Top similar games like _OUR_:_Defense 2021:
_OUR_:_Defense 2021 $4.99
Is a dynamic tower defense game. You must react and counterattack the enemies on the battlefield all the time. Fight off alien swarm attacks with gigantic machine guns, shotguns, gauss rifles and even a giant laser created using alien technology.
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Angels vs Demons$9.99
Welcome to the heavenly world, in which you have to fight with demons. They have surrounded the heavens and are trying to destroy everyone. But there are angels at your disposal, ready to expel the enemy.

Crypto: Against All Odds - Tower Defense$6.99
Crypto: Against all odds is a tower defense game, where you take the role of a cybersecurity expert to fight against hackers and other blockchain threats in this cypherpunk interactive fiction. Combined with squad customization, base/tower building, and simulation. Defend the blockchain!

Ad Astra: Sci-Fi Tower Defense$4.99
Lose yourself in an indie solo-dev. treasure that harkens back to arcade classics! All while thumping along to killer retro-inspired beats by Ovani sound. Embark on an epic tower defense adventure against awe-inspiring machine monstrosities, made by a devoted gamer for devoted gamers.

Dofense$12.99
Defend the energy cores from ever increasing enemy waves by destroying their spawn gates. Build tower mazes on Hex grid. Adapt them to dynamic changes in the terrain. Face quirky bosses. Design your own levels and share them on the Steam Workshop.

Super Sanctum TD$4.99
Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!

Fort Defense$8.99
All hands on deck! Pirate armada dead ahead! Take part in an uncompromising struggle repelling freebooters' assaults. Watch out, the enemy may catch the tide for ruining your fortress. Build towers, collect crystals, upgrade spells and believe in your victory!

Defense Of Greece TD$5.99
A game of the genre "Tower Defense".

Color Tower DefenceFREE
All kinds of enemies entered the battlefield! Build your defenses against hordes of enemies!

Project Myriad 2$2.99
Project Myriad 2 is a tower defense strategy game. Build towers on a grid of hexagons floating in space. 35 levels with unique tiles and mechanics each providing a unique challenge. 3 difficulty levels including extreme mode which has never ending waves of enemies. Strive for your new high score!

Defend Your Life: TD$9.99
Defend Your Life! Is tower defense set in human body where players are fighting against villain hordes of viruses and bacteria. Levels and units correspond to reality of human anatomy.

Dino V. Xeno - Tower Defense$3.99
Dino V. Xeno is a casual, straight to the point, yet deeply crafted tower defense game, where you can enlist 10 upgradable dinos, plus 14 additional special towers, to battle alien hordes. With randomized elements, 51 levels and 20-40 hours of gameplay, DVX is a tailor made for tower defense lovers.

King War [RTS]$3.99
Who can be the last king in the dogfight between the countries of the earth and aliens? A pixel-style real-time strategy game, a simple and easy experience for placing units

Tower Defender VR: Last Adventure$19.99
Tower Defender is a strategy TD game with roguelike gameplay. Brave knight, draw the sword to defeat the dragon boss, and restore world peace!

ARC Alien Raid Combat$0.99
A game based on the classic Tower Defense style, assemble your best combination to overcome obstacles, can you do it?

Thukothea Defender$4.99
A strategic tower-defense where you control powerfull drones. Unlock new tower and use specific technologies to defend your base on Thukothea!

Raging Titan$4.99
Build your towers, plan your efforts, watch out for changing paths and strike back against the alien invaders in this challenging tower defense game!

Alien Shooter TD$9.99
Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!

Molten Armor$9.99
Molten Armor is an action tower defense game with a non-linear story in sci-fi setting! Command defenses and stop hordes of enemies! Fight on land, sea and in the skies!Decisions taken in the heat of battle will change the course of the war.

The Echoes of Mars$4.99
The Echoes of Mars is a voxel-style tower defence game. Defend your research base on Mars from ancient creatures by strategically placing towers and using advanced tech.

Call Of The Mighty Warriors$4.99
Two kingdoms in battle against each other, the king Bennevert called for the legendary mighty mercenaries to defend strategic posts in dangerous lands in the battlefield. Are you prepared to be a mercenary?

Mechanical Trap$5.99
Mechanical Trap is a 2D horizontal tower defense game with gravity effects, with a variety of defense towers to collect and use together, a rich map, each enemy has a different way of restraining, and each defense tower has a different function.It's challenging. Do you dare to accept the challenge?

Anx Defense$9.99
Defend your Nexus by placing mirrors and buildings on the path of your projectiles. Deflect, empower, manage and solve each map using your creative and strategic mind.

Shadow Tactics: Aiko's Choice$19.99
Aiko's Choice is the anticipated standalone expansion to the acclaimed stealth strategy game Shadow Tactics. Set in Edo Japan, you take control of the skillful kunoichi adept Aiko and her deadly assassin friends to hunt down the ghosts of her past.

Uncharted Space - project 3062$59.99
In this game, you are a leader, leading a force of army to fight other forces in the deep spaces. You will plunder their resources, build your homelands, explore and expand, managing your army both strategically and tactically. This will be a saga written with blood and fire.

CHAOTIC ERA$16.99
AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.

Zombo Buster Advance$4.99
Zombo Buster Advance is a tower defense game taking place inside buildings with interchangeable elevators. Deploy, swap and shoot like a boss!

