No missable achievements (plus 18 unknown)
Sign in with Steam or Xbox to track your progress, and:
Harvest your first soul.
Complete a 5-combo kill
Complete a 10-combo kill
Kill the Matron in Act 1.
Resurrect the Werewolf, Dinosaur, Vampire and Pharaoh in Act 3.
Trigger Monarch Monkey's cutscene in Act 5.
Kill all the passengers on the train in Act 4.
Successfully launch the missile in Act 2
Clear all Acts
Trigger the Alien Robot event in the Slaughter
Kill all the marked characters
Kill the 8 starred characters in Act 7 and trigger the curtain call.
Spotted all Death Traps in every Stage
Achieve the highest rating in all Acts
Kill 50 Thieves in Bonus 2.