| World Coats of Arms | 64,084 | 0 | - |
| Africa Capitals Quiz | 732,894 | 0 | - |
| Word Scramble - National Capitals | 485,674 | 0 | - |
| US States by Borders in 30 Seconds | 2,670,498 | 0 | - |
| Biggest World Cities A-Z | 222,147 | 0 | - |
| Cities with the Most Metro Rail Stations | 101,981 | 0 | - |
| Closest World Capitals Going Around the Equator | 13,574 | 0 | - |
| 12 Apostles of Jesus | 127,921 | 0 | - |
| Shrinking U.S. States | 40,269 | 0 | - |
| U.S. Presidents Who Died in Office | 34,835 | 0 | - |
| Capitals Starting With B | 117,548 | 0 | - |
| Canada Geography Trivia | 47,437 | 0 | - |
| State Quiz - Virginia | 40,141 | 0 | - |
| Most Guessed Cities by Country #1 | 101,449 | 0 | - |
| Random African Capital to Country | 99,962 | 0 | - |
| Geography by Letter on the World Map - F | 56,887 | 0 | - |
| Alphabets, Scripts, or Writing Systems | 38,567 | 0 | - |
| U.S. Cities A-Z by Clue #1 | 39,732 | 0 | - |
| Countries 206 to 242 | 33,790 | 0 | - |
| Countries by First and Last Two Letters | 1,807,025 | 0 | - |
| Top World Languages | 816,341 | 0 | - |
| Seas of the World | 155,212 | 0 | - |
| All 2M Cities by Proximity | 51,755 | 0 | - |
| Most Common Male First Names in the U.S. | 149,104 | 0 | - |
| Which City in Europe? | 106,957 | 0 | - |
| Biggest U.S. Cities Starting with S | 81,453 | 0 | - |
| Highest Grossing 1980s Movies | 65,315 | 0 | - |
| U.S. State Capital to Largest City | 39,206 | 0 | - |
| Asian Geography by Letter - C | 64,585 | 0 | - |
| 100 Biggest Cities in Europe with a Map | 343,228 | 0 | - |
| 1700s Decade Quiz | 13,544 | 0 | - |
| Geographic Groups of Seven #1 | 140,744 | 0 | - |
| Paris City Trivia | 35,494 | 0 | - |
| Groups of Things - The Bible | 55,070 | 0 | - |
| 2010s Celebrities by Picture #1 | 171,763 | 0 | - |
| Is That Really in the Bible? | 18,910 | 0 | - |
| Countries, Capitals, Currencies and Official Languages | 105,736 | 0 | - |
| Top 10 World Cities Through History | 72,199 | 0 | - |
| Two Letter U.S. State Abbreviations | 744,815 | 0 | - |
| Top Five Languages by Language Family | 53,597 | 0 | - |
| 50 Busiest Air Routes from London | 95,971 | 0 | - |
| Interesting Facts Quiz #6 | 26,565 | 0 | - |
| Cities Beginning With S on a Map | 68,614 | 0 | - |
| Diseases: Virus... or Bacteria? | 38,523 | 0 | - |
| Biggest Cities Starting With H | 108,881 | 0 | - |
| Satellite Images - The United Kingdom | 27,943 | 0 | - |
| African Cities in the Top 200 Worldwide | 50,521 | 0 | - |
| Bible Quotes Quiz #1 | 61,608 | 0 | - |
| Answers by Time Period | 55,393 | 0 | - |
| Super Smash Brothers Characters | 128,023 | 0 | - |
| French Geography Quiz #2 | 23,140 | 0 | - |
| Colour in the Flag Map by Guessing Cities | 64,213 | 0 | - |
| Countries in Their Own Alphabet | 47,777 | 0 | - |
| Countries of Iberia in History with a Map | 41,293 | 0 | - |
| Ancient Roman Trivia #2 | 38,606 | 0 | - |
| Cities By Wikipedia Word Clouds A-Z | 32,922 | 0 | - |
| Official and Regional Languages of Europe on a Map | 110,815 | 0 | - |
| Largest Objects in the Solar System | 136,277 | 0 | - |
| Which City in Italy? | 89,572 | 0 | - |
| 100 Biggest Cities on a World Map | 415,069 | 0 | - |
| Biggest Cities in Asia | 116,025 | 0 | - |
| All Germanic Languages With a Map | 67,861 | 0 | - |
