Games like Relentless Frontier
If Relentless Frontier is your kind of game, the closest matches are Mekkablood: Quarry Assault, LvL50 and Off Axis — picked from the ranked list below. Reviewers single out its metroidvania secrets reward exploration, atmospheric and challenging. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Relentless Frontier: Relentless Frontier is a fast paced sci-fi FPS running on the GZDoom Engine, with a strong focus on mobility, strategy, and exploration. Use your Omnistruct to replicate new weapons and abilities to help you traverse the terrain and demolish threats, while escaping from Ross 128-b in one piece.

Players who liked Relentless Frontier also play
Steam players who put hours into Relentless Frontier also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Mekkablood: Quarry Assault
WHY THIS
Top pick for Relentless Frontier fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Relentless Frontier.
The Year is 2082. You play the role of Bill, a grizzled, and extremely hairy robojockey. It's up to you to take the reigns of Bill's Mekk, with your friend Rusty, to get your revenge against TorxCorp, who's trying to steal your mining claim.
LvL50
WHY THIS
Second-strongest match for Relentless Frontier fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Relentless Frontier.
KILL. DIE. LEARN. LvL50 is a fast-paced first-person shooter where you need to beat 50 levels, in a row, without getting hit. Can you become a master and escape the lab?
Off Axis
WHY THIS
Third-strongest match for Relentless Frontier fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Relentless Frontier.
An action-packed sci-fi FPS set aboard a massive spaceship, where unstable gravity changes the way you fight and the environment becomes a weapon against your enemies.
1000-Carat Organs
WHY THIS
Ranked #4 for Relentless Frontier fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Relentless Frontier.
An FPS that combines realistic controls with simple anime-style graphics. Play as a special government agent and use a range of firearms to take down mutants and illegal organizations.
It Could Be Worse
WHY THIS
Ranked #5 for Relentless Frontier fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Relentless Frontier.
Speed bends time. Build momentum with weapons designed for movement to slow the world around you and tear through enemies at superhuman velocity.
Selaco
WHY THIS
Shares an atmospheric mood with Relentless Frontier.
Ranked #6 for Relentless Frontier fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Relentless Frontier.
Selaco is a brand new original shooter inspired by classics, featuring thrilling action set pieces, destructibility, smart enemies and a fleshed out story taking place within an immersive game world.
RIFTFALL
WHY THIS
Ranked #7 for Relentless Frontier fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Relentless Frontier.
HELL DIDN'T CLOSE. IT EVOLVED. A fast, brutal retro indie FPS raised on the 90s classics: a 20-level campaign, 4 heavy weapons with alt-fires, 21 enemy types, colossal bosses, AI squadmates, permanent upgrades, skull keys and secrets. Completely free, no in-game purchases. Epic soundtrack!
CTRLSINK
WHY THIS
Ranked #8 for Relentless Frontier fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Relentless Frontier.
A submerged post-apocalyptic retro-style FPS set in a world swallowed by the ocean after a human/AI war. Blast through flooded facilities, battle corrupted machines, explore radioactive ruins, and uncover the last buried secrets of humanity’s collapse.
Reviewers mention these as similar to Relentless Frontier
Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.
Quake
WHY THIS
Shares an atmospheric mood with Relentless Frontier.
Reviewers of Relentless Frontier cross-mention this title as a similar play. Shares Action with Relentless Frontier.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
Quake II
WHY THIS
Shares a challenging mood with Relentless Frontier.
Reviewers of Relentless Frontier cross-mention this title as a similar play. Shares Action with Relentless Frontier.
You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.
Selaco
WHY THIS
Shares an atmospheric mood with Relentless Frontier.
Reviewers of Relentless Frontier cross-mention this title as a similar play. Shares Action and Indie with Relentless Frontier.
Selaco is a brand new original shooter inspired by classics, featuring thrilling action set pieces, destructibility, smart enemies and a fleshed out story taking place within an immersive game world.
HeXen II
WHY THIS
Shares a challenging mood with Relentless Frontier.
Reviewers of Relentless Frontier cross-mention this title as a similar play. Shares Action with Relentless Frontier.
The Four Horsemen of the Apocalypse lurk in the shadows before you. They are Death, Pestilence, Famine, and War. They are the root of all that is evil, but the least of your worries. The last of the three Serpent Riders yet lives.
DOOM
WHY THIS
Shares an immersive mood with Relentless Frontier.
Reviewers of Relentless Frontier cross-mention this title as a similar play. Shares Action with Relentless Frontier.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.
Cheaper alternatives
Games in the same vein priced at least 40% below Relentless Frontier at current Steam store prices.
Garry's Mod
WHY THIS
Priced ~67% under Relentless Frontier on Steam right now. Shares Indie with Relentless Frontier.
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Vampire Survivors
WHY THIS
Priced ~67% under Relentless Frontier on Steam right now. Shares Action and Indie with Relentless Frontier.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
R.E.P.O.
WHY THIS
Priced ~53% under Relentless Frontier on Steam right now. Shares Action and Early Access with Relentless Frontier.
An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.
PEAK
WHY THIS
Priced ~47% under Relentless Frontier on Steam right now. Shares Action and Indie with Relentless Frontier.
PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?
Titanfall® 2
WHY THIS
Priced ~70% under Relentless Frontier on Steam right now. Shares Action with Relentless Frontier.
Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.
Slay the Spire
WHY THIS
Priced ~58% under Relentless Frontier on Steam right now. Shares Indie with Relentless Frontier.
We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!
Inscryption
WHY THIS
Priced ~47% under Relentless Frontier on Steam right now. Shares Indie and Adventure with Relentless Frontier.
Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...
Cookie Clicker
WHY THIS
Priced ~67% under Relentless Frontier on Steam right now. Shares Indie with Relentless Frontier.
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Doki Doki Literature Club!
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Relentless Frontier.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Relentless Frontier.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
ENA: Dream BBQ
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Relentless Frontier.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
Indigo Park: Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Relentless Frontier.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
STRAFTAT
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Relentless Frontier.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
The Looker
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Relentless Frontier.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
Sheepy: A Short Adventure
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Relentless Frontier.
A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.
Counter-Strike:Global Offensive
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Relentless Frontier.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
Narrow it down
Head-to-head comparisons
Frequently asked about Relentless Frontier
- Does Relentless Frontier run on Steam Deck?
- Relentless Frontier is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
- How much does Relentless Frontier cost?
- Relentless Frontier is listed on Steam at 14.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to Relentless Frontier?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Relentless Frontier are Mekkablood: Quarry Assault, LvL50, Off Axis.
- Who developed Relentless Frontier?
- Relentless Frontier was developed by Fission Ogre and published by Hellforge Studios.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Relentless Frontier.
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