FreeGameDev

Posted: **13 Mar 2016, 00:10**

The engine is the one powering the old Serious Sam games.
You can find it here.
They are even accepting pull requests.

Posted: **13 Mar 2016, 05:56**

I hope they manage to merge it with the icculus Linux port.

Croteam has released the Serious engine under the GPLv2