Xenogenesis by Autumn Dreams.

A game for the Megazeux interpreter.
To play this game, you need the interpreter:
http://os4depot.net/share/game/megazeux/megazeux.lha

To install it, copy Xenogenesis/ to Megazeux:games/

Then run the interpreter and select the game.

About the demo:

A demo with animated screens that made people in the
Megazeux scene go crazy back then.