No missable achievements (plus 27 unknown)
Sign in with Steam or Xbox to track your progress, and:
Kill over 350 Enemies in a Single Level
Die while a Boss is Exploding
Unlock all the Perks
Stomp a Hugbot to Death
Jump and Remain Airborn for 45 Seconds
Pick up 1000 Health Items While at Full Health
Accumulate 888 Gold In a Single Run
Find and Level The Motivator Gun to Level 5
Unlock all the Guns
Complete a Stage without Picking up ANYTHING
Tilt 10 Times in a Single Stage
Reach Endless Stage 14
Kill That Dang Wall of Turrets Three Times
Pick up Four Difficulty++ Badges in a Single Life
Discover the Secret Code
Complete a Stage Without Anything but the Boss dying
Complete a Stage After Firing Exactly Fourteen Shots