Volatile3D II is a game engine with modern graphic effects, interactive physics and many other features. Its renderer features realtime per-pixel lighting, parallax mapping, dynamic soft shadows, screen-space ambient occlusion, post-process filters, bezier curves and many other popular graphic techniques. Physics is based on Newton Game Dynamics engine.
Different beam effects: regular beams and beam rings, fractal and sine noise, start/end shading, attaching beams to actors (up to 32 client-side attachments are supported). See video also.