Top similar games like Shuttle Siege:
Shuttle Siege $4.99
A sci-fi Tower Defense game where your space shuttle is invaded and you have to build mazes of defensive towers to stop the enemies.
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Towerful Defense: A Rogue TD$9.99
A roguelike tower defense where you control a single tower to fight against hordes of aliens coming from all directions. Pick your tower, equip up to 4 skills, and choose from a variety of traits and unique effect items to craft powerful builds that lead you to victory.

Treasure DefenceFREE
Treasure Defence is an award winning VR game that innovates on the classic tower defence genre. Play arcades, win towers and fight The Royal British Navy. Plunder gold from destroyed ships and fortify your pirate cove.

Defenders Glory$9.99
Defenders Glory is a Fantasy Tower Defense game with simple but deep gameplay elements: Simple mechanics that allow for near-infinite ways to be applied, allowing it to be suitable to anyone, beginners can just sit down and play, while Veterans can constantly improve themselves and their tactics.

Idle Monster TD: EvolvedFREE
Evolve epic monsters and crush puny humans in this endless idle tower defense game! Unlock, upgrade, and evolve over 150 unique monsters and pets, ranging from cute and colorful flower creatures to epic fire breathing dragons, to assemble the ultimate team against the endless waves of enemies.

Planet TD$2.99
6 different types of towers! 4 planets with different characteristics! 25 different enemies. Drones, Tanks, Biorobotic enemies and many different ground and air vehicles! Snowy and Glacial maps, Desert and Arid lands! Prepare to defend the solar system against invaders!

Knights vs Nature$4.99
Guide your knightly army to reclaim a world overthrown by nature's beasts, well-fed and oversized, they are determined to stay in control! Build powerful towers and unleash destructive spells to destroy every last one!

HexDefense$5.0
HexDefense is a roguelike tower defense with an emphasis on constant action with little to no downtime. Defend your city by building towers, upgrading them with money from your fallen foes, and equipping them with strange items you find out in the world!

Defend from Candyland!$7.99
Step into the world of Defend from Candyland! where retro tower defense meets strategic depth. Plant and upgrade trees, use powerful buffs, and reveal enemy paths to shield Eden from waves of candy invaders. Master the challenge now!

Ravage Road$9.99
Choose wisely as you build the road from your evil tower outwards into the beautiful landscape around it to conquer and claim the region tile by tile in this tower defense deck building roguelike. Hire minions, upgrade your cards, and prepare your defenses against the heroes riding against you.

Block Tower TD 2: PrologueFREE
Block Tower TD 2 is a strategic game in the roguelike style with original innovations. Build worlds from blocks, choose random upgrades, each game will be unique.

Idle Towers$9.99
An idle survival game with tower defense mechanics. Build your own perfect defese and face infinite waves of enemies!

Kingdom Two Crowns$19.99
In Kingdom Two Crowns, players must work in the brand-new solo or co-op campaign mode to build their kingdom and secure it from the threat of the Greed. Experience new technology, units, enemies, mounts, and secrets in the next evolution of the award-winning micro strategy franchise!

Guardians of Hyelore$19.99
Guardians of Hyelore is an action-packed unit recruitment game pitting your units and strategies against an onslaught of enemies. Hire units, improve your troops, earn achievements, and spawn your Guardian to fight 150+ unique enemies in this exciting take on the army-spawning action genre.

Escape And Build$6.99
Escape from the enemies and build a fortress to face them, you can play alone or in online games of up to 4 players.

Castle Defense Battles$2.99
Castle Defense requires strategic thinking and tactical timing to defend your Castle from an onslaught of evil monsters.

Defender's Quest: Valley of the Forgotten (DX edition)$14.99
Defender's Quest is a Tower-Defense/RPG Hybrid tightly focuses on three things: tactical depth, customization, and story

Crazy Monster$3.99
As long as there is open space, you can freely arrange defense towers and cooperate with your strong combat power to win victory! This is a pixel tower defense shooting game, where the player is a hero who helps our camp defeat powerful and crazy monsters!

