Impulse engine is no longer being worked for various reasons. Some people believe that Impulse is based on Darplaces, which is not at all inaccurate. However much of the code is revised/optimized. Darp Warp, the engine originally meant to power Left 4 Quake and succeed Impulse, is entirely based on darkplaces as my hard drive containing Impulse Legacy III had crashed. Thank you for reminding me to credit Darkplaces. We may delete this page in the coming weeks, however the engine will still be available on the i5000 website. I hope you all have a good day and have fun developing new mods or games!
The first public release of Impulse Engine, or more specifically, Impulse Legacy. Impulse Legacy is a branch off from the mainstream Impulse code. Legacy is built to keep Legacy support with Quake based games (eg. Quake, HeXen II etc.) Along with keeping support for Quake engine based games, It has 99.9% support for Darkplaces mods and addons.
You can find this release in the downloads page (if it is not there, it is currently awaiting authorization.).