Here is the full list of all 17 Mini Crafty achievements.
Pioneer
Traveler
Assistant
Researcher
50 Kills
500 Kills
1000 Kills
Diamonds!
50 Spider Kills
500 Spider Kills
1000 Spider Kills
50 Red Kills
500 Red Kills
1000 Red Kills
Gotcha!
Big Slime
Big Bat