| Countries of the World Quiz | 47,858,093 | 0 | - |
| US States Quiz | 16,990,260 | 0 | - |
| Counties of England | 802,610 | 0 | - |
| Counties of England Map Quiz | 308,987 | 0 | - |
| Official Cities in the UK | 286,127 | 0 | - |
| UK Cities to Map | 944 | - | - |
| All Country Flags of the World | 3,711,141 | 0 | - |
| Europe Map Quiz | 4,786,868 | 0 | - |
| Asia Map Quiz | 924,810 | 0 | - |
| Africa Map Quiz | 2,128,223 | 0 | - |
| North America Map Quiz | 251,910 | 0 | - |
| Oceania Map Quiz | 659,142 | 0 | - |
| Seas on the World Map | 135,945 | 0 | - |
| Largest World's Islands on the World Map | 176,872 | 0 | - |
| Gulfs and Bays on the World Map | 30,400 | 0 | - |
| Straits on the World Map | 7,240 | - | - |
| World's Longest Rivers on a Map | 88,303 | 0 | - |
| World Capitals Quiz | 5,104,413 | 0 | - |
| Random Capital to Country | 2,601,068 | 0 | - |
| Random Country to Capital | 927,659 | 0 | - |
| US States and State Capitals | 165,256 | 0 | - |
| Random State Capital to U.S. State | 89,828 | 0 | - |
| Random U.S. State to State Capital | 5,304 | - | - |
| Mountain Ranges on the Map | 62,425 | 0 | - |
| English Monarchs in Order by First Letter | 32,099 | 0 | - |
| Prime Ministers of the UK | 442,163 | 0 | - |
| U.S. Presidents Quiz | 3,724,689 | 0 | - |
| Empires by Maps | 122,000 | 0 | - |
| Largest Objects in the Solar System | 138,396 | 0 | - |
| Major Taxonomic Ranks | 81,117 | 0 | - |
| International Scientific Units | 158,272 | 0 | - |
| Elements of the Periodic Table | 2,259,649 | 0 | - |
| Stages of stars | 3 | - | - |
| Moon Phases | 117 | - | - |
| Oscar Best Pictures | 312,676 | 0 | - |
| Oscar Best Actors | 254,000 | 0 | - |
| Oscar Best Actresses | 187,044 | 0 | - |
| Nobel Peace Prize Winners | 11,514 | 0 | - |
| FIFA World Cup Winners | 261,937 | 0 | - |
| U.S. Presidential Terms with Whammies | 20,481 | 0 | - |
| Basic Orchestral Instruments | 166,917 | 0 | - |
| Citrus Fruits | 42,160 | 0 | - |
| Plants that belong to legume family (Fabaceae) - sudden death | 78 | - | - |
| Biggest Cities in the World | 805,283 | 0 | - |
| Shakespeare's Plays Quiz | 390,001 | 0 | - |
| Biggest Countries by Population | 1,453,725 | 0 | - |
| Peninsulas on the Map | 59,248 | 0 | - |
| Signs of the Zodiac Quiz | 227,614 | 0 | - |
| Random Acronyms #2 | 94,367 | 0 | - |
| Random Acronyms Quiz #1 | 59,691 | 0 | - |
| Canada Provinces Map Quiz | 644,445 | 0 | - |
| Australia Map Quiz | 346,095 | 0 | - |
| Letters of the Greek Alphabet | 651,685 | 0 | - |
