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