Inventory system, with hats to customize your invaders.

You can drop a random hat after playing an online match.
For the account to be eligible to drop items, you must have at least 2 hours of play.
In-game changes:
It is now not possible to negate income by sending aggressive invaders or towers that cost income
Damage Numbers now appear in front of invaders
Giant Slayer:
Model update
Ability Lv2:
Deals additional damage equal to 5% of the target's health > 4% of the target's health + 1% of the target's max health.
C410 (Renamed to Deadly Globe):
Model Update
HP: 269,397 > 185,210
Speed: 1.17 > 1.83
