Note: see the LSL Wiki for more info on many of these features.

engine: proprietary; OpenGL only

• atmospheric/environmental effects
  • dust: impacts, anything
  • shaking: customizable
  • shards: customizable
  • smoke: anything
  • sparks: anything
  • steam: anything
  • water: ripples
  • weather
    • clouds (moving; cellular automata), rain, snow; see particle effects
    • stars twinkle
    • wind: clothing, hair, particles, trees; varies (direction, velocity)
  • other: explosions, fire; see particle effects
• collision detection: vertical angle adjustment
• lighting: dynamic, colored, vertex & lightmap; day/night light cycle, coronas (debug only), blinking; anything
• particle effects: anything
• physics: Havok 1 engine
  • gravity: avatars, objects
  • friction, inertia, momentum: anything
• reflection: see environmental texture mapping
• shadows: vertical angle adjustment, ovalular masks; avatars, large objects
• skeletal animation: yes, Poser BVH
• texture: 24-/32-bit depth; TGA import, JPEG2000 convert, BMP export
  • filtering: bi-/trilinear, anistropic
  • mapping: bump, mip
• transparency: anything
• other: LOD, pixel-shading (terrain water)

player model

• character: skin, facial animation; customizable
• footsteps: default
• moves: crouch, jump, run, shoot, strafe, walk
• view: 1st-/3rd-person
  • pan/rotate: keyboard/mouse
  • zoom: mouse; FOV change

level/world design

• # levels: 1 world, many sim(ulator)s
• location: anywhere; islands
• cutscenes: no
• level editor/modeller: integrated; primitives (parametric meshes)
• environmental interaction
  • break: customizable
  • explode: customizable
  • move: anything (with physics enabled)
  • open: customizable
  • pickup: anything
  • ride: anything
  • other: build
• puzzles: customizable
• traps/hazards: customizable

weapons: customizable

NPCs

• customizable
• AI: follow, attack, push

inventory: calling cards, animations, landmarks, objects, pictures, screenshots, scripts, sounds, textures

other

• sound: stereo, doppler effect; FMOD