You can earn Bonus Cash by simply joining contests on My11Circle.
Joining contests worth 200 entitles you to 1 Bonus Cash.
Let’s say you join 1 contest of 130 and then join another contest of 70. For a combined spend of 200, you get 1 Bonus Cash.
You can check how much more you need to play to earn the next Bonus Cash on the Bonus Cash main page.