Fight Your Way Through The Ruined City Constantly Fighting Guards, Harvesting Resources, And Crafting Better Gear From Endless Waves.
Resources: Harvest Unique Resource Types Found Around The Map To Upgrade Your Gear
Research Table: Use The Research Table As A Priority For Crafting Items From Resources You've Collected Or Call In Supplies From A Supply Drop
Guards: Guards Will Spawn In During Active Waves With Their Diffuculty And Rewards Increasing Nearly Every 3 Waves