Top similar games like Alien 911:

You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.

A cooperative action tower defense and third-person shooter where vision is mutually exclusive. Place towers to shine light on the endless horde of bugs, or use augmented vision to fight alongside defenses. Equip powerful modules that unleash your strategy's true potential!

ZAMB! Endless Extermination is a mash-up of a twin stick shooter and a tower defence game. Play in local co-op or online with a friend, sibling or partner as two space agents, Cye (the brawler) and Chrome (the tactician).

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

Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment. As a powerful War Mage with dozens of deadly weapons, spells, and traps at your fingertips, defend twenty-four fortresses from a rampaging mob of beastly enemies, including...

Dungeon Defenders Eternity is the definitive version of the original tower defense action-RPG! Now featuring a rebalanced endgame, all new missions, secure online play, links to Dungeon Defenders II and more!

Earth is burning. The Reapers have taken over and other civilizations are falling like dominoes. Lead the final fight to save humanity and take back Earth from these terrifying machines, Commander Shepard.

A co-op shooter-RPG with a retro-3D aesthetic. Customize and upgrade your character as you take back the city of Vestige from demonic machines!

Welcome to Gocco Studio Japan, a futuristic playground where kids come together to play make-believe war — a tradition started almost a hundred years ago. Up to 32 people can join a lobby, and up to 8 players can join up to take on quests.

Join forces with rebels and their technologies to have a chance to restore freedom in a world that has fallen to the uncontrolled dominance of supreme artificial intelligence.

Grab your hammers and start to craft in this co-op Tavern Defense for one to four players. As a team of Dwarves, you must gather supplies and build towers to protect your beloved brewery. Learn to cooperate to achieve victory in this chaotic multiplayer game!

Dungeon Defenders: Awakened is co-op Tower Defense combined with epic Action RPG combat. You’re able to join forces with up to four players to take on a never-ending army of orcs, demons, and dragons! Are your defenses strong enough to save the world of Etheria?

Slice, burn, toss, zap, grind and gib massive hordes of repugnant orcs in this long-awaited successor to the award-winning Orcs Must Die! series.

A Sci-fi wave-based game with a variety of weapons and bosses every 10 waves. Also has a shop after every wave with health, ammo and upgrades. WASD movement and keys 1 for Blaster and 2 for Rifle.

Puropu Rogue Invasion is a 3rd-person action-roguelike shooter. Assemble and command your pets, build your character using hundreds of items to repel hordes of enemies. Prepare for epic battles, where a combination of careful strategic planning and improvisation are key to succeed.

The United States has a military presence in two-thirds of countries around the world, and some of them have had enough. A group of terrorists calling themselves The Engineers initiate a terror ultimatum called the Blacklist - a deadly countdown of escalating attacks on U.S. interests.

Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.

Combining Roguelite, Action RPG, and Tower Defense gameplay into a crazy free-for-all, where it’s you and up to three friends versus hordes of enemies. Select your hero, survive the waves of foes, unlock new weapons and runes, and take on the bosses that await you!

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.

The First Descendant is a third-person looter shooter powered by Unreal Engine 5. Become a Descendant. Fight for the survival of humanity. Descendants have unique abilities to tackle both solo and co-op missions. Up to 4 players use varied mechanics to defeat giant bosses. BE THE FIRST DESCENDANT!

Little Savior is a real-time battle action game in which many units fight with each other. The player operates directly as one of the units to fight.

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!

Fight fires for fun and profit in this unpredictable and frantic multiplayer game. Team up with friends, take on daily challenges and climb to the top of the corporate firefighting ladder. More than one way to become a hero!

Throbax TD is the "Tower Defense" game you are looking for: Help Ughlar fight his way through 50 levels, buy over 100 upgrades and get all of the 50+ achievements.

We Are The Dwarves is a real-time tactical adventure where you take control of three Dwarven astronauts and lead them through the hordes of enemies in the depths of their Universe.

Conquer an industrial wasteland to save your sinking home. Battle adversaries, make choices, and become the hero against global warming. A first ever third-person RPG on Global Warming.

Grids of World is an indie game developed by individual based on Tic-Tac-Toe principle.There are 9 strongholds in game,winning rules require players to occupy three consecutive strongholds forming a line.You can play with computer or online players to experience Team strategy and individual battle.

Prevent Doomsday AFTER it happened! Designed by the co-creator of Sang-Froid - Tales of Werewolves and featuring both a single-player and co-op campaign, TimeMelters is a strategy hero defense where you go back in time and fight alongside your past self against an onslaught of powerful foes.

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.

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.

Create a hero from one of four classes to save Etheria in this 4-player coop Tower Defense Action-RPG. Includes Steam exclusive Portal gun & TF2 familiars!