Lightsmark is a new OpenGL 2.0 based benchmark with realtime global illumination in practical scenario: level from 2007 game (220000 triangles). Realistic lighting effects like color bleeding and penumbra shadows run in high resolutions (1680x1050) with average fps up to 400. Suports Geforce 5/6/7/8 and Radeon 9500-9800/X/X1/HD. New version 1.2 includes partial source code, compatibility improvements. Based on World of Padman graphics, IN-SIST music, Lightsprint engine.