| Most Guessed European Capitals | 0 | - | 4.87 | 101,415 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,059 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,003 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,059 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,396 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,574 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,476 |
| Random European Capital to Country | 0 | - | 4.98 | 190,486 |
| Random European Country to Capital | 0 | - | 4.93 | 163,997 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,035 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,179 |
| Random African Capital to Country | 0 | - | 4.97 | 100,358 |
| Random African Country to Capital | 0 | - | 4.94 | 70,959 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,658 |
| Europe Capital to Country | 0 | - | 4.99 | 249,349 |
| Asia Capital to Country | 0 | - | 4.96 | 126,357 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,438 |
| European Capitals by Map | 0 | - | 4.99 | 138,315 |
| African Capitals by Map | 0 | - | 4.99 | 133,122 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,931 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,780 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,145 |
| European Coastal Capitals | 0 | - | 4.95 | 90,292 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,440 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,835 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,310 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 81,684 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,587 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,072 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,559 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,805 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,166 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,832 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,895 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,628 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,874 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,031 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,019 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,992 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,109 |
| Monarchies of Europe | 0 | - | 4.90 | 97,862 |
| Monarchies of Asia | 0 | - | 4.97 | 70,920 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,739 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,350 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,146 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,077 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,848 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,372 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,915 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,148 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,408 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,942 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,722 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,626 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,781 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,684 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,774 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,018 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,385 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,707 |
| Countries with Megacities | 0 | - | 4.99 | 249,820 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,534 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,794 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,862 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,786 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,721 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,823 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,179 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,202 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,833 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,434 |
| Countries by Capital City | 0 | - | 5.00 | 67,766 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,887 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,381 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,327 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,115 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,880 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,282 |
| Moved Capital Cities | 0 | - | 4.96 | 73,984 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,739 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,663 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,890 |
| Top 10 Richest Countries in Africa | 0 | - | 4.86 | 75,680 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,030 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,556 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,560 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,938 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,588 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,866 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,393 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,970 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,044 |
| Hindu Countries | 0 | - | 4.86 | 49,950 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,451 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,047 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,437 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,198 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,549 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,194 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,253 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,816 |
| North American Sports Cities | 0 | - | 4.83 | 171,635 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,124 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,176 |
| Name a City - European Countries | 0 | - | 4.90 | 65,097 |
| Cities by Former Name | 0 | - | 4.83 | 91,366 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,285 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,525 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,770 |
| World Capitals by Map | 0 | - | 5.00 | 285,299 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,090 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,637 |
| Random Country to Capital | 0 | - | 4.98 | 916,992 |
| Capitals Starting With H | 0 | - | 4.90 | 91,872 |
| Capitals Starting With K | 0 | - | 4.85 | 76,051 |
| Capitals Starting With L | 0 | - | 4.81 | 87,282 |
| Capitals Starting With M | 0 | - | 4.93 | 106,798 |
| Capitals Starting With P | 0 | - | 4.88 | 77,562 |
| Capitals Starting With R | 0 | - | 4.87 | 81,325 |
| Capitals Starting With S | 0 | - | 4.89 | 85,194 |
| Capitals Starting With T | 0 | - | 4.84 | 75,667 |
| Capitals Starting With W | 0 | - | 4.87 | 90,945 |
| Capitals Starting With A | 0 | - | 4.97 | 127,121 |
| Capitals Starting With B | 0 | - | 4.89 | 117,775 |
| Capitals Starting With D | 0 | - | 4.93 | 95,839 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,375 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,326 |
| Olympic Host Countries | 0 | - | 4.98 | 199,983 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,483 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,642 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,284 |
| The Only European Country ... | 0 | - | 4.91 | 215,726 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,536 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,604 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,538 |
| Countries of Africa | 0 | - | 5.00 | 2,527,327 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,766 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,487 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,832 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,243 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,444 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,084 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,593 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,888 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,069 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,526 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,611 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,024 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,014 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,089 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,110 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,375 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,006 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,477 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,294 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,699 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,303 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,722 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,554 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,630 |
| Former Capitals | 0 | - | 4.88 | 71,344 |
| Capital Cities Chain | 0 | - | 4.83 | 82,396 |
| Coldest World Capitals | 0 | - | 4.95 | 133,406 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,304 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,523 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,570 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,766 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,219 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,623 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,907 |
| Countries of the Middle East | 0 | - | 4.96 | 200,565 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,896 |
| Slavic Countries | 0 | - | 4.96 | 111,403 |
| African Island Countries | 0 | - | 4.96 | 101,330 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,758 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,759 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,638 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,176 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,685 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,792 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,470 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,550 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,169 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,023 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,554 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,507 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,331 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,422 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,479 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,731 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,873 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,081 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,889 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,881 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,741 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,982 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,919 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,067 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,548 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,197 |
