| World Coats of Arms | 64,091 | 0 | - |
| Africa Capitals Quiz | 732,999 | 0 | - |
| Word Scramble - National Capitals | 485,753 | 0 | - |
| US States by Borders in 30 Seconds | 2,670,685 | 0 | - |
| Biggest World Cities A-Z | 222,161 | 0 | - |
| Cities with the Most Metro Rail Stations | 101,986 | 0 | - |
| Closest World Capitals Going Around the Equator | 13,577 | 0 | - |
| 12 Apostles of Jesus | 127,927 | 0 | - |
| Shrinking U.S. States | 40,270 | 0 | - |
| U.S. Presidents Who Died in Office | 34,838 | 0 | - |
| Capitals Starting With B | 117,555 | 0 | - |
| Canada Geography Trivia | 47,439 | 0 | - |
| State Quiz - Virginia | 40,145 | 0 | - |
| Most Guessed Cities by Country #1 | 101,453 | 0 | - |
| Random African Capital to Country | 99,977 | 0 | - |
| Geography by Letter on the World Map - F | 56,896 | 0 | - |
| Alphabets, Scripts, or Writing Systems | 38,583 | 0 | - |
| U.S. Cities A-Z by Clue #1 | 39,732 | 0 | - |
| Countries 206 to 242 | 33,793 | 0 | - |
| Countries by First and Last Two Letters | 1,807,163 | 0 | - |
| Top World Languages | 816,465 | 0 | - |
| Seas of the World | 155,251 | 0 | - |
| All 2M Cities by Proximity | 51,764 | 0 | - |
| Most Common Male First Names in the U.S. | 149,109 | 0 | - |
| Which City in Europe? | 106,962 | 0 | - |
| Biggest U.S. Cities Starting with S | 81,455 | 0 | - |
| Highest Grossing 1980s Movies | 65,316 | 0 | - |
| U.S. State Capital to Largest City | 39,209 | 0 | - |
| Asian Geography by Letter - C | 64,587 | 0 | - |
| 100 Biggest Cities in Europe with a Map | 343,290 | 0 | - |
| 1700s Decade Quiz | 13,546 | 0 | - |
| Geographic Groups of Seven #1 | 140,749 | 0 | - |
| Paris City Trivia | 35,495 | 0 | - |
| Groups of Things - The Bible | 55,075 | 0 | - |
| 2010s Celebrities by Picture #1 | 171,778 | 0 | - |
| Is That Really in the Bible? | 18,912 | 0 | - |
| Countries, Capitals, Currencies and Official Languages | 105,755 | 0 | - |
| Top 10 World Cities Through History | 72,202 | 0 | - |
| Two Letter U.S. State Abbreviations | 744,854 | 0 | - |
| Top Five Languages by Language Family | 53,610 | 0 | - |
| 50 Busiest Air Routes from London | 95,973 | 0 | - |
| Interesting Facts Quiz #6 | 26,565 | 0 | - |
| Cities Beginning With S on a Map | 68,616 | 0 | - |
| Diseases: Virus... or Bacteria? | 38,527 | 0 | - |
| Biggest Cities Starting With H | 108,885 | 0 | - |
| Satellite Images - The United Kingdom | 27,948 | 0 | - |
| African Cities in the Top 200 Worldwide | 50,524 | 0 | - |
| Bible Quotes Quiz #1 | 61,615 | 0 | - |
| Answers by Time Period | 55,399 | 0 | - |
| Super Smash Brothers Characters | 128,037 | 0 | - |
| French Geography Quiz #2 | 23,143 | 0 | - |
| Colour in the Flag Map by Guessing Cities | 64,217 | 0 | - |
| Countries in Their Own Alphabet | 47,780 | 0 | - |
| Countries of Iberia in History with a Map | 41,298 | 0 | - |
| Ancient Roman Trivia #2 | 38,609 | 0 | - |
| Cities By Wikipedia Word Clouds A-Z | 32,926 | 0 | - |
| Official and Regional Languages of Europe on a Map | 110,835 | 0 | - |
| Largest Objects in the Solar System | 136,294 | 0 | - |
| Which City in Italy? | 89,598 | 0 | - |
| 100 Biggest Cities on a World Map | 415,102 | 0 | - |
| Biggest Cities in Asia | 116,035 | 0 | - |
| All Germanic Languages With a Map | 67,877 | 0 | - |
