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