intro

johdanto, alkusoitto

esitys Short form of introduction.
puhekieltä A small demo produced to promote one's demogroup or for a competition.
1999, "brainpower / digital artists", Win32 demos (on newsgroup comp.sys.ibm.pc.demos)

If the rules specify that the DLLs' size will be added to the 64K limit, there's not a lot of space to code an intro.

Games, demos, intros. They were the same, this was the scene. The trend was that you cracked and made demos and intros.