Games like ZERO PROTOCOL
If ZERO PROTOCOL is your kind of game, the closest matches are Eternity's Echo: Patient Zero, Dracula Awakens and Fossilfuel 2 — picked from the ranked list below. Reviewers single out its multiple endings encourage replayability, atmospheric and dark. 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 ZERO PROTOCOL: In this immersive sci-fi thriller, you will experience the atmosphere of classic 3D games as you solve puzzles, follow an intriguing non-linear storyline, and engage in battles with monsters.

Players who liked ZERO PROTOCOL also play
Steam players who put hours into ZERO PROTOCOL 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.
Eternity's Echo: Patient Zero
WHY THIS
Top pick for ZERO PROTOCOL fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with ZERO PROTOCOL.
As Rayne Williams, an elite agent of the D.I.B you were deployed into the zone. Your team is missing and you're surrounded by both paranormal nightmares and mercs. Guided by your partner Sam, you must survive this chaos and uncover the mystery of "Patient Zero".
Dracula Awakens
WHY THIS
Second-strongest match for ZERO PROTOCOL fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with ZERO PROTOCOL.
Kill monsters using your camera and solve puzzles as you try to survive Dracula himself in his castle in this retro-style survival horror game.
Fossilfuel 2
WHY THIS
Shares checkpoint based progression, inventory management and atmospheric with ZERO PROTOCOL.
Third-strongest match for ZERO PROTOCOL fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with ZERO PROTOCOL.
Turn up the volume, turn off the lights, and get ready for the definitive Jurassic survival horror experience. Pump your shotgun and put those dinos back where they belong... in the ground!
35MM
WHY THIS
Shares multiple endings and an atmospheric mood with ZERO PROTOCOL.
Ranked #4 for ZERO PROTOCOL fans by collaborative filtering across millions of Steam libraries.
Post-apocalyptic story about two travelers who set out on a long journey in the wasteland, left by people after the global epidemic.
My Friendly Neighborhood
WHY THIS
Shares puzzle solving, resource management and an atmospheric mood with ZERO PROTOCOL.
Ranked #5 for ZERO PROTOCOL fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with ZERO PROTOCOL.
Something scary is happening with everyone's favorite Saturday morning puppet show, The Friendly Neighborhood! Play as Gordon, a repairman sent to get to the bottom of this disturbing dilemma. Fend off puppets and solve puzzles in this survival horror adventure.
NEDRA
WHY THIS
Shares first person exploration, checkpoint system and atmospheric with ZERO PROTOCOL.
Ranked #6 for ZERO PROTOCOL fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with ZERO PROTOCOL.
NEDRA is a story-driven, atmospheric action-adventure blending survival horror with cosmic terror. Set in a Soviet-era Antarctic station, all the explorers have vanished without a trace, leaving you to uncover the chilling truth.
Those Who Remain
WHY THIS
Shares checkpoint based progression, puzzle solving and an atmospheric mood with ZERO PROTOCOL.
Ranked #7 for ZERO PROTOCOL fans by collaborative filtering across millions of Steam libraries. Shares Adventure with ZERO PROTOCOL.
As the lights go out, the embers of darkness are stoked in the sleepy town of Dormont. Confront uncomfortable horrors, keep your sanity in check and survive the night in this story-driven first-person psychological-thriller.
Death Park 2
WHY THIS
Shares multiple endings, puzzle solving and an atmospheric mood with ZERO PROTOCOL.
Ranked #8 for ZERO PROTOCOL fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with ZERO PROTOCOL.
Shoot terrifying monsters and a killer clown in a haunted city full of nightmares. Explore 8 locations, solve puzzles, switch between dream and reality, and make choices that shape your escape. Death Park 2 is a horror FPS with multiple endings and a boss fight.
Reviewers mention these as similar to ZERO PROTOCOL
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.
Resident Evil
WHY THIS
Shares inventory management, puzzle solving and an atmospheric mood with ZERO PROTOCOL.
Reviewers of ZERO PROTOCOL cross-mention this title as a similar play. Shares Action and Adventure with ZERO PROTOCOL.
The game that defined the survival-horror genre is back! Check out the remastered HD version of Resident Evil.
System Shock
WHY THIS
Shares an atmospheric mood with ZERO PROTOCOL.
Reviewers of ZERO PROTOCOL cross-mention this title as a similar play. Shares Action and Adventure with ZERO PROTOCOL.
A first-person fight to the death in the depths of space!
System Shock 2: 25th Anniversary Remaster
WHY THIS
Shares inventory management and an atmospheric mood with ZERO PROTOCOL.
Reviewers of ZERO PROTOCOL cross-mention this title as a similar play. Shares Action and Adventure with ZERO PROTOCOL.
System Shock® 2: 25th Anniversary Remaster is a genre defining experience that established innovative game-play mechanics that are a staple of the FPS and RPG genre today. Survive the wretched corridors of the Von Braun. Your training has prepared you for this.
