| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,043 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,566 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,986 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,339 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,470 |
| Random European Capital to Country | 0 | - | 4.98 | 190,474 |
| Random European Country to Capital | 0 | - | 4.93 | 163,919 |
| 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 | 5,058,178 |
| Europe Capital to Country | 0 | - | 4.99 | 249,333 |
| Asia Capital to Country | 0 | - | 4.96 | 126,354 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,428 |
| European Capitals by Map | 0 | - | 4.99 | 138,270 |
| African Capitals by Map | 0 | - | 4.99 | 133,090 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,926 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,774 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,142 |
| 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 | 268,794 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,289 |
| 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 | 107,164 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,011 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,028 |
| 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 | 93,829 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,884 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,623 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,026 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,986 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,108 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,055 |
| Capitals of the Stans | 0 | - | 4.95 | 26,683 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,094 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,896 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,843 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,906 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,515 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 81,001 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,913 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,369 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,684 |
| Countries with Megacities | 0 | - | 4.99 | 249,789 |
| 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 | 136,854 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,773 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,705 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,809 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,172 |
| 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 | 156,423 |
| Countries by Capital City | 0 | - | 5.00 | 67,753 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,880 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,376 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,310 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,873 |
| Moved Capital Cities | 0 | - | 4.96 | 73,978 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,319 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,643 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,101 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,413 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,430 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,181 |
| 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 | 93,249 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,811 |
| North American Sports Cities | 0 | - | 4.83 | 171,626 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,114 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,169 |
| Name a City - European Countries | 0 | - | 4.91 | 65,086 |
| Cities by Former Name | 0 | - | 4.84 | 91,360 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,283 |
| 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 | 68,755 |
| World Capitals by Map | 0 | - | 5.00 | 285,275 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,083 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,469 |
| 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 | 916,882 |
| Capitals Starting With H | 0 | - | 4.90 | 91,866 |
| Capitals Starting With K | 0 | - | 4.85 | 76,045 |
| Capitals Starting With L | 0 | - | 4.81 | 87,275 |
| Capitals Starting With M | 0 | - | 4.93 | 106,786 |
| Capitals Starting With P | 0 | - | 4.88 | 77,556 |
| Capitals Starting With R | 0 | - | 4.87 | 81,321 |
| Capitals Starting With S | 0 | - | 4.89 | 85,189 |
| Capitals Starting With T | 0 | - | 4.84 | 75,662 |
| Capitals Starting With W | 0 | - | 4.87 | 90,940 |
| Capitals Starting With A | 0 | - | 4.97 | 127,106 |
| Capitals Starting With B | 0 | - | 4.89 | 117,767 |
| Capitals Starting With D | 0 | - | 4.93 | 95,833 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,961 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,039 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,318 |
| Olympic Host Countries | 0 | - | 4.98 | 199,943 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,472 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,631 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,218 |
| The Only European Country ... | 0 | - | 4.91 | 215,699 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,513 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,595 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,534 |
| Countries of Africa | 0 | - | 5.00 | 2,526,929 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,358 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,804 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,234 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,440 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,071 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,587 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,883 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,062 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,756 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,515 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,557 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,016 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,007 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,035 |
| 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 | 96,998 |
| 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 | 72,771 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,101 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,473 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,287 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,691 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,275 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,707 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,519 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,628 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,880 |
| Former Capitals | 0 | - | 4.88 | 71,343 |
| Capital Cities Chain | 0 | - | 4.84 | 82,387 |
| Coldest World Capitals | 0 | - | 4.95 | 133,390 |
| 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 | 1,325,097 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,886 |
| Countries of the Middle East | 0 | - | 4.96 | 200,551 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,889 |
| 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 | 68,626 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.85 | 46,154 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,678 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,787 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,366 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,524 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,496 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,323 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,414 |
| 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 | 150,863 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,061 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,882 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,875 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,738 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,975 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,174 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,273 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,793 |
| 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 | 158,953 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,503 |
| Official Cities in the UK | 0 | - | 4.89 | 282,698 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,547 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,816 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,383 |
| 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 | 58,257 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,237 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,863 |
| The Only Country ... | 0 | - | 4.91 | 80,650 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,650 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,956 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,854 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,852 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,373 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,020 |
| Monarchies of Europe | 0 | - | 4.90 | 97,851 |
| Monarchies of Asia | 0 | - | 4.97 | 70,915 |