Tower Miners$2.99
Tower Miners is a local multiplayer game. Mixed out of strategy, tower defense and random party game genre.The goal is to beat your enemy by destroying his base. Also additional game modes are on the way

Zen Blocks - Relaxing Puzzle Board Game$2.99
Zen Blocks is an addictive original block puzzle game using original game play mechanics. Mixing some elements of tetris style gameplay on a 2D board, in an oriental ZEN setting. Original game play with 3 game modes. Enjoy this relaxing turn-based puzzler for a meditative XP.

Save and Conquer : 8 YearsFREE
This is a 2D defense game that depicts the near future that may arise from climate change. Unlike the defense game, which is automatically attacked by traditional turrets, it is an attractive game that requires you to defeat the enemy by operating the turret directly with limited power.

Match War$0.99
Match War - This is a simple match-3 plus war game. The game has three ways to play: pass, defeat, and hold on. Players need to change the soldiers or heroes who fight to win.

人类VS怪物(Human vs Monster)$5.99
"Human VS Monster" is a tower defense game similar to Plants vs. Zombies. You need to use humans reasonably to deal with monsters with different characteristics. There are at most five levels for each human or monster, which are-common, advanced, legend, antiquity, and creation.

TD Worlds$10.99
TD Worlds is a dynamic, highly strategical game that challenges your skill. Build an impenetrable defense and get ready to plunge into a new, unknown world to uncover its secrets. Use Twitch integration and play with your viewers.

Line Of Defense Tactics - Tactical Advantage$9.99
A real-time strategy combat game based on the world of the Line Of Defense. Command a team of four Galactic Command marines in highly classified missions in space and on planets.

Sporadic SpireFREE
Defeat hordes of enemies in this aesthetic tower defense game. The random terrain generation provides a beautiful environment and a unique experience every time you play.

Let Them Come$7.99
Let Them Come is a fast paced pixel art shoot ‘em up. Twitchy trigger fingers and focused battle tactics are the order of the day as wave after wave of alien-like creatures try to take you down.

Magic defense 2: The Return of the Legend$9.99
A horde of stupid magical characters want to destroy the stronghold of good magic and become the only owners of magic! You are the only one who can try to stop them!

CapitalsFREE
A mash-up of the common idle clicker genre and a city builder, Capitals is a fast-paced and competitive strategy game. Each match is set on a resizable game board made up of hexagonal tiles, randomly generated each time you play.

Listeria Wars$5.9
Listeria Wars is a real-time tactical game. You defend against the pathogenic microbes, attacking an infected organism. A key feature of the game is the parallel viewing experience. In addition to the game process, you can view the life of the human whose body has become the pathogenic battlefield.

RedShip$4.99
Match colors to build your own spaceship! Explore space and fight alien spacecrafts while acquiring weapons and upgrading your red ship. Become the space pilot you’ve always wanted to be.

Galandrix$0.99
Galandrix is a rogue like arcade game played from a top-down view and features both fast-paced action and real time strategic choices. Select your ship and blast off into the unknown against countless hordes of enemies.

To Your Stations!FREE
To Your Stations! is a couch co-op spaceship management game where up to four players work together to crew a spaceship. Coordinate the torpedoes, lasers, and shields of your ship to fight off asteroids, aliens, and other deep space entities.

Endless Defense: SurvivalFREE
This is a innovative roguelike TD game made with the 『CliCli』. No need for path planning or tower combos—just one tower! With almost 100 weapons, you’ll be mowing down foes and dominating the battlefield. Enjoy the rush and let off some steam!

Tomb Of AnuBI0S$9.99
Tomb of AnuBI0S is an unique 2D tower defense-platformer with an Egyptian Sci-fi setting. Defend the AI deity RAm from waves of undead "Organics." Upgrade your arsenal from weapons to walls, turrets, and your player capabilities. Immerse yourself in meticulously crafted levels and defend RAm!

2089 - Space Divided$17.99
2089 - Space Divided is a classic science fiction real-time strategy game in which you collect resources, build up your base, train troops and destroy your opponents with tactical skill.

Tasking$1.99
"Tasking" is an idle monster-hunting game. You will start as an archer and recruit your own team members, use gold coins to purchase powerful skills, challenge formidable bosses, and defeat them one by one, gradually conquering each continent.

Random Core Defense$3.99
"In 'Random Core Defense,' acquire and enhance cores using limited resources to withstand relentless enemy onslaughts. Defeat powerful bosses and test your strategy to survive until the very end!"

Tales of Valoris: Swallow's Defenders$9.99
Swallow’s Keep is a place of great prosperity; however, not all lands share in its wealth, and it has caught the eye of ambitious adversaries. Can you defend your home against the bandits?

Taur$24.99
Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

Tiny Battles: PrologueFREE
Tiny Battles is a tactical action auto-battler where battles take place automatically in the arena. Prologue is a demo version of the Tiny Battles game, where 2 of the 5 factions and 3 of the 15 enemy opponents are available to play.

The Chronos Principle$4.99
The Chronos Principle is a breathtaking journey through a series of intricate puzzles that explore the concept of time manipulation.

Automatrons - Tower Defense$3.99
Join our machine legion to conquer the world.