The quick brown fox jumps over the lazy dog

JITTER

No subpixel precision, so vertices snap to whole pixels.

WARP

No perspective correction, so textures bend on big polygons.

DITHER

15-bit color smoothed with a 4×4 Bayer pattern.

MODE

Switches between 320×240 and 640×480.

Everything is built in code: boxes, five-sided cylinders and four-sided cones, with 16-pixel procedural textures and per-vertex lighting.