Games like Calyx

Did Calyx leave you in a replayable and tense frame of mind? These games line up well for what comes next.

From Glory To Goo
A sci-fi survival RTS where you build a colony on a hostile planet while waves of alien Goo close in. Expand, fortify and call down orbital fire from your ship overhead, then hold the line. Captains level up, factions play differently, maps are procedurally generated, and every run dares you to last a little longer.
Replayable, Tense
96% of 1,865 Steam reviews are positivePlayers online now: 97$7.79
Space Tales
Space Tales is a sci-fi RTS where you build fortified bases, manage resources, and command retro-futuristic armies. Adapt to deadly alien factions, capture huge monsters and turn them into powerful allies as humanity fights to survive among the stars.
Tense
78% of 40 Steam reviews are positive$5.99
Alien Marauder
“Alien Marauder” is a real-time strategy game with survival and confrontation theme. In this game, you will be the leader to a treacherous alien planet, build and defend base to survive against the vexan waves. Make the right decision!
Replayable, Tense
60% of 325 Steam reviews are positivePlayers online now: 1$19.99
The Riftbreaker
You are captain Ashley S. Nowak, a scientist-commando in a Mecha-Suit, sent through a one-way portal to planet Galatea 37. Build mines, refineries, power plants and labs to power a rift back to Earth, while thousands of alien creatures try to wipe you out. Solo or in online co-op for up to 4.
Replayable, Tense
90% of 22,354 Steam reviews are positivePlayers online now: 1,035$29.99
ZeroSpace
A sci-fi RTS where humanity's faster than light network is failing, and everyone wants the last of the flux. Build bases, command huge armies, call down orbital weapons, and make story choices as Commander Aster. Or team up with a friend in the co-op Galactic War, where every season brings new missions, events and rewards.
Replayable, Tense
78% of 1,354 Steam reviews are positivePlayers online now: 96$39.99
Vectorio Classic
A minimalist survival base builder where every resource you claim makes your machines run hotter and the enemy shapes angrier. Research new weapons, plan your power grid, and take down four guardians.
Replayable, Tense
93% of 1,474 Steam reviews are positiveFree
Byte Lynx
Byte Lynx is a fast-paced RTS with no units. Build defenses, dismantle your enemy, and steal their buildings in this deeply tactical building combat-based strategy game. Expand your arsenal across a series of diverse levels!
Replayable, Tense
97% of 74 Steam reviews are positive$9.99
Executive Assault 2
An RTS where every ship, station and robot can become your body. Build an asteroid base, command fleets, then jump into the cockpit or a robot's chassis and fight the battle yourself. Space strategy and first-person chaos in one war for the quadrant.
Replayable, Tense
82% of 1,609 Steam reviews are positivePlayers online now: 6$24.99
Mindustry
Mindustry mixes factory building with tower defense and real-time strategy. You mine, move and refine resources, feed ammo to turrets, hold your core against waves, then build armies and take enemy bases. It is worth playing for that loop of tinkering, defending and expanding.
Replayable, Tense
95% of 25,127 Steam reviews are positivePlayers online now: 672$9.99
Annihilate The Spance
Annihilate The Spance is a single-player RTS where your shipyards build endlessly and your ships fight on their own. You handle bases, economy, fleet mix and waypoint chains while autonomous fleets brawl across a 3D storm full of rival factions, bosses and very large capital ships.
Replayable, Tense
89% of 355 Steam reviews are positivePlayers online now: 9$29.99
Colony Siege
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
Replayable, Tense
91% of 199 Steam reviews are positive$19.99
Rogue Command
A single-player RTS with roguelite build crafting. Command units, call down bases and raise armies, then draft new tools after every battle. Slow time to 10% when it gets hairy, weave builds that bend the rules, and push through escalating Ascensions. Weave a build that breaks the game, or the game breaks you.
Replayable, Tense
89% of 1,059 Steam reviews are positivePlayers online now: 39$19.99

Cheaper than Calyx

From Glory To Goo

Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.

$7.79

Space Tales

Space Tales is a sci-fi RTS where you build fortified bases, manage resources, and command retro-futuristic armies.

$5.99

Byte Lynx

Byte Lynx is a fast-paced RTS with no units. Build defenses, dismantle your enemy, and steal their buildings in this deeply tactical building…

$9.99

Executive Assault

Build a corporate war machine in real time, then take direct control of any unit on the battlefield.

$12.99

Mindustry

Build supply lines, keep your turrets fed and push out to take the enemy's base.

$9.99

Expand & Exterminate: Terrytorial Disputes - Endless Base Defense

The best elements of Real-Time Strategy (RTS) and Tower Defense genres combined into a new Base Defense game.

$1.99

Codex of Victory

In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments.

$14.99

IDUN - Frontline Survival

A single-player defense RTS where your turrets are not stuck where you built them.

$14.99

Ashes of the Singularity: Escalation

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

$5.99

Frontline Crisis

Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis!

$5.99

Creeper World: Anniversary Edition

Build your defenses on high ground and fight back a rising tide that flows like liquid across the map.

$4.99

Infested Planet

Lead a small squad against a mutating alien swarm, rebuilding your tactics mid-fight to survive each brutal, fast-paced run.

$14.99

Hidden gems like Calyx

Rogue Command

Command units, call down bases and draft a fresh build after every battle in a fast sci-fi RTS where each run plays out differently.

$19.99

The Scouring

Command an army or fight as one hero, tearing through bases, dungeons and undead nights with friends or rivals.

$24.99

Here Comes The Swarm

Raise a medieval settlement, feed your settlers and fight back a swarming hive mind in runs that never repeat.

$19.99

From Glory To Goo

Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.

$7.79

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

Frontline Crisis

Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis!

$5.99

Cataclismo

Build fortresses brick by brick, then hold them against the Horrors of the Mist.

$29.99

Artificial Extinction 2

A Tower Defense hybrid where survival depends on strategy and firepower.

$19.99

Planet S

Claim procedurally generated planets, raise cities from a single spaceport, and grow your faction into a scientific or military power, alone or…

Free

Deep Among the Swarm

Deep Among the Swarm is a challenging survival RTS roguelite about surviving against thousands of enemies.

$8.99

Executive Assault 2

Run a space empire from the strategy map, then take direct control of a ship, robot or turret to fight the battle yourself.

$24.99

Newest games like Calyx