| Countries of the World Quiz | 46,874,660 | 0 | - |
| US States Quiz | 16,686,274 | 0 | - |
| Counties of England | 788,621 | 0 | - |
| Counties of England Map Quiz | 305,998 | 0 | - |
| Official Cities in the UK | 280,298 | 0 | - |
| UK Cities to Map | 835 | - | - |
| All Country Flags of the World | 3,596,869 | 0 | - |
| Europe Map Quiz | 4,728,710 | 0 | - |
| Asia Map Quiz | 906,259 | 0 | - |
| Africa Map Quiz | 2,103,226 | 0 | - |
| North America Map Quiz | 244,127 | 0 | - |
| Oceania Map Quiz | 634,761 | 0 | - |
| Seas on the World Map | 133,747 | 0 | - |
| Largest World's Islands on the World Map | 173,813 | 0 | - |
| Gulfs and Bays on the World Map | 29,978 | 0 | - |
| Straits on the World Map | 7,097 | - | - |
| World's Longest Rivers on a Map | 86,803 | 0 | - |
| World Capitals Quiz | 5,027,815 | 0 | - |
| Random Capital to Country | 2,576,926 | 0 | - |
| Random Country to Capital | 910,910 | 0 | - |
| US States and State Capitals | 158,214 | 0 | - |
| Random State Capital to U.S. State | 88,123 | 0 | - |
| Random U.S. State to State Capital | 5,174 | - | - |
| Mountain Ranges on the Map | 61,178 | 0 | - |
| English Monarchs in Order by First Letter | 31,298 | 0 | - |
| Prime Ministers of the UK | 434,303 | 0 | - |
| U.S. Presidents Quiz | 3,650,394 | 0 | - |
| Empires by Maps | 118,256 | 0 | - |
| Largest Objects in the Solar System | 135,613 | 0 | - |
| Major Taxonomic Ranks | 79,734 | 0 | - |
| International Scientific Units | 155,129 | 0 | - |
| Elements of the Periodic Table | 2,218,363 | 0 | - |
| Stages of stars | 3 | - | - |
| Moon Phases | 96 | - | - |
| Oscar Best Pictures | 307,433 | 0 | - |
| Oscar Best Actors | 249,662 | 0 | - |
| Oscar Best Actresses | 184,374 | 0 | - |
| Nobel Peace Prize Winners | 11,452 | 0 | - |
| FIFA World Cup Winners | 255,807 | 0 | - |
| U.S. Presidential Terms with Whammies | 19,484 | 0 | - |
| Basic Orchestral Instruments | 164,764 | 0 | - |
| Citrus Fruits | 41,942 | 0 | - |
| Plants that belong to legume family (Fabaceae) - sudden death | 71 | - | - |
| Biggest Cities in the World | 789,671 | 0 | - |
| Shakespeare's Plays Quiz | 385,530 | 0 | - |
| Biggest Countries by Population | 1,434,029 | 0 | - |
| Peninsulas on the Map | 58,602 | 0 | - |
| Signs of the Zodiac Quiz | 223,371 | 0 | - |
| Random Acronyms #2 | 93,579 | 0 | - |
| Random Acronyms Quiz #1 | 59,195 | 0 | - |
| Canada Provinces Map Quiz | 635,565 | 0 | - |
| Australia Map Quiz | 342,320 | 0 | - |
| Letters of the Greek Alphabet | 641,437 | 0 | - |
