| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,868 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,411 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,193 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,800 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,549 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,700 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,592 |
| Random European Capital to Country | 0 | - | 4.98 | 190,734 |
| Random European Country to Capital | 0 | - | 4.93 | 164,905 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,334 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,663 |
| Random African Capital to Country | 0 | - | 4.97 | 100,575 |
| Random African Country to Capital | 0 | - | 4.94 | 71,127 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,067 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,886 |
| Europe Capital to Country | 0 | - | 4.99 | 249,760 |
| Asia Capital to Country | 0 | - | 4.96 | 126,543 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,705 |
| European Capitals by Map | 0 | - | 4.99 | 138,810 |
| African Capitals by Map | 0 | - | 4.99 | 133,517 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,175 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,959 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,305 |
| European Coastal Capitals | 0 | - | 4.95 | 90,460 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,529 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,478 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,713 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,778 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,693 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,939 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,549 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,734 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,360 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,347 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,947 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,086 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,754 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,116 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,206 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,218 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,137 |
| Capitals of the Stans | 0 | - | 4.95 | 26,795 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,448 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,029 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,914 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,961 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,691 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,093 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,397 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,870 |
| Name a Valid African Country | 0 | - | 4.98 | 153,895 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,487 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,089 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,917 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,169 |
| Countries with Megacities | 0 | - | 4.99 | 261,885 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,033 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,079 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,328 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,113 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,957 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,043 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,287 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,353 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,054 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,752 |
| Countries by Capital City | 0 | - | 5.00 | 68,036 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,037 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,527 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,880 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,030 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,109 |
| Moved Capital Cities | 0 | - | 4.96 | 74,104 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,587 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,465 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,110 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,310 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,471 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,945 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,906 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,672 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,603 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,538 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,745 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,316 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,436 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,985 |
| Resort Towns by Country | 0 | - | 4.30 | 40,005 |
| North American Sports Cities | 0 | - | 4.83 | 172,203 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,282 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,297 |
| Name a City - European Countries | 0 | - | 4.90 | 65,270 |
| Cities by Former Name | 0 | - | 4.83 | 91,484 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,348 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,606 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,972 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,008 |
| World Capitals by Map | 0 | - | 5.00 | 285,831 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,212 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,179 |
| Random Country to Capital | 0 | - | 4.98 | 919,206 |
| Capitals Starting With H | 0 | - | 4.91 | 92,392 |
| Capitals Starting With K | 0 | - | 4.88 | 82,996 |
| Capitals Starting With L | 0 | - | 4.81 | 87,907 |
| Capitals Starting With M | 0 | - | 4.93 | 107,560 |
| Capitals Starting With P | 0 | - | 4.88 | 78,042 |
| Capitals Starting With R | 0 | - | 4.87 | 81,686 |
| Capitals Starting With S | 0 | - | 4.90 | 85,628 |
| Capitals Starting With T | 0 | - | 4.85 | 76,043 |
| Capitals Starting With W | 0 | - | 4.87 | 91,206 |
| Capitals Starting With A | 0 | - | 4.97 | 127,692 |
| Capitals Starting With B | 0 | - | 4.89 | 118,297 |
| Capitals Starting With D | 0 | - | 4.93 | 96,276 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,071 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,093 |
| Which City in Europe? | 0 | - | 4.83 | 107,265 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,722 |
| Olympic Host Countries | 0 | - | 4.98 | 200,531 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,711 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,983 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,508 |
| The Only European Country ... | 0 | - | 4.91 | 216,240 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,945 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,908 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,610 |
| Countries of Africa | 0 | - | 5.00 | 2,532,642 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,677 |
| Countries that Beat China | 0 | - | 4.86 | 115,587 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,526 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,832 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,747 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,343 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,196 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,368 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,900 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,382 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,466 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,533 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,305 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,775 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,049 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,216 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,847 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,781 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,828 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,160 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,124 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,617 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,193 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,474 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,141 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,230 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,329 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,830 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,126 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,526 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,504 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,854 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,781 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,923 |
| Random European City to Country | 0 | - | 4.69 | 117,528 |
| Random Asian City to Country | 0 | - | 4.56 | 44,473 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,762 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,727 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,053 |
| Former Capitals | 0 | - | 4.88 | 71,403 |
| Capital Cities Chain | 0 | - | 4.83 | 82,593 |
| Coldest World Capitals | 0 | - | 4.95 | 133,503 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,452 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,864 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,763 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,163 |
| Which City in Canada? | 0 | - | 4.82 | 57,003 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,370 |
| Countries of the Middle East | 0 | - | 4.96 | 200,910 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,114 |
| Slavic Countries | 0 | - | 4.96 | 111,549 |
| African Island Countries | 0 | - | 4.96 | 101,510 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,828 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,925 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,764 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,846 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,988 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,547 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,743 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,375 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,319 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,980 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,788 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,525 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,620 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,554 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,141 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,064 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,481 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,103 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,041 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,889 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,167 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,922 |
