One of Steam's finest games started out as a Half-Life 2 mod.

Chapter I: Out of the Breach introduces a new ability system built on Runestones. Collect them, then slot them into a Runebinder’s Lattice to shape how you fight. Avatars can now equip up to two ...

Zombies have a way of grabbing our attention with their relentless hunger and eerie presence. Whether it’s scavenging for supplies or outrunning a horde, ...

Garry’s Mod, is getting a major overhaul as creator Garry Newman addresses negative reviews and plans a free-to-play ...