Games like CM-SS13

If CM-SS13 scratched a competitive and tense itch for you, keep reading. Give these games a try when the craving hits. Most of them work well for a shared session.

Foxhole
Foxhole is a persistent online war where thousands of real soldiers decide everything, and it lasts for weeks. You can haul bullets to the front, build trenches and factories, drive tanks, sail battleships, or drop behind lines. No single charge wins it. The side that supplies, builds, and holds together does.
Competitive, Tense, Replayable
79% of 47,665 Steam reviews are positivePlayers online now: 1,312$29.99
Natural Selection 2
Marines against aliens, with a twist: one player on each team commands from above, dropping ammo, sentries and hives while everyone else fights it out on foot, on walls and in the air. A fast, tense team shooter where strategy and reflexes share the job, and a win actually feels earned.
Competitive, Tense, Replayable
85% of 8,654 Steam reviews are positivePlayers online now: 154$4.99
Interstellar Marines
UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.
Competitive, Tense
51% of 4,282 Steam reviews are positive$9.99
Starship Troopers: Extermination
A 16-player co-op FPS on the far frontlines of the war against the Bugs. Squad up, grab your Morita rifle, build a fortress, and hold the line while hundreds of Arachnids come pouring over the walls. Fast, frantic and gloriously messy: this is bug hunting at planetary scale.
Tense, Replayable, Brutal
80% of 29,802 Steam reviews are positivePlayers online now: 333$29.99
Project Entropy
Welcome, commander, to Project Entropy- an ultimate Sci-Fi and role-playing game with battles in space. In this immersive MMO experience, you will command alien civilizations, conquer uncharted planets, and build Hero fleets.
Competitive, Replayable
51% of 275 Steam reviews are positivePlayers online now: 156Free
Cortex Command
A 2D physics sandbox where you mine gold, build bunkers and throw expendable soldiers at the enemy cortex. Every wall crumbles pixel by pixel, every plan falls apart, and that is exactly the point. Best with friends on one couch, and endlessly replayable thanks to mods.
Competitive, Replayable, Brutal
82% of 2,003 Steam reviews are positivePlayers online now: 4$19.99
RUNNING WITH RIFLES
A top-down tactical shooter where you are one common soldier among thousands. Fight over trenches, towns and deserts, loot fallen enemies, rise through the ranks, and call in artillery when the line wobbles. Simple to pick up, surprisingly deep, and far better with friends in co-op or PvP.
Competitive, Tense, Replayable
87% of 14,729 Steam reviews are positivePlayers online now: 101$14.99
USC: Counterforce
Lead your Space Commandos in a revival of turn-based squad tactics inspired by UFO/XCOM and Aliens. Utilize in-depth skill & combat systems in multiple game modes, including a full campaign. Discover the truth behind the demise of colony MC83-A and join the USC in defending humanity!
Tense, Replayable
62% of 208 Steam reviews are positive$19.99
Territory Control 2
A 2D multiplayer sandbox game revolving around industry, innovation, factions, combat and emergent gameplay. Design factories, customize tools and weapons, fight or trade with other players or get viciously murdered by an angry badger.
Competitive, Replayable, Retro
76% of 91 Steam reviews are positive$19.99
PULSAR: Lost Colony
Run a starship with your friends in a randomized galaxy falling apart at the seams. Five roles, one ship, endless decisions: pilot, reroute power, hack enemy systems, fire the nukes. Best with a crew, playable solo with bots.
Tense, Replayable
89% of 4,414 Steam reviews are positivePlayers online now: 24$19.99
NEBULOUS: Fleet Command
A simulation-heavy tactical space game where radar shadows, electronic warfare and 3D maneuvering decide battles. Design a fleet down to individual hardpoints, then command it in real time with pause, alone or with friends. Every fight is a slow-burning duel of sensors and salvoes, and every mistake stings for hours.
Tense, Replayable
81% of 4,116 Steam reviews are positivePlayers online now: 116$29.99
Star Hunter - Infinite Lagrange
In a remote corner of the Milky Way, you, a star hunter, will control a fleet, take on a wide variety of bounty contracts and missions, and venture into the vastness of space. You will hunt for mysterious items for your employers and explore specific targets in uncharted territory.
Competitive, Tense, Replayable
56% of 1,094 Steam reviews are positivePlayers online now: 89Free

Hidden gems like CM-SS13

Pax Autocratica

Run a totalitarian colony, bend citizens to your will and charge into the war yourself in first person.

$29.99

Xenopurge

Xenopurge is a tactical auto-battler where you are a Commander tasked with purging the Xenos threat.

$6.24

Drop Command

Run a sandbox campaign, drop into any battle, and pilot a mech, tank, VTOL or power-armoured soldier through fully destructible battlefields.

$22.99

Angels Fall First

One battle, every role: run the deck guns as infantry, fly a fighter, walk the halls of a capital ship, or take the bridge and command it all.

$17.99

MENACE

Command improvised squads of marines and convicts through a grim, tense campaign where every loss stings and every run plays out differently.

$39.99

Quasimorph

Run a space PMC in a dark cyberpunk roguelike where death costs you everything you carried in.

$24.99

Welcome Back, Commander

Commander, your strike team is to dive deep into the contaminated city of Sun Stone and get some answers before the mysterious deadly plague spreads .

$14.99

The Infinite Black 2

Fly up to six ships through a shared universe of trading, treasure hunting and open war with other players.

$6.99

FreeInfantry

Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more.

Free

PULSAR: Lost Colony

Take a station on a starship and explore a procedurally generated galaxy with your friends, where every jump can turn into a fight for survival.

$19.99

NEBULOUS: Fleet Command

A simulation-heavy tactical space game where radar shadows, electronic warfare and 3D maneuvering decide battles.

$29.99

Deep Space Battle Simulator

Two teams of players control their capital ship in an epic battle.

$9.99

Newest games like CM-SS13

Drop Command

Run a sandbox campaign, drop into any battle, and pilot a mech, tank, VTOL or power-armoured soldier through fully destructible battlefields.

$22.99

Pax Autocratica

Run a totalitarian colony, bend citizens to your will and charge into the war yourself in first person.

$29.99

Quasimorph

Run a space PMC in a dark cyberpunk roguelike where death costs you everything you carried in.

$24.99

Angels Fall First

One battle, every role: run the deck guns as infantry, fly a fighter, walk the halls of a capital ship, or take the bridge and command it all.

$17.99

Nexus Legacy

Rebuild civilization from one planet in a persistent online 4X.

Free

Space Haven

Build a spaceship tile by tile, keep its air breathable and its crew fed, then jump it toward a new home.

$24.99

Territory Control 2

A 2D multiplayer sandbox game revolving around industry, innovation, factions, combat and emergent gameplay.

$19.99

MENACE

Command improvised squads of marines and convicts through a grim, tense campaign where every loss stings and every run plays out differently.

$39.99

Legend Battles

Drop in with your squad, gear up fast, and fight your way back out of a match where every round goes sideways differently.

Free

Xenopurge

Xenopurge is a tactical auto-battler where you are a Commander tasked with purging the Xenos threat.

$6.24

The Front

Gather, craft and fortify a base, then push back against the empire in first person, alone or with friends.

$19.99

ANEURISM IV

Take on a fate in a grim, dreamlike metropolis where every choice ripples, from factory shifts to the fight over the Rot.

$9.99