| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,269 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,763 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,237 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,983 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,796 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,007 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,562 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,734 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,314 |
| 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 | 96,540 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,864 |
| Random African Capital to Country | 0 | - | 4.97 | 100,803 |
| Random African Country to Capital | 0 | - | 4.94 | 71,326 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,617 |
| Europe Capital to Country | 0 | - | 4.99 | 250,632 |
| Asia Capital to Country | 0 | - | 4.96 | 126,765 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,052 |
| European Capitals by Map | 0 | - | 4.99 | 139,652 |
| African Capitals by Map | 0 | - | 4.99 | 134,052 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,555 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,207 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,540 |
| European Coastal Capitals | 0 | - | 4.95 | 90,722 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,634 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,482 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,299 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,883 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,890 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,045 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,259 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,578 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,134 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,423 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,934 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,241 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,215 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,485 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,355 |
| Monarchies of Europe | 0 | - | 4.90 | 98,250 |
| Monarchies of Asia | 0 | - | 4.97 | 71,155 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,963 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,071 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,896 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,271 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,343 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,993 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,189 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,242 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,561 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,622 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,710 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,075 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,287 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,233 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,146 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,048 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,160 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,727 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,731 |
| Countries with Megacities | 0 | - | 4.99 | 264,172 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,582 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,388 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,843 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,449 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,341 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,429 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,492 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,604 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,366 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,180 |
| Countries by Capital City | 0 | - | 5.00 | 68,490 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,275 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,749 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,819 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,318 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,369 |
| Moved Capital Cities | 0 | - | 4.96 | 74,284 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,553 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,634 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,243 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,359 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,884 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,345 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,893 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,833 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,046 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,029 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,496 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,652 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,166 |
| North American Sports Cities | 0 | - | 4.83 | 172,530 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,364 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,173 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,907 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,476 |
| Cities by Former Name | 0 | - | 4.83 | 91,644 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,443 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,715 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,025 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,928 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,316 |
| World Capitals by Map | 0 | - | 5.00 | 287,124 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,402 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,189 |
| 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 | 134,848 |
| Random Country to Capital | 0 | - | 4.98 | 921,776 |
| Capitals Starting With H | 0 | - | 4.91 | 92,659 |
| Capitals Starting With K | 0 | - | 4.88 | 83,689 |
| Capitals Starting With L | 0 | - | 4.81 | 88,188 |
| Capitals Starting With M | 0 | - | 4.93 | 107,966 |
| Capitals Starting With P | 0 | - | 4.88 | 78,293 |
| Capitals Starting With R | 0 | - | 4.87 | 81,929 |
| Capitals Starting With S | 0 | - | 4.90 | 85,892 |
| Capitals Starting With T | 0 | - | 4.85 | 76,245 |
| Capitals Starting With W | 0 | - | 4.87 | 91,360 |
| Capitals Starting With A | 0 | - | 4.97 | 128,199 |
| Capitals Starting With B | 0 | - | 4.89 | 118,629 |
| Capitals Starting With D | 0 | - | 4.93 | 96,556 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,246 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,159 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,324 |
| Olympic Host Countries | 0 | - | 4.98 | 200,967 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,985 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,484 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,197 |
| The Only European Country ... | 0 | - | 4.91 | 217,070 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,568 |
| Hindu Countries | 0 | - | 4.86 | 50,235 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,387 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Countries of Africa | 0 | - | 5.00 | 2,541,370 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,506 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,751 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,134 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,839 |
| Australia A-Z | 0 | - | 4.54 | 50,005 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,188 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,777 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,667 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,602 |
| 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 | 90,430 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,102 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,122 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,421 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,262 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,850 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,295 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,603 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,346 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,251 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,437 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,917 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,162 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,593 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,844 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,087 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,309 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,269 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,000 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,889 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,316 |
| Former Capitals | 0 | - | 4.88 | 71,497 |
| Capital Cities Chain | 0 | - | 4.83 | 82,851 |
| Coldest World Capitals | 0 | - | 4.95 | 133,614 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,682 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,864 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,019 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,165 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,899 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,455 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,071 |
| Countries of the Middle East | 0 | - | 4.96 | 201,407 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,441 |
| Slavic Countries | 0 | - | 4.96 | 111,785 |
| African Island Countries | 0 | - | 4.96 | 101,760 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,926 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,398 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,457 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,255 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,087 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,255 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,681 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,062 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,644 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,696 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,502 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,187 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,799 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,872 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,677 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,316 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,329 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,695 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,365 |
