| Countries of the World Quiz | 47,430,687 | 0 | - |
| US States Quiz | 16,867,105 | 0 | - |
| Counties of England | 796,397 | 0 | - |
| Counties of England Map Quiz | 307,570 | 0 | - |
| Official Cities in the UK | 283,591 | 0 | - |
| UK Cities to Map | 843 | - | - |
| All Country Flags of the World | 3,661,220 | 0 | - |
| Europe Map Quiz | 4,761,726 | 0 | - |
| Asia Map Quiz | 916,388 | 0 | - |
| Africa Map Quiz | 2,117,389 | 0 | - |
| North America Map Quiz | 248,370 | 0 | - |
| Oceania Map Quiz | 641,978 | 0 | - |
| Seas on the World Map | 135,306 | 0 | - |
| Largest World's Islands on the World Map | 175,422 | 0 | - |
| Gulfs and Bays on the World Map | 30,237 | 0 | - |
| Straits on the World Map | 7,183 | - | - |
| World's Longest Rivers on a Map | 87,760 | 0 | - |
| World Capitals Quiz | 5,071,460 | 0 | - |
| Random Capital to Country | 2,590,566 | 0 | - |
| Random Country to Capital | 920,093 | 0 | - |
| US States and State Capitals | 162,147 | 0 | - |
| Random State Capital to U.S. State | 88,991 | 0 | - |
| Random U.S. State to State Capital | 5,260 | - | - |
| Mountain Ranges on the Map | 61,918 | 0 | - |
| English Monarchs in Order by First Letter | 31,761 | 0 | - |
| Prime Ministers of the UK | 438,761 | 0 | - |
| U.S. Presidents Quiz | 3,696,566 | 0 | - |
| Empires by Maps | 120,378 | 0 | - |
| Largest Objects in the Solar System | 137,199 | 0 | - |
| Major Taxonomic Ranks | 80,535 | 0 | - |
| International Scientific Units | 156,798 | 0 | - |
| Elements of the Periodic Table | 2,241,833 | 0 | - |
| Stages of stars | 3 | - | - |
| Moon Phases | 108 | - | - |
| Oscar Best Pictures | 310,496 | 0 | - |
| Oscar Best Actors | 252,357 | 0 | - |
| Oscar Best Actresses | 185,933 | 0 | - |
| Nobel Peace Prize Winners | 11,491 | 0 | - |
| FIFA World Cup Winners | 258,736 | 0 | - |
| U.S. Presidential Terms with Whammies | 20,099 | 0 | - |
| Basic Orchestral Instruments | 166,084 | 0 | - |
| Citrus Fruits | 42,071 | 0 | - |
| Plants that belong to legume family (Fabaceae) - sudden death | 72 | - | - |
| Biggest Cities in the World | 798,363 | 0 | - |
| Shakespeare's Plays Quiz | 387,953 | 0 | - |
| Biggest Countries by Population | 1,445,166 | 0 | - |
| Peninsulas on the Map | 58,971 | 0 | - |
| Signs of the Zodiac Quiz | 225,686 | 0 | - |
| Random Acronyms #2 | 93,810 | 0 | - |
| Random Acronyms Quiz #1 | 59,386 | 0 | - |
| Canada Provinces Map Quiz | 640,148 | 0 | - |
| Australia Map Quiz | 344,538 | 0 | - |
| Letters of the Greek Alphabet | 647,185 | 0 | - |