Towerful Defense: PrologueFREE
A tower defense action roguelike where you control a single tower to fight against hordes of aliens coming from all directions. Pick your tower, equip up to 4 skills, and choose from a variety of traits and items to craft powerful builds that lead you to victory.

迫降Landing$4.99
Our ship has suffered an unknown disaster and has been forced to dock on the side of this planet, and all you have to do is lead us to repair the ship and continue its voyage, however, the danger is getting closer and closer without our knowledge......

Tyfortress: Tactical Typing$3.99
Protect human race last fortress against the robots by typing phrases and single words! Build and evolve towers that will help while you destroy robots by typing their words! Oh, and don't forget... Before that, you'll need to type phrases fast to gather a good amount of resources to build towers!

Touhou Monster TD ~ 幻想乡妖怪塔防$18.99
Easy to learn but hard to master, Touhou Monster TD is a unique Tower defense Game. Control your character, level up and unlock tower skills and character talents, use your wisdom to defeat incoming enemies. Travel the Gensokyo, find out why the “Incident” happened this time.

Make Them Walk$5.99
Step into the world of a Maze Building Tower Defense game where enemies are smart enough to choose only the Shortest path while making best use for the random cards you've dealt with.

AsteroidTD$4.99
Try to survive in infinite asteroid cloud as long as possible in reworked tower defence style. FInd your own playstyle and beat your own records or chillout with original ambient soundtracks. Build, explore, think - everything to create your own colony in this cold space.

Winter and People$1.99
Winter and People mix tower defense and city building genres with its minimal style; It is a tower defense game where you try to survive in cold cities.

Drill to the Stars$14.99
In "Drill to the Stars," you build your OWN base! Guide enemies with walls into traps and eliminate them before they destroy your drill. Strategically adapt to the environment and place the towers cleverly for maximum attack speed in this roguelite tower defense game.

Last-Hit DefenseFREE
Defense game in which you build towers to block enemies from approaching.Action game in which you control a hero to eliminate monsters.An innovative 'Action-Defense' game created by merging two game genres !

No Heroes Here 2$19.99
A group of non-adventurers is the last hope in defending the castle in this chaotic co-op tower defense game with roguelike features. With up to 4 players, your party must organize the castle, work as a team to craft ammo, and shoot at enemies to protect your kingdom!

Block Tower TD 2$12.99
Block Tower TD 2 is a strategic game in the roguelike style with original innovations. Build worlds from blocks, choose random upgrades, each game will be unique.

Tower Knight$4.99
Tower Knight is a deck-building & tower defense strategy game. Build your deck to strengthen your position, level up your knight, and win by capturing enemy towers.

HexaScape: Cyber Defense$14.99
Build your perfect defenses with hexagons! Use hex tiles to explore cyberspace, upgrade your defense towers, and complete quests in this unique turn-based strategy game. With a campaign, a procedurally generated endless mode, and a powerful editor, HexaScape offers endless challenges.

Lesson Learned: Cult of the ElizabethFREE
Help Amelia defeat Elizabeth Bathory's henchmen in this amazing Tower Defense game. Enter a bizarre daydream world in co-op or solo mode. Gather resources, build defense towers, and manage your classmates. Take up the challenge and defeat the incoming enemies!

Siege the Day$12.99
Siege the Day is a tactical real-time combat castle builder game. Take control of your castle's defenses and fortifications. Engage in epic 1-on-1 battles! Build your ultimate castle and use catapults, cannons, magic spells, and dragons to wage war against other players.

希望之城 The City Of Hope$6.99
A light city-building game that combines elements of card games and tower defense, where players must survive daily enemy attacks and gradually grow their strength to ultimately defeat powerful invaders.

