Dark forest scene with car headlights in Afraid of Monsters Director's Cut mod

Azure Sheep is a story mod for Half-Life where the player takes on the role of security guard Barney Calhoun. Unlike the original, his main goal is to rescue his scientist girlfriend Kate from the Black Mesa complex. The mod adds a new campaign with unique maps, enemies, and scenes, and is closely intertwined with the events of the original game.

Overclocked is a large-scale modpack for Duke Nukem Zero Hour: Recompiled that fundamentally reimagines the game. It turns the original third-person action game into a full first-person shooter that feels close to the classic Duke Nukem 3D experience.

Half-Life: Vertigo Mod is a total conversion of Half-Life on the GoldSrc engine, recreating the atmosphere of the cut "Vertigo" level from Half-Life 2.

Rise of the Reds (ROTR) - Falcon Rising Campaigns - an addon based on Falcon Rising Patch for the ROTR mod, which adds additional campaigns for USA, China, GLA and Russia. 31 missions in total.

Black Ops is a single-player mod for Half-Life where you play as an agent of the elite Black Operations unit. Your mission is to eliminate the rogue scientist, the elusive Gallagher, and then return to Black Mesa with a bomb. The mod stands out with its vivid stylization — graphic comics instead of cutscenes, as well as atmospheric urban locations.