Single-player games like FULL METAL COFFIN
Below are 8 single-player Steam games similar to FULL METAL COFFIN, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like FULL METAL COFFIN page.
Ranked picks
- 1

IronWolf: Free Non-VR Edition
Single-player alternative to FULL METAL COFFIN — playable solo, no multiplayer required. Shares Simulation with FULL METAL COFFIN.
This is the Free Non-VR version of IronWolf VR. A co-op submarine game with a light touch on realism, making the submarine sim genre accessible to a wider audience.
- 2

Darkwater
Single-player alternative to FULL METAL COFFIN — playable solo, no multiplayer required.
Darkwater is a cooperative extraction horror game for 1-4 players. Command a submarine trapped under the ice of an alien planet. Battle enemy vessels and deep sea abominations as you hunt for resources. Do what it takes to survive.
- 3

Modern Naval Warfare
Single-player alternative to FULL METAL COFFIN — playable solo, no multiplayer required. Shares Simulation with FULL METAL COFFIN.
Command the silent service. Modern Naval Warfare is the definitive tactical simulation that puts you inside the pressure hull of a Virginia-Class nuclear submarine. This uncompromising tactical simulation offers unparalleled depth in graphics, physics, and authentic combat systems.
- 4

Sub Command
Single-player alternative to FULL METAL COFFIN — playable solo, no multiplayer required.
Take charge of the most deadly modern-day submarines in the world - three distinct submarines across two unique and challenging campaigns. Utilize cutting-edge sensor and weapon technology to locate, track and destroy the enemy - even deliver Tomahawk missiles to inland targets.
- 5

Barotrauma
Single-player alternative to FULL METAL COFFIN — playable solo, no multiplayer required. Shares Simulation with FULL METAL COFFIN.
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
- 6

Subterror
Single-player alternative to FULL METAL COFFIN — playable solo, no multiplayer required.
Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.
- 7

Nuclear Option
Single-player alternative to FULL METAL COFFIN — playable solo, no multiplayer required. Shares Simulation with FULL METAL COFFIN.
Fly near-future aircraft with immersive physics on intense battlefields, facing land, air and sea threats. Wage war against AI or other players with an array of potent weapons. Wield tactical and strategic nuclear weapons, capable of annihilating anything in their path.
- 8

Crash Dive
Single-player alternative to FULL METAL COFFIN — playable solo, no multiplayer required. Shares Simulation with FULL METAL COFFIN.
WWII tactical submarine combat! Take command of a U-boat prowling the Atlantic in search of enemy convoys to sink. Sneak past the escorts and torpedo the transports. Or surface and use your deck gun in a daring night attack.