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Free games to play.
http://www.desura.com/games/perilous-peak
During the Cold War this complex was the home of scientists who conducted secret tests and experiments in an attempt to create new weapons with which to fight the Soviets. Something went wrong; the test subjects began mutating into horrible monstrosities. The creatures broke out and killed everyone in the complex. In the confusion of the Cold War the lab was lost and forgotten. Now nearly 30 years later the whole complex is falling apart, constant storms have worn the building down and the creatures inside are as dangerous as ever. The complex still shows signs of the horrible violence that occurred there as the scientists and base security tried to defend themselves from the monsters they created. The monsters have survived in the building, its isolation and the extreme weather protecting the rest of the world from the abominations within. The frozen complex has lain dormant and undisturbed all this time, until now.
http://www.desura.com/games/datajack
In the not-too-distant future, governments have dissolved and powerful mega-corporations wage covert wars for territory and the control of information. As a freelance mercenary, you will conduct sabotage, assassinations, espionage and ambushes on their behalf to line your pockets and pay for top-of-the-line weapons and cybernetic limbs. Will you side with the corporations, the private military, or perhaps with the radical anarchist youth hacker gang in an attempt to bring down the entire corrupt system?
http://www.desura.com/games/obitus-the-final-departure
Obitus: The Final Departure is a top-down multiplayer zombie shooter game where the entire world is physics based and at the palm of your hand! In this game there are many features and things that the players can do such as push tables and other worldly objects, use robots, level up and plenty more. Obitus: The Final Departure is not just another zombie survival game because this game will also contain an in-depth campaign with many chapters and hours of gameplay! We are also implementing a long awaited Team Deathmatch gamemode!
http://www.desura.com/games/elette
Under the rule of Mathias, the citizens managed to rebuild some of their once proud nation. After years of reconstruction, the island nation of Lotte is soon threatened by a darker, more vile threat; one that had been sleeping since the Reaper Wars. Take control of Mathias as he fights for his life against the invading horde in this haunted tower defense game!