Zombie Panic!

Half-Life - Full Audio Remaster is a modification for Sven Co-op and the Xash3D engine, created to precisely remaster all low-quality sound effects and dialogues from Half-Life, Blue Shift, and Opposing Force. Monster, machinery, scientist, weapon, and even footstep sounds have been manually cleaned and restored to full 24/44.1 kHz quality.

Uncapped Handicap AI - a mod that reworks the handicap system file of FlatOut Ultimate Carnage so that bots become faster and don't play easy with you if you fall behind them.

A patch that modernizes Half-Life: Zombie Edition adds a new menu and a loading screen based on new Half-Life 25th Anniversary GUI features, such as an HD background and an animated logo.

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.

Resident Evil: Cold Blood is a Half-Life mod based on the Resident Evil Outbreak universe that immerses you in the atmosphere of survival during a zombie apocalypse. You'll need to wisely use limited ammunition, mix powders, manage inventory, and think through every move.