Here is the full list of all 15 Roguebreaker achievements.
You've picked up 2500 pickups!
You've picked up 1000 pickups!
You've beaten one hundred levels without dying!
You've picked up 500 pickups!
You've smashed 20000 bricks! Wow!!
You've smashed 5000 bricks! Impressive!
You've smashed 5000 bricks! Great!
You've picked up 100 pickups!
You've beaten ten levels without dying!
You've played a bonus level you've unlocked by levelling up. Earn XP by scoring big points!
You've played a custom level you've made!
You've played a workshop level you've made or subscribed to via the Steam Workshop
You've smashed 100 bricks! Nice!
You've beaten a single level without dying!
You've smashed 100 bricks!