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