| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,617 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,763 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,455 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,367 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,937 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,995 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,002 |
| Random European Capital to Country | 0 | - | 4.98 | 192,012 |
| Random European Country to Capital | 0 | - | 4.93 | 165,788 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,935 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,348 |
| Random African Capital to Country | 0 | - | 4.97 | 101,256 |
| Random African Country to Capital | 0 | - | 4.95 | 71,688 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,559 |
| World Capitals Quiz | 0 | - | 5.00 | 5,101,199 |
| Europe Capital to Country | 0 | - | 4.99 | 251,849 |
| Asia Capital to Country | 0 | - | 4.96 | 127,306 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,813 |
| European Capitals by Map | 0 | - | 4.99 | 141,852 |
| African Capitals by Map | 0 | - | 4.99 | 141,886 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,812 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,757 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,089 |
| European Coastal Capitals | 0 | - | 4.95 | 91,215 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,131 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,241 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,551 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,116 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,192 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,324 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,312 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,511 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,839 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,133 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,497 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,995 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,331 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,519 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,856 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,651 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,009 |
| Capitals of the Stans | 0 | - | 4.95 | 27,096 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,739 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,668 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,756 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,584 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,173 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,499 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,194 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,684 |
| Name a Valid African Country | 0 | - | 4.98 | 154,916 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,748 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,861 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,159 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,921 |
| Countries with Megacities | 0 | - | 4.99 | 266,659 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,631 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,987 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,931 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,097 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,154 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,232 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,893 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,099 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,099 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,007 |
| Countries by Capital City | 0 | - | 5.00 | 69,242 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,769 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,152 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,498 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,741 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,489 |
| Moved Capital Cities | 0 | - | 4.96 | 74,590 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,961 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,775 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,327 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,291 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,777 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,618 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,935 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,369 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,252 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,868 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,565 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,841 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,124 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,522 |
| Resort Towns by Country | 0 | - | 4.30 | 40,076 |
| North American Sports Cities | 0 | - | 4.83 | 173,042 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,531 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,868 |
| Name a City - European Countries | 0 | - | 4.90 | 66,066 |
| Cities by Former Name | 0 | - | 4.83 | 91,980 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,655 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,940 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,131 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,734 |
| World Capitals by Map | 0 | - | 5.00 | 289,032 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,765 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,924 |
| Random Country to Capital | 0 | - | 4.98 | 926,866 |
| Capitals Starting With H | 0 | - | 4.91 | 93,244 |
| Capitals Starting With K | 0 | - | 4.89 | 84,317 |
| Capitals Starting With M | 0 | - | 4.94 | 109,022 |
| Capitals Starting With P | 0 | - | 4.88 | 78,918 |
| Capitals Starting With R | 0 | - | 4.88 | 82,442 |
| Capitals Starting With S | 0 | - | 4.90 | 86,492 |
| Capitals Starting With T | 0 | - | 4.85 | 76,767 |
| Capitals Starting With W | 0 | - | 4.87 | 91,684 |
| Capitals Starting With A | 0 | - | 4.97 | 128,994 |
| Capitals Starting With B | 0 | - | 4.89 | 119,391 |
| Capitals Starting With D | 0 | - | 4.94 | 97,109 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,567 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,282 |
| Which City in Europe? | 0 | - | 4.83 | 107,823 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,524 |
| Olympic Host Countries | 0 | - | 4.98 | 201,779 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,730 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,911 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,156 |
| The Only European Country ... | 0 | - | 4.91 | 218,662 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,683 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,341 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,877 |
| Countries of Africa | 0 | - | 5.00 | 2,556,025 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,501 |
| Countries that Beat China | 0 | - | 4.85 | 116,633 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,497 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,288 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,412 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,921 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,213 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,097 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,705 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,676 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,659 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,298 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,873 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,229 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,577 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,683 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,812 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,153 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,600 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,689 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,820 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,474 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,136 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,479 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,823 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,685 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,310 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,686 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,067 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,218 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,753 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,360 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,815 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,278 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,937 |
| Random European City to Country | 0 | - | 4.69 | 118,372 |
| Random Asian City to Country | 0 | - | 4.56 | 44,606 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,584 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,508 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,748 |
| Former Capitals | 0 | - | 4.88 | 71,642 |
| Capital Cities Chain | 0 | - | 4.84 | 83,274 |
| Coldest World Capitals | 0 | - | 4.95 | 134,114 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,062 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,757 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,480 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,705 |
| Which City in Canada? | 0 | - | 4.83 | 57,322 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,489 |
| Countries of the Middle East | 0 | - | 4.96 | 202,426 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,057 |
| Slavic Countries | 0 | - | 4.96 | 112,280 |
| African Island Countries | 0 | - | 4.96 | 102,348 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,132 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,218 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,851 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,553 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,805 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,119 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,688 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,217 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,465 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,059 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,209 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,389 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,441 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,913 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,712 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,937 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,382 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,173 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,808 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,064 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,044 |
| Countries that Beat Egypt | 0 | - | 4.91 | 66,881 |
