1. Play on Gold Mine
2. Play on 4 a.m.
3. Play Sprinter
4. Have a little bit luck with the Tasks
5. Have a little bit bad internet connection, so for Tux are the Npcs lagging and so he can't recognize you by movement

Its not work everytime and its have only a 5% Chance so that it works
If you have questions...

dont ask me.