Ye Olde CN Games - Chowder: Tricky Treats

[@henrythepotatohead]

0:10 - Levels 1 - 3
0:38 - Levels 4 - 6
1:37 - Levels 7 - 9
3:43 - Levels 10 - 12
5:20 - Levels 13 - 15
7:40 - Levels 16 - 18
10:39 - Levels 19 - 21
12:48 - Levels 22 - 24
15:51 - Levels 25 - 27
20:17 - Levels 28 - 30
26:21 - Levels 31 - 33
30:50 shows the list of completed levels (it gets reset after you cleared the game), with each level represented by a treat which gets colored to indicate your progress.

[@MaulanaAkbar-k6s]

What is ost used?