What is Project Exilium – Breeding Protocol? Project Exilium – Breeding Protocol combines turn-based combat with mature themes set in a hostile extraterrestrial system. What kind of protagonist does the game feature? You control a male character trapped in an alien world, forced to navigate dangerous technology and twisted breeding protocols to survive. What sets this game apart from other deck-builders? Each run changes based on your choices of elemental combinations and cards, which unlock different playstyles and lewd interactions. Think you can master the breeding protocol and survive the alien horrors?