Here is the full list of all 13 Crawlco Block Knockers achievements.
You've cleared 2500 blocks! Promotions! Promotions!
You got all perfects for one girl!
You got your first perfect clear!
You've cleared 1200 blocks!
You've cleared 400 blocks!
You got a Super Perfect Clear! Nice!
You got all Super Perfects for one girl!
Perfect rank on every stage! Well done.
Super Perfect on every stage, you maniac!
You defeated a boss!
You defeated a boss without dying even once!
You cleared all stages and defeated the end boss!
You think you're so smart don't you