Board Thread:Level Sharing and Reviewing/@comment-26136198-20150828142512/@comment-25008602-20160126222022

Tips for User Coins:

1. Range your levels so they have 3-5 stars.

2. Try to avoid 2-star levels, as the coins in those are usually well hidden.

3. On Meltdown-based levels, there is almost always a hidden key needed to collect a coin.