| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,276 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,515 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,113 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,356 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,030 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,156 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,810 |
| Asia Capital to Country | 0 | - | 4.96 | 126,354 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,928 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,434 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,183 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,796 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,625 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,988 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,645 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,471 |
| Random European Capital to Country | 0 | - | 4.98 | 190,475 |
| Random European Country to Capital | 0 | - | 4.93 | 163,958 |
| Random African Capital to Country | 0 | - | 4.97 | 100,354 |
| Random African Country to Capital | 0 | - | 4.94 | 70,954 |
| North American Sports Cities | 0 | - | 4.83 | 171,628 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,115 |
| Name a City - European Countries | 0 | - | 4.91 | 65,091 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,998 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,937 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,864 |
| Olympic Host Countries | 0 | - | 4.98 | 199,945 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,235 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,291 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,278 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,709 |
| Europe Capital to Country | 0 | - | 4.99 | 249,339 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,432 |
| European Capitals by Map | 0 | - | 4.99 | 138,294 |
| African Capitals by Map | 0 | - | 4.99 | 133,093 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,776 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,142 |
| European Coastal Capitals | 0 | - | 4.95 | 90,285 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,805 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,293 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,681 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.85 | 46,159 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,526 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,407 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,812 |
| Official Cities in the UK | 0 | - | 4.89 | 282,709 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,046 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,785 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,159 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,831 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,887 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,029 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,108 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,070 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,073 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,126 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,911 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,519 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,352 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,847 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,686 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,323 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,418 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,846 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,873 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,908 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 81,002 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,227 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,889 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,692 |
| Boundary Waters | 0 | - | 4.92 | 88,333 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,047 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,811 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,986 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,843 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,244 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,547 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,104 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,413 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,626 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,265,038 |
| Landlocked Countries | 0 | - | 4.99 | 417,978 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,713 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,704 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,075 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,196 |
| Vietnam War Countries | 0 | - | 4.83 | 94,002 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,236 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,847 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,511 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,863 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,491 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,095 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,225 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,431 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,460 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,524 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,529 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,757 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,222 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,475 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,869 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,431 |
| Cities in European History #1 | 0 | - | 4.63 | 133,697 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,288 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,682 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,855 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,655 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,092 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,107 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,554 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,597 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,278 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,585 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,390 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,962 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,369 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,041 |
| Which City in Europe? | 0 | - | 4.83 | 107,107 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,517 |
| Himalayan Countries | 0 | - | 4.94 | 137,006 |
| Andean Countries | 0 | - | 4.95 | 83,724 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,970 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,334 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,646 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,218 |
| Danube Countries | 0 | - | 4.97 | 71,559 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,405 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,972 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,467 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,522 |
| European Landlocked Countries | 0 | - | 4.99 | 146,646 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,990 |
| Countries with the Most Species | 0 | - | 4.99 | 102,701 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,127 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,387 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,553 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,245 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,907 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,294 |
| Countries in the Alps | 0 | - | 4.86 | 117,537 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,034 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,182 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,354 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,883 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,988 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,380 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,153 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,106 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,911 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,617 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,469 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,315 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,430 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,288 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,865 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,849 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,113 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,137 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,987 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,992 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,515 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,400 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,808 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,983 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,923 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,012 |
| Largest Countries By Category | 0 | - | 4.97 | 157,487 |
| Countries by Countries | 0 | - | 4.96 | 62,752 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,069 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,129 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,450 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,383 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,235 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,750,565 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,038 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,048 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,009 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,908 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,927 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,484 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,405 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,896 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 251,410 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,272 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,709 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,305 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,152 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,367 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,862 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,007 |
| Longest International Borders | 0 | - | 4.99 | 264,519 |
| Countries with Three Borders | 0 | - | 4.96 | 36,407 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,861 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,956 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,786 |
| Demonym of Every Country | 0 | - | 4.91 | 59,062 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,104 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,466 |
| American Cities by Stadium | 0 | - | 4.02 | 36,520 |
