If you remember the bug, can you share it in any helpful detail.
Viewing post in Alex's Vantastic Adventure comments
Posting the traceback would help. Each time you play the game it updates a log. If it has an error, it will appear in the traceback. If you are playing on mobile/Android version, then it might be a compatibility issue. Here is an example, (Nunu this is old for the 0.3 version)
I'm sorry, but an uncaught exception occurred.
While processing text tag {size = 72} in u'{size = 72}Your score is: 2128!{/size}'.:
File "game/script.rpy", line 918, in script
call screen endgamescreen
File "renpy/common/000statements.rpy", line 569, in execute_call_screen
store._return = renpy.call_screen(name, *args, **kwargs)
Exception: Unknown text tag u'size = 72'
There is more text but I'm just posting the bare stuff. we need you to post everything in the file here