: The original single-player campaign (v1.1.1.0 or v1.1.2.1). Opposing Force : The expansion featuring Adrian Shephard. Blue Shift : The expansion featuring Barney Calhoun.
Because this is a community-distributed file, the exact contents can vary slightly depending on the specific "full post" or forum it was downloaded from, but a standard version generally includes: Standard Contents HL AIO.rar
Posts sharing this file usually highlight these technical adjustments to make the old game run on modern systems: : The original single-player campaign (v1
: An optional set of updated models and textures for weapons and characters. Because this is a community-distributed file, the exact
: Often included as the primary multiplayer component. Team Fortress Classic : The precursor to TF2. Day of Defeat : World War II multiplayer mod. Deathmatch Classic : A tribute to Quake-style gameplay. Ricochet : The neon disc-jumping multiplayer game. Common Features in the "Full Post"