Games like Contagion Protocol
If Contagion Protocol is your kind of game, the closest matches are Squadika, Pay To Slay and Horde Sweepers — picked from the ranked list below. 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 Contagion Protocol: Survive an endless undead horde in this brutal auto-battling roguelike. Slash, upgrade, and evolve your arsenal as chaos unfolds to the pulse of an industrial metal soundtrack. Contagion Protocol is fast, bloody, and built for replayability.
Players who liked Contagion Protocol also play
Steam players who put hours into Contagion 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.
Squadika
WHY THIS
Top pick for Contagion Protocol fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Contagion Protocol.
Top-down arena shooter roguelite where fallen Steam friends & Twitch chatters become your power. Control a squad, survive relentless waves and defeat powerful bosses. Compete on leaderboards! Bullet hell Brotato-like with wild builds, random events & high replayability.
Pay To Slay
WHY THIS
Second-strongest match for Contagion Protocol fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Contagion Protocol.
Survive endless zombie hordes, unlock devastating weapons, craft powerful synergies with drinks and tarot cards, defeat deadly bosses, and compete for the top spot on the online leaderboards.
Horde Sweepers
WHY THIS
Third-strongest match for Contagion Protocol fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Contagion Protocol.
Fast-paced Rogue-lite action. A high-octane mashup of Vampire Survivors and Hades. Unlock and combine upgrades, create your unique builds, use active abilities, enhance your weapons, find enemy weaknesses, and cleanse this city of mutants.
Arms of God
WHY THIS
Ranked #4 for Contagion Protocol fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Contagion Protocol.
Gear up for a battle through hell in this roguelite Bullet Heaven Arena Autoshooter with Doom-inspired gore vibes, metal music, and a satisfying combat feel. Wield five weapons at once, upgrade and merge them to forge indestructible builds, and bring divine justice to a world on the brink of chaos.
Rotten Survivor
WHY THIS
Ranked #5 for Contagion Protocol fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Contagion Protocol.
Fight massive hordes of bizarre zombies! Start with an axe and upgrade to a bazooka, equip a rifle and a katana, or a machine gun and a grenade launcher. Create your own play style and become an unstoppable force! But the question is... Are YOU stuck with THEM, or are THEY stuck with YOU?
FatalZone: Outbreak
WHY THIS
Ranked #6 for Contagion Protocol fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Contagion Protocol.
Outbreak is the demo version of FatalZone, a bullet heaven zombie apocalypse shooter where you'll have to upgrade your base, hone your mercs' skills, and put them to the test to survive.
Disaster Plan Z
WHY THIS
Ranked #7 for Contagion Protocol fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Contagion Protocol.
Disaster Plan Z is a hardcore single-player shooting survival game set in a post-apocalyptic world. Players need to utilize various weapons along with their unique skills, construct different buildings, and continuously upgrade to resist the invasion of countless zombies and mutant creatures.
NO LIFE: Zombie Survivor
WHY THIS
Ranked #8 for Contagion Protocol fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Contagion Protocol.
NO LIFE: Zombie Survivor is a brutal survival roguelite where you’ll face endless hordes of relentless zombies. Choose your survivor and weapons, each with unique abilities and playstyles, and gear up for increasingly intense battles against the undead.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Contagion Protocol.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
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 Contagion 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 Contagion 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.
Grimm's Hollow
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and RPG with Contagion Protocol.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
The Expendabros
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Contagion Protocol.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
Iron Snout
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Contagion Protocol.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
UNBEATABLE [white label]
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Contagion Protocol.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)
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Head-to-head comparisons
Frequently asked about Contagion Protocol
- What games are most similar to Contagion Protocol?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Contagion Protocol are Squadika, Pay To Slay, Horde Sweepers.
- Who developed Contagion Protocol?
- Contagion Protocol was developed by Para Interactive.
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 Contagion Protocol.
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