More Screenshot & boss preview

More levels have been constructed and a boss level is reveal, you can see them in these shots.

 I'm constructing level select menu to allow starting from higher levels after they are unlocked. I'll show screenshot once I'm satisfied with it.

 On other note, updating is fun but I can't focus on this project forever so I decided to wrap this game with 50 levels (boss level included) + 3 endless levels.