| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,283 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,310 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,068 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,869 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,992 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,718 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,547 |
| Random European Capital to Country | 0 | - | 4.98 | 190,625 |
| Random European Country to Capital | 0 | - | 4.93 | 164,594 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,216 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,597 |
| Random African Capital to Country | 0 | - | 4.97 | 100,484 |
| Random African Country to Capital | 0 | - | 4.94 | 71,092 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,716 |
| Europe Capital to Country | 0 | - | 4.99 | 249,563 |
| Asia Capital to Country | 0 | - | 4.96 | 126,470 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,578 |
| European Capitals by Map | 0 | - | 4.99 | 138,571 |
| African Capitals by Map | 0 | - | 4.99 | 133,363 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,071 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,873 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,234 |
| European Coastal Capitals | 0 | - | 4.95 | 90,381 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,501 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,149 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,549 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,642 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,903 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,473 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,247 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,050 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,425 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,073 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,246 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,890 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,985 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,689 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,075 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,089 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,164 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,050 |
| Capitals of the Stans | 0 | - | 4.95 | 26,740 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,852 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,662 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,835 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,900 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,612 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,048 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,974 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,769 |
| Name a Valid African Country | 0 | - | 4.98 | 153,766 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,346 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,099 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,680 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,983 |
| Countries with Megacities | 0 | - | 4.99 | 258,965 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,856 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,970 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,139 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,972 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,841 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,949 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,235 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,265 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,960 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,617 |
| Countries by Capital City | 0 | - | 5.00 | 67,912 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,965 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,457 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,621 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,204 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,958 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,443 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,073 |
| Moved Capital Cities | 0 | - | 4.96 | 74,053 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,556 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,401 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,834 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,922 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,783 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 144,462 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,610 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,960 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,020 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| Which City in Europe? | 0 | - | 4.83 | 107,161 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,543 |
| Countries that Beat China | 0 | - | 4.86 | 115,492 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,467 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,787 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,692 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,293 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,112 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,315 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,146 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,547 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,389 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,667 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,258 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,362 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,917 |
| Resort Towns by Country | 0 | - | 4.30 | 39,997 |
| North American Sports Cities | 0 | - | 4.83 | 171,751 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,242 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,245 |
| Name a City - European Countries | 0 | - | 4.90 | 65,190 |
| Name a Valid World City | 0 | - | 4.83 | 70,934 |
| Cities by Former Name | 0 | - | 4.83 | 91,419 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,324 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,573 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,883 |
| World Capitals by Map | 0 | - | 5.00 | 285,595 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,153 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,003 |
| Random Country to Capital | 0 | - | 4.98 | 918,297 |
| Capitals Starting With H | 0 | - | 4.91 | 92,132 |
| Capitals Starting With K | 0 | - | 4.87 | 80,621 |
| Capitals Starting With L | 0 | - | 4.81 | 87,609 |
| Capitals Starting With M | 0 | - | 4.93 | 107,182 |
| Capitals Starting With P | 0 | - | 4.88 | 77,821 |
| Capitals Starting With R | 0 | - | 4.87 | 81,502 |
| Capitals Starting With S | 0 | - | 4.90 | 85,427 |
| Capitals Starting With T | 0 | - | 4.85 | 75,870 |
| Capitals Starting With W | 0 | - | 4.87 | 91,071 |
| Capitals Starting With A | 0 | - | 4.97 | 127,424 |
| Capitals Starting With B | 0 | - | 4.89 | 118,049 |
| Capitals Starting With D | 0 | - | 4.93 | 96,063 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,625 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,542 |
| Olympic Host Countries | 0 | - | 4.98 | 200,353 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,616 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,836 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,968 |
| The Only European Country ... | 0 | - | 4.91 | 215,995 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,744 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,776 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,581 |
| Countries of Africa | 0 | - | 5.00 | 2,530,178 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,660 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,318 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,125 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,141 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,377 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,494 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,204 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,695 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,966 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,150 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,820 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,660 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,724 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,091 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,074 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,420 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,153 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,431 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,073 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,512 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,406 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,780 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,583 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,818 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,690 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,692 |
| Former Capitals | 0 | - | 4.88 | 71,378 |
| Capital Cities Chain | 0 | - | 4.83 | 82,490 |
| Coldest World Capitals | 0 | - | 4.95 | 133,457 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,388 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,788 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,674 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,103 |
| Which City in Canada? | 0 | - | 4.82 | 56,943 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,172 |
| Countries of the Middle East | 0 | - | 4.96 | 200,743 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,003 |
| Slavic Countries | 0 | - | 4.96 | 111,494 |
| African Island Countries | 0 | - | 4.96 | 101,431 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,790 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,801 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,416 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,776 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,898 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,578 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,656 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,278 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,173 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,858 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,646 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,428 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,531 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,510 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,085 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,975 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,386 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,005 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,972 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,814 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,077 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,890 |
