The gameplay mechanics in the PSP version of Doom 3 are similar to those found in the original game. Players control the Doom Marine as he navigates through a Martian research facility, fighting against hordes of demons from Hell.
If you are looking for the definitive way to experience Mars-based terror on the go, the Doom 3: BFG Edition RG Mechanics doom 3 bfg edition rg mechanics portable
: Includes the original DOOM 3 , the Resurrection of Evil expansion, and a new 8-level campaign called The Lost Mission . The gameplay mechanics in the PSP version of