Changelog - 13.06.

#Changelog

• difficulty of enemies based on level
• lightning upgrade
• Upgrade builder mode
  • you can select upgrades before game
• level-up upgrade popups (text with description)

• fixed ugprade bug on pickup
• fixed cursor detection on non 16:9 ratio

• Changed drop rates
• Chances:
  • 0 - common - 50%
  • 1 - uncommon - 35%
  • 2 - rare - 12%
  • 3 - legendary - 3%