Includes 4 items: Half-Life 2: Lost Coast Half-Life 2: Episode One Half-Life 2: Deathmatch Half-Life Deathmatch: Source Half-Life 2: Lost Coast Originally planned as a section of the Highway 17 chapter of Half-Life 2, Lost Coast is a playable technology showcase that introduces High Dynamic Range lighting to the Source engine. Half-Life 2: Episode One Originally planned as a section of the Highway 17 chapter of Half-Life 2, Lost Coast is a playable technology showcase that introduces High Dynamic Range lighting to the Source engine. Half-Life 2: Deathmatch Fast multiplayer action set in the Half-Life 2 universe! HL2's physics adds a new dimension to deathmatch play. Play straight deathmatch or try Combine vs. Resistance teamplay. Toss a toilet at your friend today! Half-Life Deathmatch: Source Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played maps, now running on the Source engine.