| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,420 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,571 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,195 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,707 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,149 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,537 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,966 |
| Asia Capital to Country | 0 | - | 4.96 | 126,405 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,991 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,478 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,322 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,948 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,666 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,046 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,838 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,512 |
| Random European Capital to Country | 0 | - | 4.98 | 190,553 |
| Random European Country to Capital | 0 | - | 4.93 | 164,342 |
| Random African Capital to Country | 0 | - | 4.97 | 100,442 |
| Random African Country to Capital | 0 | - | 4.94 | 70,998 |
| North American Sports Cities | 0 | - | 4.83 | 171,714 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,207 |
| Name a City - European Countries | 0 | - | 4.90 | 65,136 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,443 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,950 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,884 |
| Olympic Host Countries | 0 | - | 4.98 | 200,240 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,696 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,344 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,460 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,761 |
| Europe Capital to Country | 0 | - | 4.99 | 249,453 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,505 |
| European Capitals by Map | 0 | - | 4.99 | 138,423 |
| African Capitals by Map | 0 | - | 4.99 | 133,209 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,831 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,192 |
| European Coastal Capitals | 0 | - | 4.95 | 90,332 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,995 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,443 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,713 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,299 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,766 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,555 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,855 |
| Official Cities in the UK | 0 | - | 4.89 | 282,869 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,251 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,935 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,211 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,855 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,941 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,047 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,144 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,218 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,203 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,138 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,934 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,534 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,436 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,883 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,847 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,414 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,481 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,866 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,876 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,995 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,025 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,270 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,064 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 125,333 |
| Boundary Waters | 0 | - | 4.92 | 88,354 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,057 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,872 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,064 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,903 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,928 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,585 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,165 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,430 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,708 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,297,265 |
| Landlocked Countries | 0 | - | 4.99 | 418,342 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,742 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,748 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,262 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,249 |
| Vietnam War Countries | 0 | - | 4.83 | 94,036 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,265 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,954 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,533 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,956 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,524 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,123 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,285 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,473 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,477 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,575 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,586 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,816 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,277 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,673 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,908 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,450 |
| Cities in European History #1 | 0 | - | 4.63 | 133,756 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,299 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,689 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,861 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,710 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,099 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,145 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,610 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,630 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,707 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,617 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,438 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,997 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,553 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,054 |
| Which City in Europe? | 0 | - | 4.83 | 107,130 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,686 |
| Himalayan Countries | 0 | - | 4.94 | 137,157 |
| Andean Countries | 0 | - | 4.95 | 83,788 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,040 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,430 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,718 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,264 |
| Danube Countries | 0 | - | 4.97 | 71,592 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,461 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,995 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,539 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,599 |
| European Landlocked Countries | 0 | - | 4.99 | 146,703 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,041 |
| Countries with the Most Species | 0 | - | 4.99 | 102,836 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,176 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,408 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,563 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,264 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,939 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,316 |
| Countries in the Alps | 0 | - | 4.87 | 117,600 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,076 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,268 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,373 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,922 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,028 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,403 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,209 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,138 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,934 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,685 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,502 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,382 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,447 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,305 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,883 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,882 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,153 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,169 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,062 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,020 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,541 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,438 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,090 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,092 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,951 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,062 |
| Largest Countries By Category | 0 | - | 4.97 | 157,546 |
| Countries by Countries | 0 | - | 4.96 | 62,785 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,131 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,145 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,458 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,422 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,275 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,534 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,098 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,073 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,067 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,945 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,985 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,532 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,476 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,905 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 251,527 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,319 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,715 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,339 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,185 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,379 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,956 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,033 |
| Longest International Borders | 0 | - | 4.99 | 264,574 |
| Countries with Three Borders | 0 | - | 4.96 | 36,427 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,883 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,977 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,810 |
| Demonym of Every Country | 0 | - | 4.91 | 59,108 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,488 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,483 |
| American Cities by Stadium | 0 | - | 4.02 | 36,527 |
