If you finish the game once and don't enter a name at the highscore display and then start another game, all the user name will somehow get converted into integers, thus completely corrupting the highscore file.

Before

EVILPLANWURKING! 1280
 1020
jeden 10
dwa 9
trzy 8
cztery 7
piec 6
szesc 5
siedem 4
osiem 3
dziewiec 2

After

EVILPLANWURKING! 1280
1280 1776288361
 18219008
 840
 0
 56
 1781414304
 78929872
 0
 17691504