new
-survivors mode added, last the longest you can before infinite waves of enemies

bugfixes
-lava gui bug fixed
-timer achievment bug fixed
-fewdescriptions adjusted

balance
-doctor's damage reduced from 4 to 3
-grunt tier is 6 up from 5

other
-help tab in the menu added, explains some mechanics
-progress counting changed
-increased dialog speed and increased move speed quality of life settings added