| Name a World Capital A-Z | 0 | - | 5.00 | 176,048 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,487 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,008 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,123 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,057 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,295 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,097 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,211 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,789 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,846 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,492 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,625 |
| Random European Capital to Country | 0 | - | 4.98 | 190,799 |
| Random European Country to Capital | 0 | - | 4.93 | 165,009 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,383 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,712 |
| Random African Capital to Country | 0 | - | 4.97 | 100,662 |
| Random African Country to Capital | 0 | - | 4.94 | 71,175 |
| Europe Capital to Country | 0 | - | 4.99 | 249,910 |
| Asia Capital to Country | 0 | - | 4.96 | 126,603 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,774 |
| European Capitals by Map | 0 | - | 4.99 | 138,978 |
| African Capitals by Map | 0 | - | 4.99 | 133,666 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,272 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,013 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,358 |
| European Coastal Capitals | 0 | - | 4.95 | 90,530 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,560 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,663 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,832 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,803 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,276 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,799 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,082 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,724 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,516 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,412 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,982 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,176 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,792 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,144 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,135 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,296 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,250 |
| Monarchies of Europe | 0 | - | 4.90 | 98,077 |
| Monarchies of Asia | 0 | - | 4.97 | 71,058 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,847 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,812 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,124 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,047 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,936 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,282 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,272 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,528 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,947 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,113 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,059 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,935 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,932 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,773 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,107 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,302 |
| Countries with Megacities | 0 | - | 4.99 | 262,679 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,138 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,141 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,438 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,189 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,029 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,154 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,338 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,425 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,141 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,879 |
| Countries by Capital City | 0 | - | 5.00 | 68,154 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,111 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,588 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,111 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,374 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,110 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,332 |
| Moved Capital Cities | 0 | - | 4.96 | 74,150 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,222 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,849 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,228 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,644 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,782 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,888 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,942 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,754 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,984 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,899 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,718 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,960 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,635 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,104 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,114 |
| Hindu Countries | 0 | - | 4.86 | 50,098 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,662 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,650 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,819 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,354 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,482 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,027 |
| North American Sports Cities | 0 | - | 4.83 | 172,294 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,298 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,337 |
| Name a City - European Countries | 0 | - | 4.90 | 65,322 |
| Cities by Former Name | 0 | - | 4.83 | 91,522 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,367 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,632 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,100 |
| World Capitals by Map | 0 | - | 5.00 | 286,113 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,250 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,090 |
| Random Country to Capital | 0 | - | 4.98 | 919,785 |
| Capitals Starting With H | 0 | - | 4.91 | 92,482 |
| Capitals Starting With K | 0 | - | 4.88 | 83,312 |
| Capitals Starting With L | 0 | - | 4.81 | 88,007 |
| Capitals Starting With M | 0 | - | 4.93 | 107,685 |
| Capitals Starting With P | 0 | - | 4.88 | 78,133 |
| Capitals Starting With R | 0 | - | 4.87 | 81,770 |
| Capitals Starting With S | 0 | - | 4.90 | 85,710 |
| Capitals Starting With T | 0 | - | 4.85 | 76,114 |
| Capitals Starting With W | 0 | - | 4.87 | 91,255 |
| Capitals Starting With A | 0 | - | 4.97 | 127,806 |
| Capitals Starting With B | 0 | - | 4.89 | 118,385 |
| Capitals Starting With D | 0 | - | 4.93 | 96,356 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,037 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,878 |
| Olympic Host Countries | 0 | - | 4.98 | 200,623 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,762 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,110 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,974 |
| The Only European Country ... | 0 | - | 4.91 | 216,435 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,095 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,011 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,633 |
| Countries of Africa | 0 | - | 5.00 | 2,534,607 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,976 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,701 |
| Australia A-Z | 0 | - | 4.54 | 49,963 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,587 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,537 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,573 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,367 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,831 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,092 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,265 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,857 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,899 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,207 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,155 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,683 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,222 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,515 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,185 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,542 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,585 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,909 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,906 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,007 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,830 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,758 |
| Former Capitals | 0 | - | 4.88 | 71,429 |
| Capital Cities Chain | 0 | - | 4.83 | 82,672 |
| Coldest World Capitals | 0 | - | 4.95 | 133,529 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,502 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,735 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,828 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,960 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,742 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,055 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,516 |
| Countries of the Middle East | 0 | - | 4.96 | 201,028 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,197 |
| Slavic Countries | 0 | - | 4.96 | 111,603 |
| African Island Countries | 0 | - | 4.96 | 101,564 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,855 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,092 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,041 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,901 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,892 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,044 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,336 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,806 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,434 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,402 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,046 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,878 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,602 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,673 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,583 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,181 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,140 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,528 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,169 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,101 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,942 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,210 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,292 |
