| Quiz | Takes | Points | Best |
|---|---|---|---|
| Chemical Elements with Short Names | 93,360 | 0 | - |
| Shakespeare's Plays Quiz | 385,530 | 0 | - |
| Elements of the Periodic Table | 2,218,362 | 0 | - |
| Biggest Cities in the World | 789,671 | 0 | - |
| Communist Countries in History | 492,226 | 0 | - |
| Countries in World War II | 903,792 | 0 | - |
| Letters of the Greek Alphabet | 641,437 | 0 | - |
| U.S. Presidents Quiz | 3,650,394 | 0 | - |
| Zone 1 London Underground Stations by Line - With a Map | 1,614 | - | - |
| Human Body A-Z | 128,219 | 0 | - |
| International Scientific Units | 155,129 | 0 | - |
| 100 Most Common English Words | 1,303,952 | 0 | - |
| Top World Languages | 812,361 | 0 | - |
| Prime Ministers of the UK | 434,303 | 0 | - |
| Art Works Picture Quiz #2 | 104,584 | 0 | - |
| Art Works Picture Quiz #1 | 118,414 | 0 | - |
| Art Works Picture Quiz #3 | 48,520 | 0 | - |
| Ancient Greek Words | 110,605 | 0 | - |
| Groups of Ten | 160,603 | 0 | - |
| Random Elements on the Periodic Table | 11,273 | - | - |
| Click a Valid Periodic Table Element A-Z | 3,342 | - | - |
| Elements named after people | 2,264 | - | - |
| Elements named after places | 1,570 | - | - |