Brain Facts
1 / 15Which part of the brain is responsible for balance and coordination?
About Brain Facts
Test your knowledge about the human brain and how it works! This free memory games activity is built for older adults who want clear, readable browser-based games without sign-up friction.
Memory games support focus, short-term recall, and pattern recognition with visual and logic-based challenges. This quiz includes 15 questions, so it works well as a quick session or as part of a longer brain-training routine. A printable version is available if you prefer offline play or want to share the game at home, in a classroom, or in a group setting.
About Brain Facts
Brain Facts is a free memory games quiz with 15 multiple-choice questions with a mix of 5 easy, 5 medium, 5 hard questions. Test your knowledge about the human brain and how it works! A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.
A few sample questions
1. Approximately how much does the average adult human brain weigh?
Answer: 3 pounds
The average adult human brain weighs about 3 pounds (1.4 kilograms). Despite being only about 2% of body weight, it uses about 20% of the body's energy.
2. What percentage of the brain is made up of water?
Answer: About 73%
The brain is about 73% water. Even mild dehydration (just 2%) can affect attention, memory, and other cognitive skills.
3. What is the largest part of the human brain called?
Answer: Cerebrum
The cerebrum is the largest part of the brain, making up about 85% of its total weight. It is responsible for thinking, learning, memory, and voluntary movements.
Frequently asked questions
How many questions are in Brain Facts?
Brain Facts has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is Brain Facts free to play?
Yes. The entire SeniorBrainGames catalog — including Brain Facts — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does Brain Facts take?
Most players finish Brain Facts in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
What's a good follow-up after Brain Facts?
If you enjoyed this memory games quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
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