| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,533 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,904 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,569 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,305 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,077 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,026 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,973 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,103 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,080 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,801 |
| Name a Valid African Country | 0 | - | 4.98 | 153,806 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,385 |
| 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 | 164,687 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,279 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,610 |
| Random African Capital to Country | 0 | - | 4.97 | 100,503 |
| Random African Country to Capital | 0 | - | 4.94 | 71,101 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,814 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,630 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,322 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,758 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,031 |
| Countries with Megacities | 0 | - | 4.99 | 260,149 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,906 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,999 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,179 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,008 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,872 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,974 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,249 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,284 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,981 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,652 |
| Countries by Capital City | 0 | - | 5.00 | 67,941 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,978 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,473 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,684 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,981 |
| 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 | 50,915 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,489 |
| Which City in Europe? | 0 | - | 4.83 | 107,185 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,986 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,524 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,568 |
| Countries that Beat China | 0 | - | 4.86 | 115,516 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,480 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,797 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,703 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,302 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,739 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,559 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,437 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,687 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,277 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,375 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,934 |
| Resort Towns by Country | 0 | - | 4.30 | 39,998 |
| North American Sports Cities | 0 | - | 4.83 | 171,769 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,257 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,258 |
| Name a City - European Countries | 0 | - | 4.90 | 65,213 |
| Cities by Former Name | 0 | - | 4.83 | 91,434 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,000 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,163 |
| 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 | 68,917 |
| World Capitals by Map | 0 | - | 5.00 | 285,658 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,169 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,243 |
| Random Country to Capital | 0 | - | 4.98 | 918,508 |
| Capitals Starting With H | 0 | - | 4.91 | 92,213 |
| Capitals Starting With K | 0 | - | 4.87 | 81,662 |
| Capitals Starting With L | 0 | - | 4.81 | 87,711 |
| Capitals Starting With M | 0 | - | 4.93 | 107,303 |
| Capitals Starting With P | 0 | - | 4.88 | 77,892 |
| Capitals Starting With R | 0 | - | 4.87 | 81,554 |
| Capitals Starting With S | 0 | - | 4.90 | 85,490 |
| Capitals Starting With T | 0 | - | 4.85 | 75,921 |
| Capitals Starting With W | 0 | - | 4.87 | 91,109 |
| Capitals Starting With A | 0 | - | 4.97 | 127,516 |
| Capitals Starting With B | 0 | - | 4.89 | 118,133 |
| Capitals Starting With D | 0 | - | 4.93 | 96,131 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,585 |
| Olympic Host Countries | 0 | - | 4.98 | 200,403 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,637 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,872 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,129 |
| The Only European Country ... | 0 | - | 4.91 | 216,044 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,803 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,798 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,587 |
| Countries of Africa | 0 | - | 5.00 | 2,530,755 |
| 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 | 94,116 |
| Which City in Canada? | 0 | - | 4.82 | 56,946 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,782 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,206 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,402 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,506 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,234 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,722 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,982 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,174 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,828 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,759 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,114 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,089 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,487 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,161 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,444 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,088 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,514 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,434 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,795 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,631 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,839 |
| Random European City to Country | 0 | - | 4.69 | 117,472 |
| Random Asian City to Country | 0 | - | 4.56 | 44,460 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,709 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,702 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,981 |
| Former Capitals | 0 | - | 4.88 | 71,382 |
| Europe Capital to Country | 0 | - | 4.99 | 249,614 |
| Asia Capital to Country | 0 | - | 4.96 | 126,488 |
| Capital Cities Chain | 0 | - | 4.83 | 82,510 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,611 |
| European Capitals by Map | 0 | - | 4.99 | 138,628 |
| African Capitals by Map | 0 | - | 4.99 | 133,395 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,505 |
| Coldest World Capitals | 0 | - | 4.95 | 133,468 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,092 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,897 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,251 |
| European Coastal Capitals | 0 | - | 4.95 | 90,398 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,509 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,247 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,590 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,750 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,405 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,700 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,212 |
| Countries of the Middle East | 0 | - | 4.96 | 200,783 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,031 |
| Slavic Countries | 0 | - | 4.96 | 111,508 |
| African Island Countries | 0 | - | 4.96 | 101,450 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,798 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,828 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,561 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,793 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,919 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,681 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,301 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,209 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,100 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,081 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,360 |
| Countries that Start with D | 0 | - | 4.96 | 707,731 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,953 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,622 |
| Countries that Start with H | 0 | - | 4.96 | 603,176 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,260 |
| Countries that Start with J | 0 | - | 4.98 | 601,017 |
| Countries that Start with K | 0 | - | 4.97 | 814,248 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,989 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,940 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,443 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,518 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,550 |
| Countries that Start with U | 0 | - | 4.97 | 903,419 |
| Countries that Start with V | 0 | - | 4.98 | 608,469 |
| Countries that Start with F | 0 | - | 4.83 | 616,364 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,733 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,893 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,695 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,450 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,553 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,518 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,101 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,996 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,408 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,030 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,989 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,831 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,103 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,469 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,534 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,047 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,655 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,353 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,053 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,702 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,319 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,596 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
