- fixed issue with bone shop reload upgrade sometimes not working
- fixed some scaling issues with more bullet time/blood/more money spells
- don't spawn keys in locked room on boiler
- zombies don't target each other
- better daily time gating
- pause game when overlay opens
- hp reduction in some later game enemies
- bouncer slightly longer cooldown
- harpoon buff
- artillery buff, now shoots in an area around one enemy rather than targeting multiple enemies
- empty drop site sprites, menu toggle for drop site tips
