Catalyst: From the stars, a Boss-Rush First person shooter. As a lone mercenary sent into a ruined military base hired to steal a power source, you must fight for your life through dark halls and thrilling boss arenas to complete your mission! Do you have what it takes to face the Catalyst?

Catalyst: From the stars, a Boss-Rush First person shooter. As a lone mercenary sent into a ruined military base hired to steal a power source, you must fight for your life through dark halls and thrilling boss arenas to complete your mission! Do you have what it takes to face the Catalyst?