SIO2 Free Open Source 3D Game Engine for iPhone and iPod Touch ~ 2008 Demo

http://sio2interactive.com [ Architecture ] - Optimized File Format - Unique Package Approach - OpenGL ES v1.1 Compatible - Written in pure C [ Tool Chain ] - Built around Blender (WYSIWYG) - Exporter & Optimizer - Auto Texture Bake Script - Animation Exporter [ Real Time Physic ] - Rigid Body - Collision Detection - Soft Body - Particle System - Fog [ Texturing ] - Multi-Texturing - Texture Filtering - Anisotropic Filtering - Transparent - Semi-Transparent [ Multimedia & Special Effects ] - Ambient & FX Sound - Real 3D Stereo & Surround - Realtime MP3 Playback - Realtime MPEG 4 Playback [ Scene Management ] - Fast Sorting & Culling System - Event & Trigger System - Scripting Support (Level & UI) - Network Support (TCP/IP) - Touch Screen & Accelerometer [ Lighting & Shadow ] - Per-Vertex - Light Mapping - Projected Shadow - Projected Geometry [ Animation ] - Full IPO Support - Hybrid Skeletal Animation - Keyframe Animation