| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,133 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,293 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,548 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,237 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,566 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,899 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,294 |
| Asia Capital to Country | 0 | - | 4.96 | 126,808 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,591 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,650 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,219 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,571 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,968 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,522 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,612 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,758 |
| Random European Capital to Country | 0 | - | 4.98 | 191,131 |
| Random European Country to Capital | 0 | - | 4.93 | 165,326 |
| Random African Capital to Country | 0 | - | 4.97 | 100,828 |
| Random African Country to Capital | 0 | - | 4.94 | 71,345 |
| North American Sports Cities | 0 | - | 4.83 | 172,584 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,374 |
| Name a City - European Countries | 0 | - | 4.90 | 65,551 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,147 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,030 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,057 |
| Olympic Host Countries | 0 | - | 4.98 | 201,034 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,402 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,890 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,398 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,323 |
| Europe Capital to Country | 0 | - | 4.99 | 250,728 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,121 |
| European Capitals by Map | 0 | - | 4.99 | 139,779 |
| African Capitals by Map | 0 | - | 4.99 | 134,081 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,242 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,576 |
| European Coastal Capitals | 0 | - | 4.95 | 90,753 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,586 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,394 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,898 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,319 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,548 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,259 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,184 |
| Official Cities in the UK | 0 | - | 4.89 | 284,315 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,225 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,394 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,644 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,165 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,463 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,259 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,374 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,466 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,313 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,196 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,023 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,721 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,026 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,319 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,953 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,119 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,951 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,212 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,938 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,616 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,262 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,807 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,610 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,225 |
| Boundary Waters | 0 | - | 4.92 | 88,544 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,227 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,219 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,655 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,367 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,966 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,740 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,690 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,571 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,485 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,555,256 |
| Landlocked Countries | 0 | - | 4.99 | 421,622 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,866 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 68,048 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,640 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,507 |
| Vietnam War Countries | 0 | - | 4.82 | 94,324 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,384 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,562 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,759 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,290 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,935 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,377 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,870 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,933 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,691 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,985 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,359 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,363 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,892 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,207 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,181 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,627 |
| Cities in European History #1 | 0 | - | 4.63 | 134,151 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,374 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,784 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,899 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,222 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,146 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,504 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,947 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,953 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,279 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,907 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,879 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,270 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,803 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,175 |
| Which City in Europe? | 0 | - | 4.83 | 107,517 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,266 |
| Himalayan Countries | 0 | - | 4.95 | 138,564 |
| Andean Countries | 0 | - | 4.93 | 84,518 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,702 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,698 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,336 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,731 |
| Danube Countries | 0 | - | 4.97 | 71,960 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,962 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,381 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,222 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,701 |
| European Landlocked Countries | 0 | - | 4.99 | 147,088 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,568 |
| Countries with the Most Species | 0 | - | 4.99 | 103,199 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,698 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,562 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,704 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,516 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,195 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,618 |
| Countries in the Alps | 0 | - | 4.87 | 118,148 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,866 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,975 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,619 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,564 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,453 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,920 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,460 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,155 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,462 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,811 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,101 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,631 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,493 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,070 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,184 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,434 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,484 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,812 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,279 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,182 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,007 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,747 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,995 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,190 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,265 |
| Largest Countries By Category | 0 | - | 4.97 | 158,147 |
| Countries by Countries | 0 | - | 4.96 | 63,156 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,636 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,269 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,917 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,640 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,129 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,612 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,482 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,507 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,221 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,264 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,867 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,732 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,014 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 252,742 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,682 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,846 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,677 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,475 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,481 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,904 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,266 |
| Longest International Borders | 0 | - | 4.99 | 265,136 |
| Countries with Three Borders | 0 | - | 4.96 | 36,592 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,101 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,199 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,949 |
| Demonym of Every Country | 0 | - | 4.91 | 60,602 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,286 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,620 |
| American Cities by Stadium | 0 | - | 4.02 | 36,553 |
