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