S2 ENGINE HD is a complete general-purpose software kit for developing and running videogames or other virtual-reality applications such as architectural walkthrough, physical simulations, etc... From single users to architects, from indie teams to semi-professional or professional game teams, all can take advantage from S2Engine HD technology power for producing games, serious games, architectural walk-throughs, realtime animated sequences, simulations and so on...
This image shows a scene rendered in S2ENGINE HD editor with and without Screen Space Global Illumination
Is S2's screen space global illumination baked or in real time?
Took me a while to find it for my own reference, so I guess I'll post this video link here. It demonstrates the same effect (radiosity) in Dice's Frostbite 2 engine. Youtube.com