| Random European Capital to Country | 0 | - | 4.98 | 191,070 |
| Random European Country to Capital | 0 | - | 4.93 | 165,287 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,538 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,855 |
| Random African Capital to Country | 0 | - | 4.97 | 100,802 |
| Random African Country to Capital | 0 | - | 4.94 | 71,326 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,762 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,269 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,558 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,790 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,990 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,980 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,732 |
| Europe Capital to Country | 0 | - | 4.99 | 250,619 |
| Asia Capital to Country | 0 | - | 4.96 | 126,762 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,049 |
| European Capitals by Map | 0 | - | 4.99 | 139,640 |
| African Capitals by Map | 0 | - | 4.99 | 134,047 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,551 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,199 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,540 |
| European Coastal Capitals | 0 | - | 4.95 | 90,715 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,634 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,461 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,293 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,880 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,892 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,040 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,847 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,535 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,026 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,258 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,578 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,131 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,423 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,927 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,240 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,482 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,353 |
| Capitals of the Stans | 0 | - | 4.95 | 26,881 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,062 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,849 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,164 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,189 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,236 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,132 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,718 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,728 |
| Countries with Megacities | 0 | - | 4.99 | 264,162 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,573 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,385 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,837 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,447 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,340 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,424 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,491 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,601 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,361 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,179 |
| Countries by Capital City | 0 | - | 5.00 | 68,484 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,273 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,748 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,813 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,627 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,316 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,561 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,255 |
| Moved Capital Cities | 0 | - | 4.96 | 74,284 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,697 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,129 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,550 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,944 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,025 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,246 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,159 |
| Countries that Beat China | 0 | - | 4.85 | 116,007 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,830 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,040 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,027 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,496 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,647 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,162 |
| North American Sports Cities | 0 | - | 4.83 | 172,528 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,363 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,474 |
| Name a City - European Countries | 0 | - | 4.90 | 65,501 |
| Cities by Former Name | 0 | - | 4.83 | 91,641 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,441 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,713 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,315 |
| World Capitals by Map | 0 | - | 5.00 | 287,122 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,402 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,154 |
| Random Country to Capital | 0 | - | 4.98 | 921,750 |
| Capitals Starting With H | 0 | - | 4.91 | 92,657 |
| Capitals Starting With K | 0 | - | 4.88 | 83,688 |
| Capitals Starting With L | 0 | - | 4.81 | 88,187 |
| Capitals Starting With M | 0 | - | 4.93 | 107,963 |
| Capitals Starting With P | 0 | - | 4.88 | 78,291 |
| Capitals Starting With R | 0 | - | 4.87 | 81,926 |
| Capitals Starting With S | 0 | - | 4.90 | 85,891 |
| Capitals Starting With T | 0 | - | 4.85 | 76,243 |
| Capitals Starting With W | 0 | - | 4.87 | 91,358 |
| Capitals Starting With A | 0 | - | 4.97 | 128,194 |
| Capitals Starting With B | 0 | - | 4.89 | 118,624 |
| Capitals Starting With D | 0 | - | 4.93 | 96,553 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,750 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,315 |
| Olympic Host Countries | 0 | - | 4.98 | 200,964 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,984 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,481 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,182 |
| The Only European Country ... | 0 | - | 4.91 | 217,062 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,562 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,385 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Countries of Africa | 0 | - | 5.00 | 2,541,287 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,506 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,184 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,774 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,666 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,601 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,037 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,263 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,429 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,941 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,100 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,119 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,417 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,260 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,848 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,294 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,602 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,344 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,593 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,841 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,085 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,307 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,266 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,000 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,885 |
| Former Capitals | 0 | - | 4.88 | 71,496 |
| Capital Cities Chain | 0 | - | 4.83 | 82,850 |
| Coldest World Capitals | 0 | - | 4.95 | 133,613 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,678 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,367 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,863 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,016 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,352 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,873 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,060 |
| Countries of the Middle East | 0 | - | 4.96 | 201,391 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,441 |
| Slavic Countries | 0 | - | 4.96 | 111,784 |
| African Island Countries | 0 | - | 4.96 | 101,755 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,926 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,449 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,250 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,084 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,251 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,649 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,055 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,632 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,694 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,497 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,184 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,796 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,866 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,676 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,316 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,326 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,694 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,363 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,274 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,107 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,357 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,251 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,435 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,916 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,161 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,316 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,568 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,892 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,466 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,755 |
| Countries that Start with D | 0 | - | 4.96 | 710,843 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,545 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,797 |
| Countries that Start with H | 0 | - | 4.96 | 605,618 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,386 |
| Countries that Start with J | 0 | - | 4.98 | 603,253 |
| Countries that Start with K | 0 | - | 4.97 | 816,726 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,793 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,805 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,230 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,408 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,701 |
| Countries that Start with U | 0 | - | 4.97 | 905,192 |
| Countries that Start with V | 0 | - | 4.98 | 609,818 |
| Countries that Start with F | 0 | - | 4.83 | 618,264 |