SILENT HILL 2
WHY THIS
Shares inventory management, exploration and an atmospheric mood with ZERO PROTOCOL.
Reviewers of ZERO PROTOCOL cross-mention this title as a similar play. Shares Action and Adventure with ZERO PROTOCOL.
Investigating a letter from his late wife, James returns to where they made so many memories - Silent Hill. What he finds is a ghost town, prowled by disturbing monsters and cloaked in deep fog. Confront the monsters, solve puzzles, and search for traces of your wife in this remake of SILENT HILL 2.
Cheaper alternatives
Games in the same vein priced at least 40% below ZERO PROTOCOL at current Steam store prices.
POSTAL 2
WHY THIS
Priced ~83% under ZERO PROTOCOL on Steam right now. Shares Action and Adventure with ZERO PROTOCOL.
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
Buckshot Roulette
WHY THIS
Priced ~50% under ZERO PROTOCOL on Steam right now. Shares Action with ZERO PROTOCOL.
Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!
The Test
WHY THIS
Priced ~67% under ZERO PROTOCOL on Steam right now. Shares Adventure with ZERO PROTOCOL.
You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?
Milk inside a bag of milk inside a bag of milk
WHY THIS
Priced ~75% under ZERO PROTOCOL on Steam right now. Shares Adventure with ZERO PROTOCOL.
A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.
Blood and Bacon
WHY THIS
Priced ~83% under ZERO PROTOCOL on Steam right now. Shares Action and Adventure with ZERO PROTOCOL.
This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.
Crypt of the NecroDancer
WHY THIS
Priced ~50% under ZERO PROTOCOL on Steam right now. Shares Action with ZERO PROTOCOL.
Crypt of the NecroDancer is an award winning hardcore roguelike rhythm game. Move to the music and deliver beatdowns to the beat! Groove to the epic Danny Baranowsky soundtrack, or select songs from your own MP3 collection!
Super Hexagon
WHY THIS
Priced ~50% under ZERO PROTOCOL on Steam right now. Shares Action with ZERO PROTOCOL.
Super Hexagon is a minimal action game by Terry Cavanagh, with music by Chipzel.
STAR WARS™ Republic Commando™
WHY THIS
Priced ~58% under ZERO PROTOCOL on Steam right now. Shares Action with ZERO PROTOCOL.
You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.
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.
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.
Life is Strange - Episode 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with ZERO PROTOCOL.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with ZERO PROTOCOL.
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 Adventure with ZERO PROTOCOL.
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 Adventure with ZERO PROTOCOL.
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 ZERO PROTOCOL.
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.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
Counter-Strike:Global Offensive
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with ZERO PROTOCOL.
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
More from R_Games
Other recommendable Steam games by R_Games, ranked by review count so the studio's hits land first.
REPLIKATOR
WHY THIS
Another title from R_Games, the studio behind ZERO PROTOCOL. Shares Action and Adventure with ZERO PROTOCOL.
In this twin stick roguelite shooter, you play as one of the galactic mercenaries, explore a mysterious scientific complex and uncover the secret of the REPLIKATOR project.
INSPACE 2980
WHY THIS
Another title from R_Games, the studio behind ZERO PROTOCOL. Shares Action and Adventure with ZERO PROTOCOL.
INSPACE 2980 is a stylish and dynamic SHMUP from the 16-bit era of games consoles and arcade machines. Take part in an exciting adventure and save the galaxy! Once again!
Iron Dungeon
WHY THIS
Another title from R_Games, the studio behind ZERO PROTOCOL. Shares Action with ZERO PROTOCOL.
Iron Dungeon combines a twin-stick shooter, a 2d platformer and a roguelite. Explore a dangerous underground complex in search of dozens of weapons, gadgets and upgrades to find a way to the surface and find out if there is still life on Earth!
Waterpunk: Through the Rust
WHY THIS
Another title from R_Games, the studio behind ZERO PROTOCOL. Shares Action and Adventure with ZERO PROTOCOL.
A roguelite action game set in a post-apocalyptic water world. Shape your strategy by choosing which abilities shine by day and which awaken at night.
Frequently asked about ZERO PROTOCOL
- Does ZERO PROTOCOL run on Steam Deck?
- ZERO PROTOCOL 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 ZERO PROTOCOL cost?
- ZERO PROTOCOL is listed on Steam at 5.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to ZERO PROTOCOL?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside ZERO PROTOCOL are Eternity's Echo: Patient Zero, Dracula Awakens, Fossilfuel 2.
- Who developed ZERO PROTOCOL?
- ZERO PROTOCOL was developed by R_Games.
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 ZERO PROTOCOL.
For library-aware picks tuned to your specific taste, sign in with Steam on the home page.































