V0.6.0

Achievements:
Sharpshooter I, II, III, X
New secrect achievement

Music:
New game over theme: Deaths Door
Music ducks when paused instead of pausing
Music fades out on quit

Abilities:
New ability: Quantum Dampeners (Lv15)

UI:
New game over screen
Quit/Restart confirmation dialogues
Home button added to pause and game over
Quit button added to game over
Arrows added to top and bottom to screen to indicate off screen player position akin to left and right arrows
Screen fades to dark on quit

Datalog:
Bosses Datalog menu

Graphics:
New player explosion
New game over effects
New asteroid explosion effects

Mechanics:
Max rate of fire now implemented
Rebalanced difficulty curve
Improved spawn kill prevention

Bug Fixes:
Various optimisations
Mystic asteroid can no longer become invulnerable
Fixed very rare case where asteroid would never finish fading
Fixed rare case where asteroids were invisible
Fixed time slow unpausing the game if timed correctly
Fixed strange fade out on Achievement viewer in Datalog
Fixed all issues with multiple songs playing at once if restart is timed correctly
Fixed boss music improperly looping with time slow enabled