Here you will find new Oik 5 levels which are much more difficult than in the original game.
In order to get to the new levels you need to go through at least 40 levels of the original game.

Added file with soundtrack.:

▪ Name: "Oik 5 - OST space"
▪ Format: mp3
▪ Size: 6,68 mb
▪ Rate: 320 kbps
▪ Author: "Trauerbaum"