Aliens in crystal life form came from space to capture Earth and vanish humanity. Only plants can destroy the crystals so save our planet by seeding them strategically in the way of alien organisms. The plants will shoot them and on some stages you will be able to capture power wells that can double the growth speed and the seed costs. In this interesting strategy game you can upgrade your powers and have better chances at winning the alien battles. This alien game is really worth playing.
Genre: tower defense organism crystals aliens
A funny little alien crashes on an unknown planet and he has to find the way back. Use your skills to click the bolt and move the wooden boards strategically so that the alien gets to the exit of this great puzzle game. Make sure he collects all the sweets from the tunnels to get to the next planet until he reaches home.
Genre: bolt gravity physics planet
The astronauts are in danger because a UFO is flying around pointing them with a deadly laser weapon. Build shelter for the astronauts and try to keep them safe from the enemy spaceship in this free online puzzle game. A very fun alien game.
Genre: objects physics aliens skill
A alien game specially for you. Strange creatures from an unknown planet are invading your land. Defend your base, repair the building, upgrade your powers and destroy the enemies.
Genre: space weapons destroy shooter
Aliens are back to earth and the city is under siege. Evil plants have taken humans hostage. Eliminate the alien plants and save your fellow humans as you progress through each level.
Genre: destroy guns units army
You are defending your planets from waves of aliens coming to conquer it. Place fighters of various types to defend your planet, use the laboratory to develop new types of equipment and make upgrades to face even more aliens.
Genre: action strategy upgrades defense
Complete the Desert Moon mission by killing all the alien creatures that are forcing the attack to your base. Protect the wrecked ship and use your weapons wisely. strategically place your troops and upgrade your guns when needed.
Genre: attack battle war survive
The little alien got trapped on earth and asks for help from his alien buddies. Manage his buddies and their special powers of exploding, reversing gravity or grabbing in order to get the little alien back on the space ship. A physics puzzle game that will challenge your intelligence with funny situations.
Genre: gravity physics skill rescue
The outpost has been invaded by aliens. A great shooter game about strong soliders and an endless crowd of enemies coming to conquer your base. Make sure you face the aliens and kill them before it's too late.
Genre: attack fire mission guns
A.R.C.S is an online shooting game with the action placed on another galaxy. You must defend your base by killing the enemies and protecting the resources of A.R.C.S. Make sure no one will pass your soliders. When you are overwhelmed, multikill might give you a chance to survive o the battlefield, try to kill more than one enemy at a time. A.R.C.S is a great shooting game that will challenge your patience and agility. This alien game is really worth playing.
Genre: mutants shop robots fire