Games like Artificial Extinction 2

If Artificial Extinction 2 left you wanting something tense and replayable, you have options. These games line up well for what comes next.

IDUN - Frontline Survival
A single-player defense RTS where your turrets are not stuck where you built them. Drag them around mid-fight, call down orbital fire, and hold the line against thousands of alien bugs while miners, carts and nuclear trucks do their slow, vulnerable work.
Tense, Replayable, Fast-paced
76% of 702 Steam reviews are positivePlayers online now: 5$14.99
Outpost: Infinity Siege
Command a walking fortress that fights beside you. Loot ruined zones for parts, build up your outpost's guns, and hold the line when the machines come. First-person shooting, tower defense and base building in one loop, best with friends.
Tense, Replayable, Fast-paced
65% of 11,680 Steam reviews are positivePlayers online now: 55$24.99
Sanctum 2
Build a maze, then grab a gun and defend it yourself. Sanctum 2 mixes tower defense with first-person shooting: you design the defenses, then blast the aliens that slip through. Four classes, perks, Feats of Strength and four-player co-op on the planet LOEK III.
Tense, Replayable, Fast-paced
92% of 7,462 Steam reviews are positivePlayers online now: 36$14.99
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.
Tense, Replayable, Fast-paced
91% of 199 Steam reviews are positive$19.99
Revenge of the Titans
The ultimate mash-up of Real-time Strategy and Tower Defense!
Tense, Replayable, Fast-paced
81% of 665 Steam reviews are positivePlayers online now: 3$14.99
Artificial Defense
Artificial Defense is a one man made, real time strategy game combining orbital shooter and tower defense components within an electrifying, virtual reality setting. You are the machine, a mighty computer-system defending its servers against swarms of intruding creeps.
Tense, Replayable, Fast-paced
76% of 71 Steam reviews are positive$2.99
DOTFI
Do you have what it takes to defend what is yours? This is not a typical tower defense game where the troops do all the work. This is a hybrid FPS/TPS tower defense game which you take over the control to defend your island.
Tense, Replayable, Fast-paced
59% of 46 Steam reviews are positive$1.99
Executive Assault
An RTS where you can also be the robot. Build a base, raise an army of tanks and walkers, then jump into any unit and fight from the ground, even inside your own buildings. Win by storming the enemy HQ and taking out their CEO before they take out yours.
Tense, Replayable, Fast-paced
84% of 1,267 Steam reviews are positive$12.99
2112TD: Tower Defense Survival
Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi adventure.
Tense, Replayable, Fast-paced
87% of 434 Steam reviews are positivePlayers online now: 2$4.79
Firebase Defence
Firebase Defence is a new spin on the traditional tower defence gameplay. You have to defend yourself from the waves upon waves of incoming enemies. You are free to build, place and manage your available resources and units in any way you want. But failing to balance those will result in defeat!
Tense, Replayable, Fast-paced
76% of 59 Steam reviews are positive$3.99
Frontline Crisis
Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis! A battlefield swarming with insects makes strategic and combat decisions crucial. Each decision will determine your fate. Defend humanity's last sanctuary, fight fiercely, and uphold human honor with wits and courage!
Tense, Replayable, Fast-paced
87% of 349 Steam reviews are positive$5.99
Tower Dominion
A roguelike tower defense where the terrain is your weapon. Tile the map into choke points and kill zones, pick from 30 heroes across three factions, and adapt your defenses wave by wave as the alien invasion keeps coming. Short runs, big decisions, and no two battles alike.
Tense, Replayable
85% of 5,278 Steam reviews are positivePlayers online now: 324$17.49

Cheaper than Artificial Extinction 2

IDUN - Frontline Survival

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

$14.99

Sanctum 2

Design your defenses, then fight alongside them in first person on a bright, chaotic alien world.

$14.99

Revenge of the Titans

The ultimate mash-up of Real-time Strategy and Tower Defense!

$14.99

Artificial Defense

Artificial Defense is a one man made, real time strategy game combining orbital shooter and tower defense components within an electrifying, virtual…

$2.99

DOTFI

Do you have what it takes to defend what is yours? This is not a typical tower defense game where the troops do all the work.

$1.99

Executive Assault

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

$12.99

2112TD: Tower Defense Survival

Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi…

$4.79

Firebase Defence

Firebase Defence is a new spin on the traditional tower defence gameplay. You have to defend yourself from the waves upon waves of incoming enemies.

$3.99

Frontline Crisis

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

$5.99

Tower Dominion

Shape the battlefield into kill zones, hold the line against waves of aliens, and rebuild your defenses every run.

$17.49

GROSS

GROSS is a unique twist on the classic tower defense genre. After building your defenses, you will jump into the action to take on enemies head-on.

$1.29

Project Astra Dominium

Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements.

$7.99

Hidden gems like Artificial Extinction 2

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

No Creeps Were Harmed TD

Employ lethal turrets, traps, and gadgets to defend against an onslaught of evolving creeps! Step into a twisted, hyper 3D, mind bending realm.

$19.99

The Perfect Tower II

Hold the waves, grow an island economy around your tower, and let simple commands handle the busywork while you chase upgrades and bosses.

Free

Axon TD: Uprising - Tower Defense

Stretch enemy paths with tiles, set up 40 towers and hold off waves of robots in runs, a campaign or matches with friends.

$19.99

Frontline Crisis

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

$5.99

Block Fortress 2

Choose a planet, build your fortress, and prepare for war. Arm yourself with powerful weapons, deploy troops, construct turrets, and defend your…

$19.99

Tower Dominion

Shape the battlefield into kill zones, hold the line against waves of aliens, and rebuild your defenses every run.

$17.49

SENTRY

Defend your spaceship from alien boarders with guns, traps and blast doors while plotting your escape through hostile space.

$15.99

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

IDUN - Frontline Survival

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

$14.99

2112TD: Tower Defense Survival

Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi…

$4.79

Northend Tower Defense

Build a defense from soldiers, vehicles and traps, then survive the waves in real time.

$7.99

Newest games like Artificial Extinction 2