| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,043 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,564 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,973 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,336 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,470 |
| Random European Capital to Country | 0 | - | 4.98 | 190,469 |
| Random European Country to Capital | 0 | - | 4.93 | 163,910 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,027 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,155 |
| Random African Capital to Country | 0 | - | 4.97 | 100,354 |
| Random African Country to Capital | 0 | - | 4.94 | 70,954 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,120 |
| Europe Capital to Country | 0 | - | 4.99 | 249,332 |
| Asia Capital to Country | 0 | - | 4.96 | 126,354 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,426 |
| European Capitals by Map | 0 | - | 4.99 | 138,265 |
| African Capitals by Map | 0 | - | 4.99 | 133,089 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,924 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,773 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,141 |
| European Coastal Capitals | 0 | - | 4.95 | 90,282 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,432 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,793 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,286 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,681 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,538 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,163 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,009 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,021 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,764 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,158 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,828 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,884 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,622 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,025 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,983 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,108 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,052 |
| Capitals of the Stans | 0 | - | 4.95 | 26,682 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,085 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,881 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,842 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,905 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,514 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,999 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,905 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,367 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,681 |
| Countries with Megacities | 0 | - | 4.99 | 249,783 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,518 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,787 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,850 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,773 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,699 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,806 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,170 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,196 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,820 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,422 |
| Countries by Capital City | 0 | - | 5.00 | 67,749 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,880 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,375 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,307 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,871 |
| Moved Capital Cities | 0 | - | 4.96 | 73,975 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,318 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,641 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,101 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,411 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,429 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,179 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,542 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,192 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,246 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,809 |
| North American Sports Cities | 0 | - | 4.83 | 171,625 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,114 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,168 |
| Name a City - European Countries | 0 | - | 4.91 | 65,085 |
| Cities by Former Name | 0 | - | 4.84 | 91,358 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,281 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,523 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,937 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,754 |
| World Capitals by Map | 0 | - | 5.00 | 285,273 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,083 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,458 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,584 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,864 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,386 |
| Random Country to Capital | 0 | - | 4.98 | 916,880 |
| Capitals Starting With H | 0 | - | 4.90 | 91,864 |
| Capitals Starting With K | 0 | - | 4.85 | 76,044 |
| Capitals Starting With L | 0 | - | 4.81 | 87,273 |
| Capitals Starting With M | 0 | - | 4.93 | 106,784 |
| Capitals Starting With P | 0 | - | 4.88 | 77,555 |
| Capitals Starting With R | 0 | - | 4.87 | 81,320 |
| Capitals Starting With S | 0 | - | 4.89 | 85,188 |
| Capitals Starting With T | 0 | - | 4.84 | 75,659 |
| Capitals Starting With W | 0 | - | 4.87 | 90,939 |
| Capitals Starting With A | 0 | - | 4.97 | 127,106 |
| Capitals Starting With B | 0 | - | 4.89 | 117,766 |
| Capitals Starting With D | 0 | - | 4.93 | 95,832 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,960 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,038 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,318 |
| Olympic Host Countries | 0 | - | 4.98 | 199,940 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,469 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,628 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,212 |
| The Only European Country ... | 0 | - | 4.91 | 215,691 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,510 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,591 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,534 |
| Countries of Africa | 0 | - | 5.00 | 2,526,888 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,358 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,802 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,229 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,439 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,069 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,585 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,882 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,062 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,753 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,515 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,545 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,014 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,007 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,028 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,104 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,371 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,997 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,216 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,222 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,770 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,101 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,471 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,286 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,690 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,272 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,704 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,513 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,627 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,878 |
| Former Capitals | 0 | - | 4.88 | 71,343 |
| Capital Cities Chain | 0 | - | 4.84 | 82,385 |
| Coldest World Capitals | 0 | - | 4.95 | 133,388 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,298 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,562 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,760 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,092 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,884 |
| Countries of the Middle East | 0 | - | 4.96 | 200,551 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,887 |
| Slavic Countries | 0 | - | 4.96 | 111,398 |
| African Island Countries | 0 | - | 4.96 | 101,321 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,756 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,624 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.85 | 46,151 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,677 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,786 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,362 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,523 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,491 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,322 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,413 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,477 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,699 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,862 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,058 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,881 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,873 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,737 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,974 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,173 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,272 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,790 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,513 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,112 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,952 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,499 |
| Official Cities in the UK | 0 | - | 4.89 | 282,694 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,545 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,816 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,380 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,559 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,071 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,010 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,256 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,237 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,862 |
| The Only Country ... | 0 | - | 4.91 | 80,649 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,649 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,955 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,853 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,852 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,372 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,020 |
| Monarchies of Europe | 0 | - | 4.90 | 97,850 |
| Monarchies of Asia | 0 | - | 4.97 | 70,915 |
