The following program was released in the 4k intro competition at tUM 2003.
Programming language used: NASM (Netwide Assembler), texture and sound are calculated at running time.
Merry X-Mess
tUM 2003
Display resolution: 640x480, 800x600, 1024x768 and 1280x1024 at 32 Bit, 640x480 and 800x600 at 16 Bit