Half-Life 2 Substance V0.32 Singleplayer Mod

HL2: Substance V0.32 includes 32 levels, many skin addons and a soundpack!
Enhanced single player experience by xdiesp: This mod gives a new breath to HL² single player by improving each and every aspect of its gameplay. In short,no level plays the same again. I'm a fanatic of intensive action and my levels speak for me.