Top similar games like Towers of Altrac:

Build your own cardboard fort and defend it against swarms of enemies. Gather resources, craft weapons and set traps. Be creative, improvise and experiment to win.

Dive into intense, fantasy, tower defense action! Using turrets, spells, and your cunning, you must defend your kingdom against an onslaught of enemies launching a surprise attack while the king is away.

Farm, Build, Defend, in the Galaxy's only Arcade-Tower-Defense.

The kingdom of Cubia call for your help, come to this vast kingdom where you will face strong enemies and hard challenges, you are the chosen to defend the cristals of life and finally bring peace to reign of Cubia.

The way I make it becomes the way! A round at the square block! Square Block 3D Tower Defense with various routes and strategies! Turn the tide of battle by deploying powerful heroes. How many waves can you hold on until the defense collapses and breaks down?

The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available.

Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

Protect the asteroid mine's reactor from swarms of supersized alien protozoa. This game's groundbreaking AI system uses machine learning to adapt to your strategy in real-time as you build and upgrade your defenses. Fight evolution itself.

Embark on an endless tower defense journey in "Invasion." Procedurally generated maps, unlimited levels, and strategic tower upgrades await. Defend against relentless waves and unlock a diverse array of towers. Your choices shape the fate of the realm!

Build robots, devise a battle plan and fight alongside them!

Voodolls is a cooperative Action Tower Defense game in spherical worlds. You play as voodoo dolls looking for redemption and are forced to protect your Puppet Master from the demons that are chasing you. Friends, totems, and rituals will be your most valuable assets during this crazy adventure!

Eden Star is a fast paced Sci-Fi survival game that blends unique physics based combat, destructible environments and free-form construction with the exploration of a hostile alien world.

Deformity is a turn-based fantasy strategy about a world dominated by sins.

An asymmetric 1v1 tower defense/offense multiplayer game set in a fantasy medieval setting. Attack or defend the castle. Level up, and use magical spell cards to gain an advantage.

Defend The Keep, a fast-paced action strategy game with fireballs and towers! Defend your villages against waves of hogs, ogres and insects.

Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.

You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

Guns and Robots is free to play online third person shooter. The game brings robot action with massive customization. Players get cartoony bright 3D graphics in attractive environments and challenge each other in open arenas.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

An open-ended factory management game with RTS and tower defense elements.

Assemble legendary Spirits and defend against the endless hordes of Hell. A tower defense where you must shape the battlefield and create a maze using the three Hellements. Use Fire, Lightning, and Wind tiles to trap your enemies, or augment your defenses.

RealmCraft is the original Sandbox Game. Build Cubes & Explore 30+ Blueprint Worlds in 3D. Try to Survive & Use 100+ Types of Blocks to Build Your Unique Town.

UWBO is a Tower Defense game about some cute waifus that try to prevent the invading monsters from absorbing the energy from the Energy-Crystals. Play it in coop mode with your friends to help each other and of course the cute helpless girls.

Tiny Tactics is a Tower Defense game with a heavy focus on mazing, with mechanics inspired by the Auto Chess genre.

Defenders: Survival and Tower Defense is a Cooperative First Person Shooter that redefines the tower defense genre. Team up with friends, drop in to a variety of diverse maps, and defend The Core from waves of hostiles with a unique arsenal of upgradable weapons and towers!

Elemental War 2 offers you the popular tower defense feeling combined with innovative game mechanics - the ultimate mix for many hours of fun!

You have 9 days to find a safe place on the planet. Your ship is low on fuel and you have to land. Setup sentry guns around you to defend yourself while you collect more fuel for the ship. AI controlled Drones and Tanks attack you trying to find weaknesses in your defenses.

From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons!

Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.