| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,052 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,519 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,867 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,250 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,460 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,633 |
| Random European Capital to Country | 0 | - | 4.98 | 190,815 |
| Random European Country to Capital | 0 | - | 4.93 | 165,040 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,388 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,719 |
| Random African Capital to Country | 0 | - | 4.97 | 100,674 |
| Random African Country to Capital | 0 | - | 4.94 | 71,177 |
| World Capitals Quiz | 0 | - | 5.00 | 5,070,965 |
| Europe Capital to Country | 0 | - | 4.99 | 249,963 |
| Asia Capital to Country | 0 | - | 4.96 | 126,620 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,805 |
| European Capitals by Map | 0 | - | 4.99 | 139,027 |
| African Capitals by Map | 0 | - | 4.99 | 133,712 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,309 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,025 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,377 |
| European Coastal Capitals | 0 | - | 4.95 | 90,551 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,567 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,778 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,873 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,810 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,591 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,158 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,595 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,426 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,998 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,203 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,803 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,155 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,315 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,265 |
| Capitals of the Stans | 0 | - | 4.95 | 26,829 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,936 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,440 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,065 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,319 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,131 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,045 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,058 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,172 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,354 |
| Countries with Megacities | 0 | - | 4.99 | 262,919 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,191 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,171 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,492 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,214 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,059 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,182 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,360 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,441 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,166 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,901 |
| Countries by Capital City | 0 | - | 5.00 | 68,189 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,128 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,610 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,234 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,140 |
| Moved Capital Cities | 0 | - | 4.96 | 74,161 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,538 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,267 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,414 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,499 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,704 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,562 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,675 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,682 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,840 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,364 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,501 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,045 |
| North American Sports Cities | 0 | - | 4.83 | 172,332 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,306 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,357 |
| Name a City - European Countries | 0 | - | 4.90 | 65,335 |
| Cities by Former Name | 0 | - | 4.83 | 91,538 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,374 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,636 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,989 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,129 |
| World Capitals by Map | 0 | - | 5.00 | 286,197 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,261 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,426 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,727 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,969 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,657 |
| Random Country to Capital | 0 | - | 4.98 | 919,966 |
| Capitals Starting With H | 0 | - | 4.91 | 92,503 |
| Capitals Starting With K | 0 | - | 4.88 | 83,366 |
| Capitals Starting With L | 0 | - | 4.81 | 88,025 |
| Capitals Starting With M | 0 | - | 4.93 | 107,712 |
| Capitals Starting With P | 0 | - | 4.88 | 78,147 |
| Capitals Starting With R | 0 | - | 4.87 | 81,783 |
| Capitals Starting With S | 0 | - | 4.90 | 85,732 |
| Capitals Starting With T | 0 | - | 4.85 | 76,128 |
| Capitals Starting With W | 0 | - | 4.87 | 91,271 |
| Capitals Starting With A | 0 | - | 4.97 | 127,834 |
| Capitals Starting With B | 0 | - | 4.89 | 118,413 |
| Capitals Starting With D | 0 | - | 4.93 | 96,378 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,118 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,122 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,922 |
| Olympic Host Countries | 0 | - | 4.98 | 200,659 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,785 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,156 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,174 |
| The Only European Country ... | 0 | - | 4.91 | 216,492 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,154 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,050 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,637 |
| Countries of Africa | 0 | - | 5.00 | 2,535,339 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,099 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,648 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,563 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,583 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,392 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,848 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,105 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,280 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,878 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,464 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,314 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,885 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,919 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,226 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,171 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,711 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,233 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,522 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,201 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,239 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,374 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,852 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,136 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,544 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,606 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,923 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,934 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,038 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,839 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,772 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,141 |
| Former Capitals | 0 | - | 4.88 | 71,436 |
| Capital Cities Chain | 0 | - | 4.83 | 82,696 |
| Coldest World Capitals | 0 | - | 4.95 | 133,535 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,521 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,742 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,854 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,979 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,234 |
| Countries of the Middle East | 0 | - | 4.96 | 201,071 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,219 |
| Slavic Countries | 0 | - | 4.96 | 111,615 |
| African Island Countries | 0 | - | 4.96 | 101,586 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,865 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,099 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,938 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,909 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,067 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,605 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,838 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,465 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,441 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,078 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,904 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,620 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,691 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,588 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,195 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,162 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,545 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,187 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,118 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,954 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,229 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,703 |
| Flags to Languages | 0 | - | 4.95 | 173,600 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 720,343 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,788 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,767 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,254 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,784 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,411 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,215 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,703 |
| Official Cities in the UK | 0 | - | 4.89 | 283,555 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,744 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,509 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,649 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,348 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,141 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,403 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,363 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,045 |
| The Only Country ... | 0 | - | 4.91 | 80,981 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,863 |
