Games like Subsiege

Remember how competitive and tense Subsiege felt at its best? Give these games a try when the craving hits. Plenty here let you team up if you like.

Submarine Titans
Submarine Titans is a real-time strategy video game that takes place in the year 2115 after a comet has struck Earth, driving two human factions, the militant White Sharks and the scientific Black Octopi, to establish underwater bases and fight for dominance over the oceans.
Competitive, Replayable
86% of 351 Steam reviews are positivePlayers online now: 7$4.99
Darkwater
Darkwater is a co-op extraction horror game for 1 to 4 players. Command a custom submarine trapped beneath the ice of an alien moon, fight enemy vessels and deep-sea things with too many teeth, and scavenge abandoned outposts for the fuel that keeps you alive.
Tense, Dark, Replayable
77% of 1,009 Steam reviews are positivePlayers online now: 19$9.99
Diluvion: Resubmerged
A Jules Verne-flavoured submarine adventure under a frozen ocean. Captain your own vessel through a haunting flooded world, fight other subs and sea monsters, manage a hungry crew, and dig for humanity's buried secret. Slow, moody and atmospheric, with a soundtrack that carries you through the dark.
Tense, Dark
61% of 1,036 Steam reviews are positive$19.99
S.O.N.A.R. - Submarine Operators Not Actually Ready
A 1-6 player online co-op submarine sim where the crew is the weak point. Run sonar, pilot, load torpedoes and fight fires while your friends shout over proximity chat. Missions, treasure hunts, stealth runs and PvP, with sinking always one wrong button away.
Tense
94% of 371 Steam reviews are positivePlayers online now: 710$8.49
Subterror
Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.
Tense, Dark, Replayable
89% of 399 Steam reviews are positive$7.99
FULL METAL COFFIN
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.
Tense, Fast-paced
93% of 147 Steam reviews are positive$4.99
Murky Divers
Pilot a blind submarine to the bottom of the sea, swim into abandoned labs full of corpses, and shred every last piece of evidence for Pharma Corps. Up to 8 players, dwindling oxygen, and things in the dark that would rather you didn't finish the job.
Tense, Dark, Replayable
87% of 3,999 Steam reviews are positivePlayers online now: 29$8.99
Ashes of the Singularity: Escalation
Command thousands of units across entire worlds in a large-scale RTS about economy, territory and timing. Play the campaigns of the Post-Human Coalition and the Substrate, or take friends into ranked and unranked multiplayer. The fleets largely manage themselves, so the real battle is in where you build, what you research and when you strike.
Competitive, Replayable
76% of 2,714 Steam reviews are positivePlayers online now: 51$5.99
What'Sub
What'Sub is a 1–4+ player Co-op Extraction "Looter". Band together as a crew of rugged submarine pirates, on a deep-sea quest for power and glory! Loot the ocean for treasure, fulfill requests for the odd denizens of the Subyard, upgrade your submarine, and above all, dive deeper into The Well.
Tense, Replayable, Fast-paced
71% of 49 Steam reviews are positive$6.79
Art of War: Red Tides
Battles play out on their own; the real fight is in your choices. Easy to learn, hard to master, and best with friends in 3v3.
Competitive, Replayable
79% of 6,963 Steam reviews are positivePlayers online now: 7Free
Cold Waters
The Cold War turns hot and you command a nuclear submarine sent to stop it. Slip through the North Atlantic, track Soviet convoys and landings, and decide when to strike and when to stay silent. Realistic sonar, wire-guided torpedoes and a dynamic campaign where your performance shapes the war. Quiet, patient, and tense as it gets.
Tense, Dark
87% of 4,619 Steam reviews are positivePlayers online now: 83$39.99
We Need To Go Deeper
Crew a submarine with friends in a Verne-inspired undersea roguelike. Pilot, patch leaks, load torpedoes and reroute power while sea monsters claw at the hull. Communication or perishing, those are the options. Chaotic, hand-drawn and endlessly replayable, with 19th-century outfits and non-gender-specific mustaches included.
Tense, Replayable, Fast-paced
86% of 4,655 Steam reviews are positivePlayers online now: 16$15.99

Cheaper than Subsiege

Submarine Titans

Submarine Titans is a real-time strategy video game that takes place in the year 2115 after a comet has struck Earth, driving two human factions…

$4.99

Darkwater

Pilot a submarine through a frozen alien sea with your crew, fighting what swims out of the dark and scavenging for the fuel to keep going.

$9.99

S.O.N.A.R. - Submarine Operators Not Actually Ready

Run a submarine with your friends, where every valve, torpedo and fire drill can go hilariously wrong.

$8.49

Subterror

Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.

$7.99

FULL METAL COFFIN

FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 4 players.

$4.99

Murky Divers

A co-op horror job at the bottom of the sea: dive into sunken labs with up to eight friends, destroy what Pharma Corps wants gone, and hope the dark…

$8.99

Ashes of the Singularity: Escalation

Build economies, claim territory and time your strikes across whole worlds, alone or with friends.

$5.99

What'Sub

What'Sub is a 1–4+ player Co-op Extraction "Looter". Band together as a crew of rugged submarine pirates, on a deep-sea quest for power and glory!

$6.79

We Need To Go Deeper

Run a submarine with your crew, keep it from falling apart and pray the next monster leaves you enough hull to keep diving.

$15.99

Dangerous Waters

S.C.S. - Dangerous Waters allows you total control over multiple air, surface, and submarine platforms in a modern-day naval environment.

$2.99

AquaNox

The water is no longer calm. The undersea world has undergone a transformation from tranquil environment to a place of unspeakable violence, graphic…

$4.99

Warpips

Pick your units, call in airstrikes, and let the little soldiers fight for every inch of the line.

$16.99

Hidden gems like Subsiege

FULL METAL COFFIN

FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 4 players.

$4.99

S.O.N.A.R. - Submarine Operators Not Actually Ready

Run a submarine with your friends, where every valve, torpedo and fire drill can go hilariously wrong.

$8.49

Subterror

Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.

$7.99

Annihilate The Spance

Annihilate The Spance is a single-player RTS where your shipyards build endlessly and your ships fight on their own.

$29.99

ZeroSpace

Lead huge armies and orbital strikes in a fast sci-fi war, or join a friend in a co-op campaign that changes every season.

$39.99

Darkwater

Pilot a submarine through a frozen alien sea with your crew, fighting what swims out of the dark and scavenging for the fuel to keep going.

$9.99

Murky Divers

A co-op horror job at the bottom of the sea: dive into sunken labs with up to eight friends, destroy what Pharma Corps wants gone, and hope the dark…

$8.99

Subnautica 2

Scan alien life, build a base and follow the CICADA's hidden signals into the deep, alone or with friends.

$29.99

Warpips

Pick your units, call in airstrikes, and let the little soldiers fight for every inch of the line.

$16.99

Operation: Polygon Storm

A fastpaced, military tug-of-war game with minimal micromanagement. Choose and deploy from a mix of specialized military units to overwhelm the enemy.

$14.99

Gunship Battle Total Warfare

Lead ships, jets and tanks in real-time battles, grow your base, and fight alongside allies for territory.

Free

Battlecruisers

A visually stunning RTS where players battle to build the ultimate automated floating Ultraweapon.

$19.99

Newest games like Subsiege