There are many Quests in Coin Hunt World.
Can be done more than once by a player.
Happen between friends in Coin Hunt World and require coordination to complete. They award one Yellow Key to each player.
Individual Quest that is toggled by suspicious activity in the game and is one of the many anti-cheating mechanisms in place. They award one Green Key.
Cubiecranes and Yellow Vaults
The 25 players who helped build the first Yellow Vault in the event (in Vancouver, Canada) each received the special Foreman Blueprint instead.
New Year's Eve Login Quest
Players who logged in on the turn of 2020 to 2021 received the special New Year's Eve Cubie.