FULL METAL COFFIN

FULL METAL COFFIN

Titanite · 2026 · Simulation, Co-op, Multiplayer, 3D, Submarine

PC
Very Positive94% · 145
This game is free to play. Get it on Steam →

Screenshots

About FULL METAL COFFIN

A 3D co-op submarine simulator with up to 4 players, where you fight for control below the Antarctic. Taking place in flooded caverns deep below, you and your CREW will be tasked with operating a submarine to eliminate outposts, and defend against waves of enemies. Your vessel is specialty built using the latest in material science, to withstand the unique conditions posed by this new environmentUnlock new interesting torpedo types, and deploy them in combat. Load them immediately, or store them for future use. Planning and forethought are essential to a decisive victory against all enemies in the frontierGood coordination and communication are heavily rewarded. Work together with friends to operate your vessel smoothly. Form a command structure, or naturally fill in where needed. Ensure steady operation of your submarine, and dominate the enemy
  • Operate a 3D submarine interior with up to 4 players
  • In depth sonar & hydrophone mechanics. Listen for your enemies, and bounce sonar pings off walls to gain advanced vision of the caverns
  • Craft unique torpedo types, for different situations
  • Forethought and communication are heavily rewarded. Pick your engagements wisely

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended Jul 31, 2026
Took us a few attempts, because the game is a bit opaque. While i was initially underwhelmed, I played with a friend and as things started to "click" and the game started to flow we got really caught up in the action and the stealth. Even if you just spend one evening playing with your buddies, I promise you it's worth it!
1 found this helpful
Recommended Aug 11, 2026
Fun for 1 hour. Then you can refund it!!
Recommended Aug 10, 2026
I said "You know what would be fun? If we played crew game where were in a submarine." Its perfect for the price.
Recommended Aug 8, 2026
killed six enemies with one nuke im satisfied
Recommended Aug 7, 2026
love the game, would love to see it expanded with more ammo types, and progression elements like bigger subs, one a double decker with the bottom floor for torps, and maybe some barotrauma level type gamemode. also, the last sub is also a pain to find, having them emit a faint ping to give away their direction would greatly improve the game. would love to see this expanded on more.
Recommended Jul 27, 2026
PLEASE FIX THE CRASHING <3

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