IQ Challenge by PlayPhone

Join the ultimate battle of brains in this speed trivia challenge quiz!

Limited Time Offer!
★★ 1,000 IQ Gold Chips FREE ★★

Challenge your friends as you race against the clock to see who comes out on top! Play head to head or in groups up to 4, as you answer general knowledge trivia question. See who reigns supreme amongst your friends! And don’t forget, the winner takes the pot!


✓ Instant multiplayer

✓ Play head to head or in groups up to 4

✓ 5 difficulty levels – Newbie to Master!

✓ Hundreds of challenging questions

✓ Global leaderboards

✓ Bragging rights to the winner!

Join the top social IQ trivia game on iOS!


A Facebook account is not required to play IQ Challenge. However, you may sign in with one to use your Facebook profile pic and invite your friends. PlayPhone Poker does not post or access your Facebook feeds. 

PlayPhone wants to be your mobile social gaming community. We appreciate you playing our games and all your comments. If you are having challenges with IQ Challenge, Customer Service is happy to help:

Join our discussions on our Community Forums:

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