Pulled ThroughSurvive a total of 30 waves in Endless Mode
Limit BreakFirst time entering Endless Mode
Refusing to Take a BowChoose to continue holding your ground after reaching an ending
Hold Out for Thirty DaysHold out for 30 days in Pure Endless
Threat Level 8Reach Threat Level 8 in Endless Mode
Mountain of CorpsesKill 2,000 zombies in this loop
Threat Tier 20Reach Threat Tier 20 in Endless Mode
Shield of the StreetComplete Challenge I of the joint-defense line
Seed of WinterGet a second harvest from Winterbearer No.1 in the frost