video game, Doom 3, console commands, cheat codes, god mode, noclip, give all weapons, spawn monsters, change levels, developer mode, first-person shooter, dark corridors, Mars base, sci-fi horror, high-resolution textures, dynamic shadows, interactive environment, real-time lighting, atmospheric effects, detailed character models, immersive gameplay, advanced physics, complex puzzles, intense combat, eerie soundtrack, 3D graphics, ultra-quality settings, widescreen support, multi-platform compatibility.