アクション, アドベンチャー, 無料プレイ, 独立系開発会社 - リリース日: 2013年12月3日

Half-Life: Before – is a modification for Half-Life with new levels and story. Mod is based on Spirit of Half-Life 1.8 technology, that increases visual and functional component of the mod.You're playing as a Black Mesa scientist Andrew Winner.

リリース日: 2004年10月31日

Zombie Panic is a cooperative survival horror Half-Life Modification that pits a group of survivors up against the walking dead. Your goal is to complete a number of objectives to reach safety or take out the remaining zombies still lingering in the...