Tactics is a real-time-with-pause tactical game, where you command a squad of soldiers to liberate earth from an alien infestation. Using your helibase, deploy your custom squad and provide air support. Remember to keep your crew sane and motivated while staying clear of alien contamination!
- 6

Deadstone
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
Based on the inhospitable frontier world of Mars, against the backdrop of a bacterial outbreak, Deadstone offers a compelling blend of frantic combat and tower defense, backed by a highly nuanced character development system and strategic elements of resource management.
- 7

G2 Fighter / 基因特工
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
G2 FIGHTER is a Low Poly, third-person ARPG. Gameplay includes not only fast-paced shooting, but also role play, team fight, base construction and so many other elements. Step on unknown journey with Bern Pierron to seek for the truth of this chaos world.
- 8

Trident's Wake
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
Trident's Wake is an intense co-operative twin-stick shooter in an unforgiving sci-fi setting. Join up to three other players to take back humanity's last hope - the colony ship code-named Trident – from an unknown race of alien invaders!
- 9

Urban Justice
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
Urban Justice is a side scroller fighting game inspired by the genre's classics like Final Fight and Streets of Rage. The game offers a fast paced, casual gameplay that puts players in Riverden, a city being torn apart by gangs, hooligans and corrupted government.
- 10

Medieval - Embers of War
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
Medieval - Embers of War is a side scroller fighting game. The game offers a fast paced, casual gameplay that puts players in a fantasy world where the land is being torn apart by conflict. Players will take on adventures, epic rivals and control of their own castle.
- 11

Desolation - End of Days
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
Desolation - End of Days is a side scroller fighting game. The game offers a fast paced, casual gameplay that puts players in a post-apocalyptic world where infection turned most of the population into a flesh craving monsters.
- 12

Girls Guns and Zombies
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
Girls Guns & Zombies is exactly that, girls with guns shooting zombies. While, having some poolside fun in between. Scavenge the ruined city overrun by the undead, collect resources and throw a party for the girls!
- 13

Sleight of Hand: Dynasty
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Indie and Casual with Frontier - TRS.
A realm torn by war. Muster an army and combat your enemies on the battlefield in this epic card game. Play your hand right and claim your spoils of war.
- 14

M.E.R.C. Genesis
Single-player alternative to Frontier - TRS — playable solo, no multiplayer required. Shares Action and Indie with Frontier - TRS.
Get ready to experience high-octane Sci-Fi horror with "M.E.R.C Genesis". Embark on a journey that pushes the boundaries of fear, survival, and discovery. Can you withstand the darkness that awaits?