| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,203 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,316 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,007 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,288 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,818 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,472 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,752 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,172 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,244 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,554 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,109 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,609 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,593 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,726 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,165 |
| Name a Valid African Country | 0 | - | 4.98 | 154,265 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,938 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,530 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,824 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,787 |
| Countries with Megacities | 0 | - | 4.99 | 264,326 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,646 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,414 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,909 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,480 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,376 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,460 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,510 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,626 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,422 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,230 |
| Countries by Capital City | 0 | - | 5.00 | 68,542 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,309 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,769 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,924 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,343 |
| Moved Capital Cities | 0 | - | 4.96 | 74,298 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,618 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,608 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,368 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,752 |
| Random European Capital to Country | 0 | - | 4.98 | 191,120 |
| Random European Country to Capital | 0 | - | 4.93 | 165,324 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,560 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,890 |
| Random African Capital to Country | 0 | - | 4.97 | 100,823 |
| Random African Country to Capital | 0 | - | 4.94 | 71,340 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,281 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,867 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,921 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,531 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,234 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,436 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,960 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,013 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,859 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,099 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,082 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,520 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,684 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,185 |
| North American Sports Cities | 0 | - | 4.83 | 172,571 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,374 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,500 |
| Name a City - European Countries | 0 | - | 4.90 | 65,546 |
| Cities by Former Name | 0 | - | 4.83 | 91,663 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,103 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,215 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,454 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,730 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,338 |
| World Capitals by Map | 0 | - | 5.00 | 287,223 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,423 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,637 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,906 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,056 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,874 |
| Random Country to Capital | 0 | - | 4.98 | 922,186 |
| Capitals Starting With H | 0 | - | 4.91 | 92,678 |
| Capitals Starting With K | 0 | - | 4.88 | 83,725 |
| Capitals Starting With L | 0 | - | 4.81 | 88,207 |
| Capitals Starting With M | 0 | - | 4.93 | 107,998 |
| Capitals Starting With P | 0 | - | 4.88 | 78,312 |
| Capitals Starting With R | 0 | - | 4.87 | 81,948 |
| Capitals Starting With S | 0 | - | 4.90 | 85,919 |
| Capitals Starting With T | 0 | - | 4.85 | 76,271 |
| Capitals Starting With W | 0 | - | 4.87 | 91,374 |
| Capitals Starting With A | 0 | - | 4.97 | 128,223 |
| Capitals Starting With B | 0 | - | 4.89 | 118,660 |
| Capitals Starting With D | 0 | - | 4.93 | 96,585 |
| Which City in Europe? | 0 | - | 4.83 | 107,515 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,402 |
| Olympic Host Countries | 0 | - | 4.98 | 201,024 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,018 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,558 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,383 |
| The Only European Country ... | 0 | - | 4.91 | 217,183 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,646 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,446 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,717 |
| Beers by Country | 0 | - | 4.45 | 97,374 |
| Countries of Africa | 0 | - | 5.00 | 2,542,497 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,635 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,726 |
| Countries that Beat China | 0 | - | 4.85 | 116,044 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,996 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,033 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,060 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,337 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,659 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,600 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,515 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,278 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,807 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,682 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,656 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,088 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,282 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,451 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,951 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,161 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,444 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,279 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,869 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,312 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,616 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,379 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,254 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,450 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,923 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,167 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,600 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,885 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,116 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,382 |
| Random European City to Country | 0 | - | 4.69 | 117,819 |
| Random Asian City to Country | 0 | - | 4.56 | 44,556 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,029 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,904 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,347 |
| Former Capitals | 0 | - | 4.88 | 71,505 |
| Europe Capital to Country | 0 | - | 4.99 | 250,709 |
| Asia Capital to Country | 0 | - | 4.96 | 126,790 |
| Capital Cities Chain | 0 | - | 4.83 | 82,886 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,108 |
| European Capitals by Map | 0 | - | 4.99 | 139,769 |
| African Capitals by Map | 0 | - | 4.99 | 134,075 |
| Coldest World Capitals | 0 | - | 4.95 | 133,629 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,583 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,235 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,569 |
| European Coastal Capitals | 0 | - | 4.95 | 90,748 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,647 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,572 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,386 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,894 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,707 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,891 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,052 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,180 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,376 |
| Which City in Canada? | 0 | - | 4.83 | 57,122 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,168 |
| Countries of the Middle East | 0 | - | 4.96 | 201,523 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,481 |
| Slavic Countries | 0 | - | 4.96 | 111,820 |
| African Island Countries | 0 | - | 4.96 | 101,797 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,938 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,513 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,309 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,124 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,281 |
| NBA Player to Country | 0 | - | 4.29 | 83,957 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,027 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,130 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,702 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,738 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,538 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,235 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,840 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,933 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,689 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,345 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,359 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,737 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,406 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,314 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,168 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,389 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,213 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,124 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,568 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,288 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,542 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,460 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,094 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,878 |
| Official Cities in the UK | 0 | - | 4.89 | 284,305 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,920 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,580 |
