Gary Newman just updated it's Half-Life 2 engine modification -- Garry's Mod. Here's the list of new additions to the latest version, which is available from Valve's Steam network.

1. Switched to new EP2 Engine more...

Garry's Mod now comes with support for Valve's Orange Box games like Episode 2, Portal and Team Fortress 2. The modification is a physics sandbox, that unlike regular games, doesn't have any rules or goals. It simply let's you do all sorts of fun stuff with Source Engine in-game elements. more...