Obs: Brazilian mod --- MOD NACIONAL. Roger Casali is a weapons designer and former resident marine scientist at the "Black Mesa" complex. Now, more than ever Roger will need your skills. The installation at the moment is the scene of a catastrophic event called "cascading resonance," a phenomenon that creates random dimensional cracks in the radius of the installation bringing wild creatures from another world. His weapon is a prototype HEV suit endowed with improvements and adaptations to combat. The suit is more tolerant of projectiles and explosions. With his skills, his costume and a group of survivors Roger must leave the facility that is now destroyed by unknown creatures and by a military force to protect the outside world.
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