
FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 4 players. Load the torpedoes, dodge incoming fire, and eliminate the enemy.
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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 environment

Unlock 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 frontier

Good 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
Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English
Engagement
Hours played at review time, across 54 reviews with recorded playtime.
Reviews
Themes across 54 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
Crashes many times. When it actually starts its black screen. I switched to OpenGL then the game crashes after 10-30 seconds. RX 6950xt Ryzen 5600X
Currently somewhat limited, but the price makes that totally okay. Has the potential to grow into something special! Hope the devs keep adding to it!
10/10 i would LOVE to see more missions and additional torpedo types
Very fun little game with a full crew of mates, definitely worth the cost.
Locked inside a metal tube with qualified bubble heads. My skipper yelled at me the the entire time as I was made the contact manager on sonar. We got sent on eternal patrol by slamming into the rock wall while going full ahead. then on the very next mission we locked in and managed to scuttle 32 vessels while firing 40 torpedoes while sending countless fellow sailors to Davey Jones and managing to evade a swarm of enemy munitions. Overall 10/10 experience for a game that is five USD with a fantastic sound track and ambience. would love to see this game maintained and expanded upon. some more stations for crew members. some engineering, crafting, damage control, engine control, ballasts, A galley for nubs to sit and chat while we're supposed to be on silent ship. And with that thank you for your time and enjoy the rest of your day all who are reading.
Fun game with friends for the price. Would benefit greatly from a few more missions or an endless mode, but for only $5 what you get is worth it. Only two comments against are minor- Build sound for torpedoes is super annoying, as everyone else has already said. No indication you could expand or shrink the sonar arc on the actual sonar panel, my group only found out because someone checked the controls menu.
Game is very fun with friends, some issues regarding random crashes during Co-Op sessions but is very optimised nonetheless. Would recommend
banger game
only a few minutes into the game and i already LOVE ITTT THIS IS A HIDDEN GEM A ABSOLUTE DIAMOND FIND THIS SHIII GOT AS MUCH POTENTIAL AS ♥♥♥♥♥♥ COALLLL DIS ♥♥♥♥ SOME HOT STUFF controls are hard but fun to learn since theres not much of a tutorial also its hard to figure out the aiming system ,_,
Needs polishing, but for its price - pretty damn good, we had a blast with guys playing it :D
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Trends
Modeled estimate over time, reconstructed from Steam's monthly review histogram.
Momentum
Pace estimated from the game's recent review growth (our daily snapshots) at its own sales-per-review ratio — a momentum signal, not booked sales.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
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