Free to play prediction challenges
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Free prediction challenges

Meet Chuck. Beat Chuck.

Chuck is the host. Prove It is the game. Compete against Chuck—or your friends—in a series of short yes-or-no challenges about baseball, football, soccer, and more. Prove It is free to play.

Play a challengeStart a private game
Yes or noQuestions
FreeCost
Beat ChuckResult
Chuck hosting the challenge desk with a microphone
Play now

Live challenges

Choose one or more live challenges and make your picks before they lock.

Golf Challenge

The 2026 Open Golf Championship

Build a 20-golfer roster and earn the most prize money.

WeeklyPlay

Hitter Challenge

Hitter Survivor

Pick one MLB hitter each day and build a streak.

DailyPlay

Prove It Knows Baseball

2 choices

Chuck Knows Baseball: Players & Teams

26 questions2 players
Locks in--:--:--
Play

Chuck Knows Baseball: Who Wins?

18 questions1 players
Locks in--:--:--
Play

Prove It Knows Soccer

2 choices

Chuck Knows Soccer: Players & Teams

15 questions1 players
Locks in--:--:--
Play

Chuck Knows Soccer: Who Wins?

15 questions1 players
Locks in--:--:--
Play
Three steps

How it works.

  1. 01

    Pick a challenge

    Choose a live card or open a private challenge from a friend.

  2. 02

    Make your calls

    Answer every yes or no question before the posted lock time.

  3. 03

    See who was right

    Return for your score, the host comparison, and the next challenge.

Private games

Want to run your own private games?

Start a private group and play against friends, co-workers, or family.

Choose a private game