| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,651 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,713 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,376 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,707 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,335 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,663 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,386 |
| Asia Capital to Country | 0 | - | 4.96 | 126,543 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,176 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,529 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,619 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,141 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,754 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,208 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,110 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,593 |
| Random European Capital to Country | 0 | - | 4.98 | 190,734 |
| Random European Country to Capital | 0 | - | 4.93 | 164,907 |
| Random African Capital to Country | 0 | - | 4.97 | 100,575 |
| Random African Country to Capital | 0 | - | 4.94 | 71,127 |
| North American Sports Cities | 0 | - | 4.83 | 172,214 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,282 |
| Name a City - European Countries | 0 | - | 4.90 | 65,270 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,551 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,972 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,939 |
| Olympic Host Countries | 0 | - | 4.98 | 200,533 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,513 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,504 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,781 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,925 |
| Europe Capital to Country | 0 | - | 4.99 | 249,760 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,706 |
| European Capitals by Map | 0 | - | 4.99 | 138,810 |
| African Capitals by Map | 0 | - | 4.99 | 133,522 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,959 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,305 |
| European Coastal Capitals | 0 | - | 4.95 | 90,460 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,480 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,713 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,778 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,765 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,981 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,752 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,936 |
| Official Cities in the UK | 0 | - | 4.89 | 283,294 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,742 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,361 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,351 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,947 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,086 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,116 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,218 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,313 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,556 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,164 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,956 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,589 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,599 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,028 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,245 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,620 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,649 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,963 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,892 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,194 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,093 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,403 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,509 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,420 |
| Boundary Waters | 0 | - | 4.92 | 88,405 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,111 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,978 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,232 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,035 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,665 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,629 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,311 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,471 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,939 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,373,951 |
| Landlocked Countries | 0 | - | 4.99 | 419,473 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,780 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,834 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,438 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,328 |
| Vietnam War Countries | 0 | - | 4.82 | 94,135 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,311 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,164 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,596 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,067 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,627 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,185 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,456 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,591 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,529 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,703 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,771 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,000 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,432 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,103 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,979 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,506 |
| Cities in European History #1 | 0 | - | 4.62 | 133,878 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,327 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,725 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,874 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,856 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,108 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,397 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,729 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,728 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,917 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,695 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,561 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,072 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,900 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,094 |
| Which City in Europe? | 0 | - | 4.83 | 107,268 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,211 |
| Himalayan Countries | 0 | - | 4.95 | 137,653 |
| Andean Countries | 0 | - | 4.95 | 84,053 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,300 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,802 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,920 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,418 |
| Danube Countries | 0 | - | 4.97 | 71,722 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,637 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,114 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,745 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,820 |
| European Landlocked Countries | 0 | - | 4.99 | 146,833 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,205 |
| Countries with the Most Species | 0 | - | 4.99 | 102,980 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,356 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,442 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,609 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,346 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,020 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,414 |
| Countries in the Alps | 0 | - | 4.87 | 117,770 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,196 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,479 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,453 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,056 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,161 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,755 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,347 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,241 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,003 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,878 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,598 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,598 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,513 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,362 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,942 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,970 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,238 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,255 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,288 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,096 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,598 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,622 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,613 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,362 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,026 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,131 |
| Largest Countries By Category | 0 | - | 4.97 | 157,741 |
| Countries by Countries | 0 | - | 4.96 | 62,893 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,283 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,480 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,568 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,383 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,185 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,230 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,144 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,192 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,024 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,114 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,674 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,678 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,945 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 251,879 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,436 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,764 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,431 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,275 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,401 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,241 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,105 |
| Longest International Borders | 0 | - | 4.99 | 264,751 |
| Countries with Three Borders | 0 | - | 4.96 | 36,475 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,943 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,056 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,847 |
| Demonym of Every Country | 0 | - | 4.91 | 59,203 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,456 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,517 |
| American Cities by Stadium | 0 | - | 4.02 | 36,534 |
