| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,730 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,673 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,638 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,161 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,260 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,240 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,938 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,184 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,400 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,124 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,711 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,045 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,372 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,954 |
| Name a Valid African Country | 0 | - | 4.98 | 152,836 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,061 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,780 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,248 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,900 |
| Countries with Megacities | 0 | - | 4.99 | 246,289 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,826 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,752 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,280 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,691 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,614 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,832 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,579 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,533 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,495 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,254 |
| Countries by Capital City | 0 | - | 5.00 | 66,487 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,239 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,822 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,028 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,354 |
| Moved Capital Cities | 0 | - | 4.96 | 73,528 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,426 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,208 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,963 |
| Random European Capital to Country | 0 | - | 4.98 | 189,083 |
| Random European Country to Capital | 0 | - | 4.92 | 147,353 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,298 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,336 |
| Random African Capital to Country | 0 | - | 4.97 | 99,678 |
| Random African Country to Capital | 0 | - | 4.94 | 70,161 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,878 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,323 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,742 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,887 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,666 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,023 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,741 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,735 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,777 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,410 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,507 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,170 |
| North American Sports Cities | 0 | - | 4.83 | 170,780 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,888 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,647 |
| Name a City - European Countries | 0 | - | 4.92 | 64,284 |
| Cities by Former Name | 0 | - | 4.84 | 90,885 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,525 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,987 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,644 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,196 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,806 |
| World Capitals by Map | 0 | - | 5.00 | 282,894 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,608 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,564 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,583 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,754 |
| Random Country to Capital | 0 | - | 4.98 | 910,702 |
| Capitals Starting With H | 0 | - | 4.90 | 89,638 |
| Capitals Starting With K | 0 | - | 4.85 | 75,547 |
| Capitals Starting With M | 0 | - | 4.93 | 105,845 |
| Capitals Starting With P | 0 | - | 4.88 | 77,049 |
| Capitals Starting With R | 0 | - | 4.87 | 80,847 |
| Capitals Starting With S | 0 | - | 4.89 | 84,662 |
| Capitals Starting With T | 0 | - | 4.84 | 75,174 |
| Capitals Starting With W | 0 | - | 4.89 | 90,495 |
| Capitals Starting With A | 0 | - | 4.97 | 126,356 |
| Capitals Starting With B | 0 | - | 4.89 | 117,115 |
| Capitals Starting With D | 0 | - | 4.93 | 95,205 |
| Which City in Europe? | 0 | - | 4.83 | 106,562 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,769 |
| Olympic Host Countries | 0 | - | 4.98 | 198,779 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,742 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,366 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,895 |
| The Only European Country ... | 0 | - | 4.91 | 213,551 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,881 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,353 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,161 |
| Beers by Country | 0 | - | 4.45 | 95,575 |
| Countries of Africa | 0 | - | 5.00 | 2,505,085 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,258 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,410 |
| Countries that Beat China | 0 | - | 4.86 | 114,624 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,798 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,406 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,125 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,798 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,271 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,768 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,083 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,187 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,779 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,308 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,483 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,235 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,334 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,183 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,193 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,531 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,496 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,733 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,125 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,136 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,065 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,545 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,011 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,268 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,257 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,104 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,918 |
| Random European City to Country | 0 | - | 4.69 | 116,235 |
| Random Asian City to Country | 0 | - | 4.56 | 44,379 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,529 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,276 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,991 |
| Former Capitals | 0 | - | 4.88 | 71,093 |
| Europe Capital to Country | 0 | - | 4.99 | 247,329 |
| Asia Capital to Country | 0 | - | 4.96 | 125,641 |
| Capital Cities Chain | 0 | - | 4.84 | 81,827 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,324 |
| European Capitals by Map | 0 | - | 4.99 | 135,992 |
| African Capitals by Map | 0 | - | 4.99 | 132,071 |
| Coldest World Capitals | 0 | - | 4.95 | 132,991 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,986 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,083 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,537 |
| European Coastal Capitals | 0 | - | 4.95 | 89,668 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,453 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,576 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,707 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,714 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,897 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,112 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,278 |
| Which City in Canada? | 0 | - | 4.82 | 56,617 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,083 |
| Countries of the Middle East | 0 | - | 4.96 | 198,737 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,174 |
| Slavic Countries | 0 | - | 4.96 | 110,782 |
| African Island Countries | 0 | - | 4.96 | 100,679 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,463 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,201 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,848 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,024 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,981 |
| NBA Player to Country | 0 | - | 4.29 | 83,335 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,648 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,601 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,379 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,948 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,687 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,505 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,607 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,682 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,119 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,092 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,210 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,482 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,171 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,326 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,144 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,442 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,748 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,841 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,712 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,915 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,285 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,071 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,489 |
| Official Cities in the UK | 0 | - | 4.89 | 280,232 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,054 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,046 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,894 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,585 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,564 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,345 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,035 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,087 |
