Pet Leo in the upgrade menu or main menu
Survive Week 2
Survive Week 1
Survive Week 3
Beat the Game as the Survivor class
Get an A Rank
Read the tutorial in less than 5 seconds
Complete the game with no upgrades
Roadkill 15 Enemies in a single run
Lose on the 28th Day
Complete the game with 9 or less Heals used
Take the easy way out
Beat the Game as the Assault Class
Get an S Rank
Beat the Game as the Hunter Class
Survive Week 4
Get 50 Knife Kills in a single run