Win money with your fantasy teams
Challenge anyone across leagues and platforms using the teams you already have.



WE MAKE IT EASY
TO START
Connect your league to Flex Fantasy, we sync your Sleeper or Yahoo rosters continuously and even mimic your lineup settings
You're not limited to your league, you can play any other person on Flex. Flex also makes it easy to invite and challenge anyone
Create your own challenge or enter any public challenge by "Backing" another team in the Arena
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Play different
GAME MODES
We built Flex with "FLEXibility in mind". No new leagues or season-long commitments. Play both Best Ball and normal Head-to-Head games with your current teams.
We auto fill the best players in each lineup slot. Auto-Pilot
We mimic your starting lineup. Your decisions matter

3 Ways to Challenge
Others on flex
Direct Challenge
You vs League
1-Click Challenge
You vs Anyone
Open Challenge
You vs World
Real Money Gaming in 14 States.
Free Games for All

Flex Fantasy can be played for real money games in CA, DC, GA, IL, KY, MN, NC, ND, OR, RI, SD, UT, WI, WV.
Don’t See Your State?
You can still play Flex for Free even if you aren't in an allowed state
STAY IN THE KNOW
Flex Fantasy now available in Sleeper MINIs.
You can now play Flex Fantasy inside the Sleeper app. Expand your weekly winnings by creating and entering Flex challenges across any league and against any team


There is nothing “mini” about it. Find the Flex Fantasy Mini right inside of Sleeper


BE THE FIRST TO KNOW
Flex Friends get first dibs on game developments, platform announcements, and new weekly offers.