About
A hilarious party trivia game where simple questions become challenging. Test your knowledge against friends, earn points for correct answers, and lose them for wrong ones. The first to reach zero points loses.
What's New in Oops... I Thought I Knew That!
1.1.0
July 29, 2026
• New Cards
Subscriptions & In-App Purchases
Premium
Premium: No Ads, Unlimited Access
Developer apps
FAQ
How do you play Oops... I Thought I Knew That!?
Players start with 50 points and answer trivia cards read by others. Correct answers keep points, while incorrect answers lose points based on the card's value. The first player to reach 0 points loses.
What kind of questions are in Oops... I Thought I Knew That!?
The game features hundreds of hilarious trivia questions focused on everyday knowledge, designed to make seemingly obvious answers challenging.
Can I play Oops... I Thought I Knew That! with friends?
Yes, it's designed as a party trivia game perfect for playing with friends and family, requiring only one device for everyone to participate.
Is Oops... I Thought I Knew That! free to play?
You can try a selection of cards for free. Full access to all cards is available via a one-time purchase.
Does Oops... I Thought I Knew That! have ads?
No, this app does not contain advertisements.
What devices does Oops... I Thought I Knew That! support?
The app is supported on iPhone and iPod devices.
How often is Oops... I Thought I Knew That! updated?
New question packs are added regularly, and the latest version is 1.1.0, last updated on July 29, 2026.
What is the age rating for Oops... I Thought I Knew That!?
The app has an age rating of 12+, making it suitable for teenagers and older.







