Mega Mega Transformer - Win a Sauna!

Lose 10% in 6 months!

Mega Mega Transformer - Win a Sauna!

Apr 04 - Oct 03/Game Closed
Join another game







Apr 04



It’s getting HOT in this transformer! Join the Mega Mega Transformer and be a part of the biggest bet Transformer game ever! Lose 10% of your body weight in 6 months in this mega accountability game. Plus, 1 player will win an Infrared 2-Person Sauna at the end of the game.



Game Begins

Apr 04

Last Day to Join

Apr 17


4th and 5th of every month


Bet $100

per month

Lose 10%

in 6 months


Split the pot

10% is easier when you break it up, so each round has its own goal - and its own pot to split.
Check out the FAQ to learn more!

How do you verify the weight loss?

For all official weigh-ins, you'll be prompted to submit your official starting weight. Our standard weigh-in process involves you submitting 2 photos: one of you standing on a scale in lightweight clothing (no shoes, hats, belts, watches, coats, or outerwear), and another of the scale’s readout with your weigh-in word written on a piece of paper.

What you'll need

  • A scale (preferably digital)
  • A digital camera or smartphone
  • A full-length mirror or someone to take your photo
  1. Privacy FAQ +
  2. How we prevent cheating +
  3. Disqualification Limits +

Does this actually work?

Out of 935,585 DietBetters, 99.8% have lost weight during their challenges. Combined, they've lost 18,069,401 lbs and won $62,263,235. In other words...yes.

All results shown on DietBet are from actual users. Individual results may vary.

Don't take our word for it


05/24/2022 1:55PM
  • It’s been kind of a bad go of things. Missed weigh in because of ex boyfriend. Had some sad feelings because of said ex boyfriend and missing out on a job opportunity. Saw my counselor and my doctor this week trying to cope through this depression I didn’t know I was in the middle of until I was in crisis. So it’s been kind of rough recently.

    Needless to say, I’m back where I started. And that is ok. I met with my trainer yesterday and we are working on setting a work out schedule that fit with my weight loss and fitness goals. Today was the first work out that is going along those lines, and Brady never disappoints, I can barely lift my arms to hold my phone to type this out. In hopefully 2 weeks I’ll meet with my dietitian/nutrition specialist and we are going to work on a nutrition plan that fits with my weight loss, fitness goals, and mental health goals.

    When I started all of this I kept telling myself it was because I wanted to take care of my self and I wanted to be better. Where as that was partially true it was mainly because my boyfriend was telling me “he liked me on the inside, but I needed to match on the outside” because he just wasn’t attracted to me.

    With him gone I can really focus on doing what is best for me, and reaching my health goals because I’m worth it, fat rolls or not. I signed up for another 4 months with my trainer, my doctor is on board with my new more direct goals, and my trainer is ready to fucking kick my ass.

    I got this, right? Screw you world, I’m not going to let my weight be something I use as an excuse anymore. I’m beautiful, I’m focused, and it’s gonna be alright.

Jessica B. , Abbie and like this photo.

View 3 more comments

Kelly M.

I think you lost the most important weight to lose, dead weight! Good riddance to you ex! Happy you are showing up for yourself. You absolutely got this!

Jessica B.

You Are beautiful, and everything Will be okay. You are using your support systems and that is the best choice you can make. I believe in you, you can move forward with a healthy mindset and take steps for positive change.

Ready to bet on yourself?