After feedback, updated the following:
- added analog support for gamepad joystick. Need to test to fine tune.
- stopped flashing of boss name and track name in boss warning screen
- added a shoot to continue on stage clear screen
- added logic to slightly vary player shooting sfx pitch scales in an attempt to reduce ear fatigue
- added extend 3
- general beer fragment visibility tuning
- removed 1ups from triggering in final results screen
- general bug fixes