| Biggest Cities Starting With M | 142,743 | 0 | - |
| Cities with the Most Skyscrapers | 100,839 | 0 | - |
| Countries and Capitals of the World With a Map | 65,686 | 0 | - |
| 20 Chinese Cities Everyone Should Know | 39,281 | 0 | - |
| Geography on a World Map | 86,164 | 0 | - |
| 40 Random Missing Countries on the World Map | 965,263 | 0 | - |
| Which City in Latin America? | 46,917 | 0 | - |
| World Capitals by First Two Letters in 90 Seconds | 246,119 | 0 | - |
| Cities with the Tallest Buildings | 84,412 | 0 | - |
| Most Valuable Tech Companies | 31,759 | 0 | - |
| Biggest Cities Starting With C | 104,955 | 0 | - |
| South American Cities on the Map | 35,296 | 0 | - |
| Ultimate 20th Century History Quiz | 53,415 | 0 | - |
| Famous Dictators #1 | 199,125 | 0 | - |
| We Didn't Start the Fire Lyrics | 48,574 | 0 | - |
| 100 Biggest U.S. Cities on a Map | 115,719 | 0 | - |
| Fast Decimal to Binary Conversion | 42,978 | 0 | - |
| Yearly #1 Hit Songs in the U.S. | 95,518 | 0 | - |
| States of the Holy Roman Empire in 1356 | 73,035 | 0 | - |
| Cities Beginning With D on a Map | 80,155 | 0 | - |
| World's Busiest Airports | 221,591 | 0 | - |
| International Scientific Units | 155,901 | 0 | - |
| World Capitals by Map | 284,551 | 0 | - |
| First European Cities in History to Reach 100,000 People | 51,118 | 0 | - |
| Marvel Cinematic Universe - Actor to Character | 112,732 | 0 | - |
| Spain Country Quiz | 127,962 | 0 | - |
| Groups of Twelve Quiz | 93,971 | 0 | - |
| Car Model to Make | 195,850 | 0 | - |
| European Secessionist Movements on a Map | 34,828 | 0 | - |
| All Romance Languages on a Map | 72,313 | 0 | - |
| Cities by Founding Story | 42,011 | 0 | - |
| Non-Stop Flights to New Zealand | 47,840 | 0 | - |
| Asian Countries by Borders in 30 Seconds | 413,706 | 0 | - |
| Countries by Highest Mountain | 19,891 | 0 | - |
| Official Languages of the World on the Disappearing World Map | 115,782 | 0 | - |
| 50 States, 50 Cities - Hard Version | 44,071 | 0 | - |
| Every Country Shape | 461,157 | 0 | - |
| All 1M Cities by Proximity | 575,071 | 0 | - |
| Biggest Cities in China | 157,626 | 0 | - |
| Random Capitals with Letters Missing | 29,181 | 0 | - |
| Geography Containing Each Letter A-Z | 121,061 | 0 | - |
| Digits of Pi | 1,160,272 | 0 | - |
| Band Members #1 | 91,784 | 0 | - |
| World Currency Quiz | 300,101 | 0 | - |
| Biggest Cities in Germany | 292,163 | 0 | - |
| Countries by Capital City | 67,324 | 0 | - |
| Busiest Airports in Europe | 145,398 | 0 | - |
| Airline Logos | 140,222 | 0 | - |
| Official Languages of the World | 413,777 | 0 | - |
| Cities by Former Name | 91,210 | 0 | - |
| Biggest Cities Starting With P | 126,264 | 0 | - |
| Time Magazine Person of the Year | 73,761 | 0 | - |
| Biggest Metro Areas in the USA | 364,646 | 0 | - |
| Islands of "The World" in Dubai | 17,799 | 0 | - |
| Don't Stop Believin' Lyrics | 222,950 | 0 | - |
| Medical Conditions Quiz | 123,540 | 0 | - |
| Random U.S. Presidents by Picture | 65,966 | 0 | - |
| Biggest Cities in the UK | 104,424 | 0 | - |
| Largest World Cities With Four Letters | 50,927 | 0 | - |
| 100 Biggest Cities in the World with Exceptions | 67,023 | 0 | - |
| Groups of Things - Harry Potter | 280,585 | 0 | - |
| Famous Duos Quiz #1 | 83,857 | 0 | - |