| Biggest Cities Starting With M | 142,732 | 0 | - |
| Cities with the Most Skyscrapers | 100,839 | 0 | - |
| Countries and Capitals of the World With a Map | 65,668 | 0 | - |
| 20 Chinese Cities Everyone Should Know | 39,276 | 0 | - |
| Geography on a World Map | 86,148 | 0 | - |
| 40 Random Missing Countries on the World Map | 965,015 | 0 | - |
| Which City in Latin America? | 46,917 | 0 | - |
| World Capitals by First Two Letters in 90 Seconds | 246,116 | 0 | - |
| Cities with the Tallest Buildings | 84,410 | 0 | - |
| Most Valuable Tech Companies | 31,756 | 0 | - |
| Biggest Cities Starting With C | 104,953 | 0 | - |
| South American Cities on the Map | 35,295 | 0 | - |
| Ultimate 20th Century History Quiz | 53,409 | 0 | - |
| Famous Dictators #1 | 199,117 | 0 | - |
| We Didn't Start the Fire Lyrics | 48,569 | 0 | - |
| 100 Biggest U.S. Cities on a Map | 115,707 | 0 | - |
| Fast Decimal to Binary Conversion | 42,976 | 0 | - |
| Yearly #1 Hit Songs in the U.S. | 95,515 | 0 | - |
| States of the Holy Roman Empire in 1356 | 73,016 | 0 | - |
| Cities Beginning With D on a Map | 80,155 | 0 | - |
| World's Busiest Airports | 218,373 | 0 | - |
| International Scientific Units | 155,885 | 0 | - |
| World Capitals by Map | 284,527 | 0 | - |
| First European Cities in History to Reach 100,000 People | 51,113 | 0 | - |
| Marvel Cinematic Universe - Actor to Character | 112,716 | 0 | - |
| Spain Country Quiz | 127,949 | 0 | - |
| Groups of Twelve Quiz | 93,968 | 0 | - |
| Car Model to Make | 195,838 | 0 | - |
| European Secessionist Movements on a Map | 34,826 | 0 | - |
| All Romance Languages on a Map | 72,292 | 0 | - |
| Cities by Founding Story | 42,007 | 0 | - |
| Non-Stop Flights to New Zealand | 47,839 | 0 | - |
| Asian Countries by Borders in 30 Seconds | 413,682 | 0 | - |
| Countries by Highest Mountain | 19,889 | 0 | - |
| Official Languages of the World on the Disappearing World Map | 115,768 | 0 | - |
| 50 States, 50 Cities - Hard Version | 44,068 | 0 | - |
| Every Country Shape | 461,084 | 0 | - |
| All 1M Cities by Proximity | 575,029 | 0 | - |
| Biggest Cities in China | 157,606 | 0 | - |
| Random Capitals with Letters Missing | 29,180 | 0 | - |
| Geography Containing Each Letter A-Z | 121,036 | 0 | - |
| Digits of Pi | 1,160,245 | 0 | - |
| Band Members #1 | 91,783 | 0 | - |
| World Currency Quiz | 300,025 | 0 | - |
| Biggest Cities in Germany | 292,137 | 0 | - |
| Countries by Capital City | 67,294 | 0 | - |
| Busiest Airports in Europe | 145,321 | 0 | - |
| Airline Logos | 140,211 | 0 | - |
| Official Languages of the World | 413,714 | 0 | - |
| Cities by Former Name | 91,203 | 0 | - |
| Biggest Cities Starting With P | 126,261 | 0 | - |
| Time Magazine Person of the Year | 73,759 | 0 | - |
| Biggest Metro Areas in the USA | 364,628 | 0 | - |
| Islands of "The World" in Dubai | 17,798 | 0 | - |
| Don't Stop Believin' Lyrics | 222,940 | 0 | - |
| Medical Conditions Quiz | 123,536 | 0 | - |
| Random U.S. Presidents by Picture | 65,957 | 0 | - |
| Biggest Cities in the UK | 104,419 | 0 | - |
| Largest World Cities With Four Letters | 50,921 | 0 | - |
| 100 Biggest Cities in the World with Exceptions | 67,013 | 0 | - |
| Groups of Things - Harry Potter | 280,571 | 0 | - |
| Famous Duos Quiz #1 | 83,857 | 0 | - |
