Games like S.U.B.
Navigate through the dark, deep seas with your best friend to infiltrate the Evil Doctor's Secret Underwater Base © in this two-person local couch co-op game! Will you be able to outrun the dreadful laser-robot-sharks long enough to foil the Evil Doctor's plans?

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Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.
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Grab a friend for a deep sea dive. Repair your submarine and try to get as far as possible with this old and rusty, but charming submarine!
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Crimsonland
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Teenage Mutant Ninja Turtles: Shredder's Revenge
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IronWolf VR
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Nation Red
Nation Red is an ultra fast infinite play arena-based shooter providing an exceptional close-quarter battlefield experience. Fight thousands of zombie mutants and their bosses in frantic bloody gameplay while earning close to 100 perks. Fight in Barricade, Survival or Free Play mode.
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#KILLALLZOMBIES
#KILLALLZOMBIES is an insane twin-stick zombie shooter with Twitch streaming interactions, where you survive hordes of zombies on a dynamically changing arena and spectators may affect gameplay via special Twitch chat commands.
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Human Fall Flat
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Iron Fisticle
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Plays great on Steam Deck
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.
- 1

Crimsonland
Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes.
- 2

Teenage Mutant Ninja Turtles: Shredder's Revenge
Teenage Mutant Ninja Turtles: Shredder’s Revenge reunites Leonardo, Michelangelo, Donatello and Raphael as they kick shell in a beautifully realized beat ’em up.
- 3

#KILLALLZOMBIES
#KILLALLZOMBIES is an insane twin-stick zombie shooter with Twitch streaming interactions, where you survive hordes of zombies on a dynamically changing arena and spectators may affect gameplay via special Twitch chat commands.
- 4

Human Fall Flat
Human Fall Flat is a hilarious, light-hearted platformer set in floating dreamscapes that can be played solo or with up to 8 players online. Free new levels keep its vibrant community rewarded.
- 5

Iron Fisticle
A modern take on the classic arcade arena shooter. Taking inspiration from an entire generation of action games, Iron Fisticle builds on classic titles like Gauntlet and Robotron while adding over 100 collectible items, an RPG style upgrade system and local multiplayer.
Frequently asked about S.U.B.
- How much does S.U.B. cost?
- S.U.B. is listed on Steam at 1.99 USD (current store price; Steam sales may reduce this temporarily).
- Does S.U.B. have multiplayer or co-op?
- Yes — S.U.B. supports multi-player play according to its Steam store listing (Multi-player, Shared/Split Screen Co-op, Co-op).
- What games are most similar to S.U.B.?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside S.U.B. are My Rusty Submarine - New Waters, Crimsonland, Teenage Mutant Ninja Turtles: Shredder's Revenge.
- Who developed S.U.B.?
- S.U.B. was developed by Spreadable Fruit Games, Brametjuhh, YinUkume and published by Spreadable Fruit.
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 S.U.B..
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