DangerDog wrote on Sep 27, 2011, 12:28: Releasing the mod tools would be a colossal undertaking for them, also due to the complexity of the game engine used you would never be able to figure out how it all works.
This is what I never understood. Quake used QuakeC. Here it is. Good luck. Final result is some of the best games and mods of all time. And mapping/modelling was the same. HL had Worldcraft(or whatever it was) and it wasn't any easier.