| Quiz | Takes | Points | Best |
|---|---|---|---|
| Chemical Elements with Short Names | 93,354 | 0 | - |
| Shakespeare's Plays Quiz | 385,516 | 0 | - |
| Elements of the Periodic Table | 2,218,133 | 0 | - |
| Biggest Cities in the World | 789,567 | 0 | - |
| Communist Countries in History | 492,186 | 0 | - |
| Countries in World War II | 903,714 | 0 | - |
| Letters of the Greek Alphabet | 641,374 | 0 | - |
| U.S. Presidents Quiz | 3,650,046 | 0 | - |
| Zone 1 London Underground Stations by Line - With a Map | 1,614 | - | - |
| Human Body A-Z | 128,201 | 0 | - |
| International Scientific Units | 155,088 | 0 | - |
| 100 Most Common English Words | 1,303,840 | 0 | - |
| Top World Languages | 812,255 | 0 | - |
| Prime Ministers of the UK | 434,234 | 0 | - |
| Art Works Picture Quiz #2 | 104,576 | 0 | - |
| Art Works Picture Quiz #1 | 118,408 | 0 | - |
| Art Works Picture Quiz #3 | 48,516 | 0 | - |
| Ancient Greek Words | 110,595 | 0 | - |
| Groups of Ten | 160,599 | 0 | - |
| Random Elements on the Periodic Table | 11,266 | - | - |
| Click a Valid Periodic Table Element A-Z | 3,337 | - | - |
| Elements named after people | 2,264 | - | - |
| Elements named after places | 1,570 | - | - |