Upgrade

Upgrades can be unlocked through gameplay and provide boosts to characters.

List of upgrades

 * Aluminum Bat - Gives Nancy a 2 damage attack.
 * Camo Backpack - Gives Lucas +25 Rock capacity.
 * Canadian Tuxedo - Gives Hopper +1 Damage and +1 Charge Range at Full Health.
 * Spiked Bat - Gives Nancy a 3 Damage attack.