Mutation of J.B. (1996, PC) [English commentary]

Mutation of J.B. is a point-and-click adventure developed by Slovakian company Invention (with some input of Austrian company neo Software) and published by Germany company TopWare CD Services (in German-speaking countries) and Slovakian company Riki Computer Games (in Slovakia). It was only released in german and Slovakian language, as far as I know.

You play a young boy called Johnny Burger who visits his cousin Emmanuel in the town of Cool Lake for 2 week summer vacation. When he arrives at Emmanuel's home, he only finds a note that he had to leave for some urgent business. Then a scientist, Prof. Foogl, appears in search for emmanuel, since the latter was working as a test subject for Foogl's latest invention. Foogl convinces Johnny to serf as a test subject instead by offering money. Unfortunately, the professor gets abducted by aliens during the experiment, causing the experiment to fail, turning Johnny into an anthropomorphic pig. Now Johnny needs to find the professor to make him turn Johnny back, and to give him the promised money.