Here is the full list of all 37 Royal Crown achievements.
Eliminate 100 Enemies.
Hunt 50 Monsters.
Open 5 Supply Chests.
Log 50 Trees.
Get in the Top 5 in Solo Mode.
Open 100 Chests.
Gather 50 Times.
Craft 50 Times.
Play 10 Games.
Revive Team Member.
Win for the First Time.
Get in the Top 3 in Squad Mode.
Eliminate 1 Enemy.
Eliminate 10 Enemies.
Eliminate 5 Enemies in 1 Game.
Eliminate 10 Enemies in 1 Game.
Play 100 Games.
Play 500 Games.
Play 1,000 Games.
Achieve 1st Place 10 times.
Achieve 1st Place 100 times.
Eliminate 1,000 Enemies.
Open 50 Supply Chests.
Gather 500 Times.
Gather 5,000 Times.
Log 500 Trees.
Log 5,000 Trees.
Mine 50 Times.
Mine 500 Times.
Mine 5,000 Times.
Give Team Member First Aid.
Hunt 500 Monsters.
Hunt 5,000 Monsters.
Open 1,000 Chests.
Open 10,000 Chests.
Craft 500 Times.
Craft 5,000 Times.