Yes. The money in your Long Game account earns 0.1% APR, in addition to any money you win in games. This is awarded at the end of the month and compounded monthly.
Long Game transfers interest to your account after you have earned at least $0.01. If you do not earn at least 1 cent in the month, your interest is rolled over until you have earned at least 1 cent.
Example 1: You have a Long Game balance of $60. This earns $0.005 the first month. Then the second month you will see interest added to your account in the the amount of $0.01.
Example 2: You have a Long Game balance of $120. This earns $0.01 per month in interest. You will see interest added to your account in the the amount of $0.01 on the last day of the month.