Find the super secret area in The Heroes' Cemetery
Get to the final wave in a survival arena
Survive more than 15 minutes in a survival arena
"You're not supposed to be here"
Find the "You got stuck" message in Flying Souls
From Saibot with love <3
Find the developers message in The Core
Complete all campaign levels in 300%
Like the good old days...
Finish the campaign in Old School difficulty
Kill 5 enemies (or more) with a single rocket or grenade of the Rocket Launcher
Kill 30 enemies during Hell Damage
Finish the campaign in HELLMARE! difficulty
Complete a campaign level in 300%
Kill a Pygon using the Head Crusher