Doom 64: Unseen Evil - Classic Doom Overhaul
Recommended Files

Voxel DoomDoom (1993)
Voxel Doom is a revolutionary graphical mod that replaces the flat 2D sprites of the first Doom with full three-dimensional voxel models, while perfectly preserving the original retro style. It's the ultimate way to add genuine volume to the iconic shooter without losing its atmosphere.

NehahraQuake (1996)
Nehahra is an unofficial Mission Pack 3 for Quake, combining a large-scale single-player campaign with an almost 4-hour machinima, The Seal of Nehahra, which serves as a prequel to the game's events. The mod offers challenging gameplay with improved AI, new enemies, and atmospheric levels.

Half Life: NO - HOPEHalf-Life (1998)
Half-Life: No Hope is a realistic and hardcore mod in the spirit of the Hopelessness mod series. You are a scientist without an HEV suit, trying to escape Black Mesa under conditions where weapons kill with one or two shots — both you and the enemies.

Pro Gen Mod: Unofficial ExtensionCommand & Conquer: Generals (2003)
Pro Gen Mod: Unofficial Extension — an addon for Pro Gen Mod v2.6: Director Cut, which evolved from a Challenge mode update into a major expansion. It fixes bugs, refines generals, adds cut units and features, eliminates crashes on Challenge mode maps, improves balance, AI, and stability.

PrBoom: Ray TracedDoom II: Hell on Earth (1994)
PrBoom: Ray Traced is a ray tracing mod for Doom that brings the classic shooter into the modern era. Thanks to Path Tracing, dynamic lighting, and reworked materials, the game takes on a new look while preserving its original spirit.

Halo: Doom EvolvedDoom II: Hell on Earth (1994)
Halo: Doom Evolved is a large-scale mod for GZDoom that brings the Halo universe into Doom. Expect over 54 weapon types with realistic animations and alternate fire modes, 3 unique Spartan classes each with their own movement mechanics (from bunny hopping to grappling hooks), and 8 flexible arsenal customization modes.

Quake 1: Ray TracedQuake (1996)
Quake 1: Ray Traced is a mod for Quake (1996) that adds full ray tracing. It completely reworks the lighting, offering a classic mode with RT effects and a full Path Tracing mode that radically transforms the game's atmosphere, making it feel more modern and technically advanced.