| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,508 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,802 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,543 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,301 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,074 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,010 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,953 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,098 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,067 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,796 |
| Name a Valid African Country | 0 | - | 4.98 | 153,803 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,382 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,557 |
| Random European Capital to Country | 0 | - | 4.98 | 190,652 |
| Random European Country to Capital | 0 | - | 4.93 | 164,676 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,278 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,609 |
| Random African Capital to Country | 0 | - | 4.97 | 100,501 |
| Random African Country to Capital | 0 | - | 4.94 | 71,099 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,811 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,629 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,299 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,749 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,021 |
| Countries with Megacities | 0 | - | 4.99 | 260,027 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,897 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,994 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,173 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,005 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,867 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,973 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,248 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,283 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,978 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,650 |
| Countries by Capital City | 0 | - | 5.00 | 67,937 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,976 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,472 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,672 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,980 |
| Moved Capital Cities | 0 | - | 4.96 | 74,067 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,650 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,914 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,486 |
| Which City in Europe? | 0 | - | 4.83 | 107,183 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,978 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,522 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,567 |
| Countries that Beat China | 0 | - | 4.86 | 115,515 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,479 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,795 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,701 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,302 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,737 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,556 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,433 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,686 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,273 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,372 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,932 |
| Resort Towns by Country | 0 | - | 4.30 | 39,998 |
| North American Sports Cities | 0 | - | 4.83 | 171,766 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,257 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,256 |
| Name a City - European Countries | 0 | - | 4.90 | 65,208 |
| Cities by Former Name | 0 | - | 4.83 | 91,434 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,989 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,148 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,332 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,581 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,914 |
| World Capitals by Map | 0 | - | 5.00 | 285,656 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,169 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,221 |
| Random Country to Capital | 0 | - | 4.98 | 918,495 |
| Capitals Starting With H | 0 | - | 4.91 | 92,206 |
| Capitals Starting With K | 0 | - | 4.87 | 81,571 |
| Capitals Starting With L | 0 | - | 4.81 | 87,699 |
| Capitals Starting With M | 0 | - | 4.93 | 107,290 |
| Capitals Starting With P | 0 | - | 4.88 | 77,882 |
| Capitals Starting With R | 0 | - | 4.87 | 81,544 |
| Capitals Starting With S | 0 | - | 4.90 | 85,481 |
| Capitals Starting With T | 0 | - | 4.85 | 75,913 |
| Capitals Starting With W | 0 | - | 4.87 | 91,101 |
| Capitals Starting With A | 0 | - | 4.97 | 127,508 |
| Capitals Starting With B | 0 | - | 4.89 | 118,127 |
| Capitals Starting With D | 0 | - | 4.93 | 96,123 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,583 |
| Olympic Host Countries | 0 | - | 4.98 | 200,399 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,633 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,865 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,113 |
| The Only European Country ... | 0 | - | 4.91 | 216,041 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,799 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,797 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,587 |
| Countries of Africa | 0 | - | 5.00 | 2,530,676 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,622 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,851 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,114 |
| Which City in Canada? | 0 | - | 4.82 | 56,946 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,762 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,201 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,398 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,502 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,230 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,716 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,981 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,172 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,827 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,751 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,112 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,088 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,478 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,158 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,441 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,086 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,514 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,429 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,793 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,626 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,837 |
| Random European City to Country | 0 | - | 4.69 | 117,471 |
| Random Asian City to Country | 0 | - | 4.56 | 44,460 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,705 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,701 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,975 |
| Former Capitals | 0 | - | 4.88 | 71,382 |
| Europe Capital to Country | 0 | - | 4.99 | 249,606 |
| Asia Capital to Country | 0 | - | 4.96 | 126,487 |
| Capital Cities Chain | 0 | - | 4.83 | 82,507 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,608 |
| European Capitals by Map | 0 | - | 4.99 | 138,625 |
| African Capitals by Map | 0 | - | 4.99 | 133,395 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,495 |
| Coldest World Capitals | 0 | - | 4.95 | 133,468 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,091 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,896 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,250 |
| European Coastal Capitals | 0 | - | 4.95 | 90,397 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,507 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,209 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,585 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,749 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,403 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,697 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,210 |
| Countries of the Middle East | 0 | - | 4.96 | 200,781 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,030 |
| Slavic Countries | 0 | - | 4.96 | 111,503 |
| African Island Countries | 0 | - | 4.96 | 101,446 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,797 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,826 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,550 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,789 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,917 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,677 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,296 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,206 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,061 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,045 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,334 |
| Countries that Start with D | 0 | - | 4.96 | 707,713 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,930 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,594 |
| Countries that Start with H | 0 | - | 4.96 | 603,161 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,238 |
| Countries that Start with J | 0 | - | 4.98 | 600,999 |
| Countries that Start with K | 0 | - | 4.97 | 814,217 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,972 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,911 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,427 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,494 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,542 |
| Countries that Start with U | 0 | - | 4.97 | 903,415 |
| Countries that Start with V | 0 | - | 4.98 | 608,456 |
| Countries that Start with F | 0 | - | 4.83 | 616,351 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,712 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,888 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,690 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,445 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,552 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,517 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,099 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,994 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,405 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,028 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,988 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,828 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,101 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,465 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,533 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,043 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,653 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,351 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,052 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,694 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,317 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,593 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
