| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 207,275 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,091 |
| Africa Capitals Quiz | 0 | - | 4.99 | 635,670 |
| Asia Capitals Quiz | 0 | - | 4.98 | 595,175 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,758 |
| Random European Capital to Country | 0 | - | 4.97 | 152,971 |
| Random European Country to Capital | 0 | - | 4.92 | 135,158 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,745 |
| Random Asian Capital to Country | 0 | - | 4.97 | 89,311 |
| Random African Capital to Country | 0 | - | 4.97 | 79,663 |
| Random African Country to Capital | 0 | - | 4.94 | 61,942 |
| World Capitals Quiz | 0 | - | 5.00 | 4,504,530 |
| Europe Capital to Country | 0 | - | 4.99 | 220,239 |
| Asia Capital to Country | 0 | - | 4.96 | 105,795 |
| EU Capitals with No Hints | 0 | - | 4.96 | 124,834 |
| European Capitals by Map | 0 | - | 4.99 | 93,894 |
| African Capitals by Map | 0 | - | 4.99 | 110,893 |
| Asian Capitals by Map | 0 | - | 4.98 | 47,227 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 79,046 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 72,197 |
| European Coastal Capitals | 0 | - | 4.95 | 77,282 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 46,634 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 228,630 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 194,068 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,129 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,283 |
| South America Capitals Quiz | 0 | - | 5.00 | 420,167 |
| North America Capitals Quiz | 0 | - | 4.99 | 186,296 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 52,290 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,337 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 105,403 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,029 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 66,967 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 51,348 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,023 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,492 |
| Countries with Megacities | 0 | - | 4.99 | 197,782 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 172,004 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,225 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,834 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,191 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,510 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,545 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,710 |
| Northernmost Capital Cities | 0 | - | 4.98 | 94,134 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,798 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,455 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,964 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,709 |
| Countries by Capital City | 0 | - | 4.99 | 49,565 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,004 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,168 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,069 |
| Moved Capital Cities | 0 | - | 4.94 | 52,336 |
| Name a Valid European Capital | 0 | - | 4.94 | 123,699 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 61,754 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,926 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,313,057 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,951 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 116,234 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,511 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,246 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,309 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,199 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 100,190 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,131 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,166 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,398 |
| Cities by Former Name | 0 | - | 4.86 | 71,483 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,575 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,495 |
| World Capitals by Proximity | 0 | - | 4.88 | 299,736 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,883 |
| World Capitals by Map | 0 | - | 5.00 | 242,293 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,363 |
| Random Capital to Country | 0 | - | 4.99 | 2,364,117 |
| Random Country to Capital | 0 | - | 4.98 | 803,794 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,289 |
| World Capitals By Letter - K | 0 | - | 4.82 | 65,956 |
| World Capitals By Letter - M | 0 | - | 4.90 | 86,039 |
| World Capitals By Letter - P | 0 | - | 4.85 | 67,122 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,332 |
| World Capitals By Letter - S | 0 | - | 4.89 | 74,585 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,485 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,274 |
| World Capitals By Letter - A | 0 | - | 4.96 | 104,736 |
| World Capitals By Letter - B | 0 | - | 4.84 | 96,957 |
| World Capitals By Letter - D | 0 | - | 4.91 | 79,109 |
| Countries That Use the Euro | 0 | - | 4.92 | 63,370 |
| Olympic Host Countries | 0 | - | 4.98 | 162,030 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,614 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 233,990 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,191 |
| The Only European Country ... | 0 | - | 4.94 | 178,981 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,541 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 86,686 |
| Countries of Africa | 0 | - | 5.00 | 2,172,897 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,154 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,178 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 45,097 |
| Random European Capitals on a Map | 0 | - | 4.97 | 107,025 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,877 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,115 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,372 |
| Most Populous Countries by Year | 0 | - | 4.81 | 93,924 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,820 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,810 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,535 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,667 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,445 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,736 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,535 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,722 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,699 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,231 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,733 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,012 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,067 |
| Biggest City by Body of Water | 0 | - | 4.52 | 38,912 |
| Global Cities Quiz | 0 | - | 4.64 | 157,094 |
| Southernmost Major Cities | 0 | - | 4.42 | 45,285 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.46 | 68,507 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,334 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.41 | 35,020 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,834 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 80,356 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 193,622 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 56,731 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 118,638 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 104,637 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,054 |
| Capital Cities Chain | 0 | - | 4.86 | 71,507 |
| Coldest World Capitals | 0 | - | 4.96 | 128,088 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,028 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 78,827 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 126,018 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,187,545 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,598 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 186,807 |
| Countries of the Middle East | 0 | - | 4.96 | 173,928 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,917 |
| Slavic Countries | 0 | - | 4.96 | 100,694 |
| African Island Countries | 0 | - | 4.96 | 89,469 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,399 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.92 | 49,799 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,896 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 145,385 |
| Countries of North America Quiz | 0 | - | 5.00 | 881,651 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 111,158 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,750 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 119,544 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 127,087 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,883 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,694 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,781 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,116 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 132,387 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,544 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,802 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 131,004 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,824 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,693 |
| Random State Capital to U.S. State | 0 | - | 4.86 | 74,834 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,463 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,646 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 161,167 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,647 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,005 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,594 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 88,150 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 146,390 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,750 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 6,186 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,240 |
| Lonely Planet Top 200 Cities | 0 | - | 4.65 | 209,949 |
| Ancient City to Country | 0 | - | 4.76 | 100,986 |
| Official Cities in the UK | 0 | - | 4.86 | 232,639 |
| City-States | 0 | - | 4.53 | 34,817 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 49,971 |
| Most Guessed Cities by Country #3 | 0 | - | 4.87 | 19,911 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 39,955 |
| City Where It Happened #2 | 0 | - | 4.43 | 50,171 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 53,414 |
| Capitals A-Z | 0 | - | 4.84 | 41,833 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.44 | 49,228 |
| Capitals by First and Last Letter | 0 | - | 4.42 | 63,907 |
| Capitals Based on Last Two Letters | 0 | - | 4.47 | 55,512 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,311 |
| Asian Coastal Capitals | 0 | - | 4.54 | 20,255 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.90 | 89,726 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 47,646 |
| Word Scramble - European Capitals | 0 | - | 4.79 | 87,313 |
| Top Five Capitals By Category #1 | 0 | - | 4.58 | 53,249 |
| Top Five Capitals By Category #2 | 0 | - | 4.52 | 45,597 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 72,669 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 88,431 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 13,712 |
| Flags to Capitals #1 | 0 | - | 4.97 | 49,105 |
| Flags to Capitals #2 | 0 | - | 4.95 | 36,825 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 85,119 |