AOD: Art Of DefenseFREE
AOD is a new gameplay in the traditional tower defence genre. You must protect your base from waves of approaching enemies. Build and improve your towers and units and destroy your enemies in any way you can. Don't be weak, destroy them all, show who's in charge!

The Riftbreaker$29.99
The Riftbreaker™ is a base-building, survival game with Action-RPG elements. You are an elite scientist/commando inside an advanced Mecha-Suit capable of dimensional rift travel. Hack & slash countless enemies. Build up your base, collect samples and research new inventions to survive.

Epic Auto Towers$14.99
Epic Auto Towers is a turn-based strategy game combining elements of autobattler, deckbuilder and roguelike. Purchase uncommon and rare Towers and build the strongest combo to withstand the monster assault! Discover unusual new Tower combinations as you come back for more.

Buster's TD$9.99
A fun physics-based tower defense game where you build your own base and maze. Featuring a very cute dog named Buster and his evil twin named busteR.

Tower Alchemy$6.99
Tower Alchemy is a classic Tower Defense game with a twist. Mix and match your basic towers to unlock new powerful combinations from laser cannons and rail guns to meteor swarms and lightning bolts!

Roman Empire vs. Barbarians$4.99
Barbarians keep expanding all over the place and you’ve been summoned as the hero who’s going to stop them. You’re provided with a Roman Empire tower that comes with a powerful catapult and a team of warriors. Will that be enough to stop the barbarian invasion?

Digs TD$19.99
Take on the ultimate tower defense challenge in Digs, a roguelike game where you shape the battlefield, mine resources, and strategize against a variety of enemies. Manage your actions, customize your arsenal with upgrade cards, and explore diverse levels. Can you dig in and emerge victorious?

Minibots TD$9.99
It’s defense time! Arrange your forces against the invading Robotic tribe called the Kaids. Choose your arsenal and place them wisely for excellent road defense. Prove your defenses against challenging enemies.

Space Cube Tower Defense$199.99
You control a space station in the form of a cube that protects the planet from invaders.

Infinitode 2 - Infinite Tower DefenseFREE
Infinitode 2 - a strategy in the Tower Defense genre, in which the player will have to build towers to protect his base from endless waves of enemies. The game features huge maps, lots of towers, resource miners, upgrade tree and map editor.

AMazing TDFREE
AMazing TD is a unique strategy game that focuses on building mazes in a competitive Tower Defense gameplay. Explore endless possibilities as you play on maps with distinct randomized tiles. Each game you will experience will require different strategies.

Planetary Defense Force$5.99
Jump into the shoes of an interplanetary defender! Grab weapons, build towers, expand ground economics and protect planets from space invasions in this unique mix of twin-stick shooter, tower defense and city builder game.

Hell Warders$14.99
Face the gates of Hell in a fusion of third-person action, RPG and Tower Defence. Repel the demons alone or in co-op by building defences. Upgrade powerful units to help you in battle, before jumping into the fight yourself, with an arsenal of skills and weapons to rip apart the oncoming swarm.

Cursed CropsFREE
Play with up to 4 players as a group of conspiracy addict farmers as you defend farmlands built on haunted land from the cursed vegetables that rise during the harvest.

Guardians of the Sanctree$19.99
You and allies, avian inhabitants of Sanctree City, build structures and production lines on the tree, crafting weapons to fend off subterranean insects. Defense is just the start—dig deeper, destroy nests, fortify new defenses against escalating threats for an impregnable stronghold.

TailQuest Defense$9.99
Explore a tiny world, defeat hundreds of enemies, experiment with the environment, find all secrets and enjoy the Adventure with a friend or in single player mode!

CBO TD$1.99
CBO TD is a build your own maze tower defense. Protect your castle from hordes of mobs with different classes of towers.

Tactical Rampart$3.99
Tactical Rampart is a RPG, survival game in which you will become the defender of a rampart from the attack of zombies in outer space. Using guns and towers, could you successfully defeat them?