The game should be fixed now, i uploaded a new version. Thanks to all your feedbacks and reports i could find that mysteriuous disapparing bug. Sry for the troubles.
Thank you guys for all your comments and suggestions, very encouraging for some (as this is my first game)!! The lives seem to be the main issue here, even if some, hmmm few, liked it. I also like the idea of making a pause before each level starts, to get a clear view of what will happen. I'll adapt for next version with all feedacks.
oups, this was my answer to MarzZee.