| Countries of the World Quiz | 47,431,817 | 0 | - |
| US States Quiz | 16,867,520 | 0 | - |
| Counties of England | 796,415 | 0 | - |
| Counties of England Map Quiz | 307,572 | 0 | - |
| Official Cities in the UK | 283,600 | 0 | - |
| UK Cities to Map | 843 | - | - |
| All Country Flags of the World | 3,661,338 | 0 | - |
| Europe Map Quiz | 4,761,789 | 0 | - |
| Asia Map Quiz | 916,418 | 0 | - |
| Africa Map Quiz | 2,117,407 | 0 | - |
| North America Map Quiz | 248,379 | 0 | - |
| Oceania Map Quiz | 642,004 | 0 | - |
| Seas on the World Map | 135,311 | 0 | - |
| Largest World's Islands on the World Map | 175,452 | 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 | 87,762 | 0 | - |
| World Capitals Quiz | 5,071,537 | 0 | - |
| Random Capital to Country | 2,590,587 | 0 | - |
| Random Country to Capital | 920,101 | 0 | - |
| US States and State Capitals | 162,163 | 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 | 61,920 | 0 | - |
| English Monarchs in Order by First Letter | 31,762 | 0 | - |
| Prime Ministers of the UK | 438,772 | 0 | - |
| U.S. Presidents Quiz | 3,696,662 | 0 | - |
| Empires by Maps | 120,379 | 0 | - |
| Largest Objects in the Solar System | 137,202 | 0 | - |
| Major Taxonomic Ranks | 80,540 | 0 | - |
| International Scientific Units | 156,801 | 0 | - |
| Elements of the Periodic Table | 2,241,874 | 0 | - |
| Stages of stars | 3 | - | - |
| Moon Phases | 108 | - | - |
| Oscar Best Pictures | 310,500 | 0 | - |
| Oscar Best Actors | 252,360 | 0 | - |
| Oscar Best Actresses | 185,934 | 0 | - |
| Nobel Peace Prize Winners | 11,491 | 0 | - |
| FIFA World Cup Winners | 258,743 | 0 | - |
| U.S. Presidential Terms with Whammies | 20,100 | 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 | 798,381 | 0 | - |
| Shakespeare's Plays Quiz | 387,957 | 0 | - |
| Biggest Countries by Population | 1,445,184 | 0 | - |
| Peninsulas on the Map | 58,973 | 0 | - |
| Signs of the Zodiac Quiz | 225,694 | 0 | - |
| Random Acronyms #2 | 93,812 | 0 | - |
| Random Acronyms Quiz #1 | 59,386 | 0 | - |
| Canada Provinces Map Quiz | 640,154 | 0 | - |
| Australia Map Quiz | 344,542 | 0 | - |
| Letters of the Greek Alphabet | 647,194 | 0 | - |
