Here is the full list of all 31 Idle Clans Playtest achievements.
Receive a boss key
Achieved upon reaching your first million
Enchant an item
Refine an item
Purchase an upgrade
Send an item to your clan's vault
Create a clan
Plunder a small, helpless village
List an item for sale
Join a minigame
Your first level up
Complete the tutorial
Join a clan
Perform a leaderboard search
Reach a billion gold
Reach level 100 in a skill
Reach max level in a skill
Defeat a boss
Steal from the royal clan
Prepare a special dish
Eat a burger in battle
The true test for any respectable chef... Make a pizza.
Grow some watermelons
Defeat a dragon
Create a godlike item
Battle a monster with an Outstanding weapon
Create silver jewellery
Equip diamond jewellery
Smith a piece of Astronomical armour
Purchase your first property. It's nothing to brag to your parents about, but it's a start.
Purchase the most glamorous property available