Are you a Level Designer? Are you looking for help/support or other level designers? Then this is the group for you! Doesn't matter what you map for, if your a beginner or a professional this is the group for you.
After reading this tutorial, you will know how can have NPCs searching the player in the whole map ! You can apply as well as for zombies as combines.
A tutorial on how to add rain, snow, snowfall, or ash to your map. Works for any source game!