- added health pickups
- added a bullet frequency pickup that lasts 8 seconds
- added wraiths that behave like ghosts, but drop health pickups
- modified the spider's shooting patterns to shoot you in bursts instead of a continuous stream
To add:
- UI timer for the bullet frequency pickup
- endgame boss fight
- opening menu/level select
- protagonist sprite
- levels and level transitions
Optionals:
- cutscene artwork
- alternate sprite animations
