To be clear: Rockstar Games has never released such a title.
It sounds like you're looking for a guide on a hypothetical or modded crossover: meeting Alien vs. Predator 2 (the 2001 PC game from Sierra / Monolith Productions). GTA Alien vs Predator 2
It sounds like you're looking for a guide on a hypothetical or modded crossover: meeting Alien vs. Predator 2 (the 2001 PC game from Sierra / Monolith Productions).