| Name a World Capital A-Z | 0 | - | 5.00 | 174,945 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,267 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,658 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,088 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,754 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,398 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,662 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,895 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,100 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,190 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,025 |
| Random European Capital to Country | 0 | - | 4.98 | 189,183 |
| Random European Country to Capital | 0 | - | 4.92 | 147,432 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,389 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,383 |
| Random African Capital to Country | 0 | - | 4.97 | 99,726 |
| Random African Country to Capital | 0 | - | 4.94 | 70,227 |
| Europe Capital to Country | 0 | - | 4.99 | 247,660 |
| Asia Capital to Country | 0 | - | 4.96 | 125,732 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,432 |
| European Capitals by Map | 0 | - | 4.99 | 136,221 |
| African Capitals by Map | 0 | - | 4.99 | 132,133 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,116 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,165 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,592 |
| European Coastal Capitals | 0 | - | 4.95 | 89,730 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,733 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,750 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,412 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,928 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,407 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,171 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,088 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,805 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,654 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,400 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,092 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,166 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,695 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,694 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,430 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,760 |
| Monarchies of Europe | 0 | - | 4.90 | 97,299 |
| Monarchies of Asia | 0 | - | 4.97 | 70,591 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,429 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,672 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,712 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,462 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,385 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,488 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,816 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,226 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,347 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,227 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,068 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,226 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,107 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,484 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,793 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,557 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,089 |
| Countries with Megacities | 0 | - | 4.99 | 246,715 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,021 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,886 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,442 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,804 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,735 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,917 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,640 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,591 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,595 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,405 |
| Countries by Capital City | 0 | - | 5.00 | 66,610 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,311 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,896 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,314 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,428 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,403 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,151 |
| Moved Capital Cities | 0 | - | 4.96 | 73,575 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,540 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,090 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,166 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,135 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,100 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,555 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,659 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,912 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,061 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,795 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,258 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,615 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,807 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,521 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,877 |
| Hindu Countries | 0 | - | 4.85 | 49,557 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,806 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,878 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,859 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,462 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,572 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,239 |
| North American Sports Cities | 0 | - | 4.83 | 170,879 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,911 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,713 |
| Name a City - European Countries | 0 | - | 4.92 | 64,372 |
| Cities by Former Name | 0 | - | 4.84 | 90,956 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,678 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,229 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,916 |
| World Capitals by Map | 0 | - | 5.00 | 283,144 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,652 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,697 |
| Random Country to Capital | 0 | - | 4.98 | 911,460 |
| Capitals Starting With H | 0 | - | 4.90 | 90,813 |
| Capitals Starting With K | 0 | - | 4.85 | 75,673 |
| Capitals Starting With L | 0 | - | 4.81 | 86,820 |
| Capitals Starting With M | 0 | - | 4.93 | 106,032 |
| Capitals Starting With P | 0 | - | 4.88 | 77,178 |
| Capitals Starting With R | 0 | - | 4.87 | 80,964 |
| Capitals Starting With S | 0 | - | 4.89 | 84,797 |
| Capitals Starting With T | 0 | - | 4.84 | 75,284 |
| Capitals Starting With W | 0 | - | 4.89 | 90,599 |
| Capitals Starting With A | 0 | - | 4.97 | 126,533 |
| Capitals Starting With B | 0 | - | 4.89 | 117,276 |
| Capitals Starting With D | 0 | - | 4.93 | 95,371 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,333 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,941 |
| Olympic Host Countries | 0 | - | 4.98 | 198,868 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,798 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,514 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,397 |
| The Only European Country ... | 0 | - | 4.91 | 213,775 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,096 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,499 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,197 |
| Countries of Africa | 0 | - | 5.00 | 2,507,251 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,319 |
| Australia A-Z | 0 | - | 4.54 | 49,780 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,009 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,195 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,132 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,302 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,893 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,379 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,564 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,523 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,442 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,270 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,251 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,596 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,553 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,792 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,203 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,300 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,332 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,177 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,085 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,785 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,663 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,324 |
| Former Capitals | 0 | - | 4.88 | 71,130 |
| Capital Cities Chain | 0 | - | 4.84 | 81,903 |
| Coldest World Capitals | 0 | - | 4.95 | 133,038 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,783 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,844 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,979 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,177 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,615 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,420 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,275 |
| Countries of the Middle East | 0 | - | 4.96 | 198,870 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,234 |
| Slavic Countries | 0 | - | 4.96 | 110,839 |
| African Island Countries | 0 | - | 4.96 | 100,773 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,493 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,907 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,365 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,988 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,095 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,073 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,447 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,691 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,467 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,074 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,770 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,596 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,701 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,746 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,145 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,148 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,268 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,548 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,245 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,382 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,222 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,499 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,970 |
