BigBrain (playbigbrain.com) is welcoming new customers with up to a $100 deposit bonus. Earn an additional $20 cash bonus for every person who joins using your unique referral link. See our referral page for more deals.
BigBrain is a trivia competition app that offers plenty of chances to win big cash prizes with new contests starting every 15 minutes. For more on BigBrain and their current offers, keep reading.
BigBrain Up To $100 Deposit Bonus
Enjoy up to a $100 welcome bonus when you make your first deposit, no referral link or code required. BigBrain will instantly match your deposit up to $100.
BigBrain Give $20, Get $20 Referral Program
Earn a $20 cash bonus for every person who uses your unique referral link to create a BigBrain account and makes their first deposit. Each of your referrals will also receive a $20 cash bonus.
To participate, find your referral link under My Account > Invite Friends. About the offer here.
Here’s our referral link if you’d like to use it to download the app and get the $20 bonus (thanks ahead of time!)
How BigBrain Works

BigBrain is a trivia game app where you can compete live and win big cash prizes. Features include:
- New contests starting every 15 minutes.
- Games that cover 200,000+ unique questions and topics.
- Quick and secure deposits and payouts.
The platform offers a variety of game types, including Winner-Take-All, Tournament, and 50/50. For most games, you have to pay to enter, and the cash winnings come from the entry fees. Prices range from free to $50, with the average quiz costing $2 to $3 to enter.
If you’re not feeling very confident, you can try the free, on-demand Practice section.
Bottom Line
Know a lot about a particular topic? BigBrain lets you test your knowledge in trivia competitions. There are plenty of games and plenty of subjects to choose from. Buy-in is affordable, and if you win, you get a cash reward. Plus, get up to a $100 welcome bonus when you make your first deposit.
You might also be interested in InboxDollars. It’s a platform that lets you earn cash on not only playing games, but also taking surveys, watching videos, reading your emails, and shopping. They’re currently offering a $5 welcome bonus.
READ MORE: SEE THE BEST BANK BONUSES HERE AND THE BEST INVESTING BONUSES HERE.