SUBLEVEL ZERO REDUX
Complete the second level with no damage
Complete the campaign after early alternate levels unlocked
Complete the campaign without firing any Bullet weapons
Make 100 enemies kill each other
Complete the campaign without firing any Energy weapons
Craft 5 third-tier modules in one run
Complete the campaign after final alternate levels unlocked
Half way there! The small half.
Complete the campaign without firing any Plasma weapons
Die 10 times
Die 100 times
Complete any level using only Bullet weapons
Complete the campaign without crafting any modules
Read half of the logs
Make 500 enemies kill each other
Complete any level using only Plasma weapons
Die on the final level
Complete the third level with no damage
Complete any level using only ramming
Craft a third-tier module
Complete the campaign for the first time
Complete any level without using any repair kits
Complete any level using only Energy weapons
Craft 15 modules in one run
Complete the first level with no damage
Read all of the logs
Complete any level without killing any enemies but the reactor