Video of Raydium stand at Scoptione 2004 (numeric arts festival, Nantes, France) and a Raydium demo video showing what is "making video games" (subtitles in french).
Early video of what was the first networked game of Raydium: King of the hill
Landscapes (2 videos)
Physics: stunts and camera tests (video)
Ragdoll tests (3 videos)
First Augmented Reality tests (2 videos)
"Live" API (2 videos). Second video is using dynamic lightmap filters.
Animation and shadows (1 video).
Shaders: water (3 video, last from "Volcano" demo).
Lights and shadows (pictures)
Toon shader, Normal Map shader and Water shader (4 pictures and 1 detail picture)
Pseudo-HDR (pictures)
Cars and physics (pictures)
Various landscapes (pictures)
In-game console (picture)
Multiplayer games for Raydium: "Chasse à l'homme", Kartagony (alpha) and KingHill2? (pictures)