| Nordic Countries and Capitals | 0 | - | 4.95 | 83,632 |
| Random European Capital to Country | 0 | - | 4.98 | 190,812 |
| Random European Country to Capital | 0 | - | 4.93 | 165,032 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,632 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,781 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,763 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,240 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,781 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,408 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,196 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,257 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,385 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,718 |
| Random African Capital to Country | 0 | - | 4.97 | 100,671 |
| Random African Country to Capital | 0 | - | 4.94 | 71,177 |
| North American Sports Cities | 0 | - | 4.83 | 172,323 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,303 |
| Name a City - European Countries | 0 | - | 4.90 | 65,331 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,217 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,427 |
| Olympic Host Countries | 0 | - | 4.98 | 200,653 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,122 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,596 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,928 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,033 |
| Europe Capital to Country | 0 | - | 4.99 | 249,948 |
| Asia Capital to Country | 0 | - | 4.96 | 126,611 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,797 |
| European Capitals by Map | 0 | - | 4.99 | 139,016 |
| African Capitals by Map | 0 | - | 4.99 | 133,694 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,288 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,021 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,375 |
| European Coastal Capitals | 0 | - | 4.95 | 90,547 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,563 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,740 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,851 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,810 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,925 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,067 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,340 |
| Official Cities in the UK | 0 | - | 4.89 | 283,545 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,132 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,559 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,425 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,990 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,800 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,152 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,313 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,263 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,353 |
| Capitals of the Stans | 0 | - | 4.95 | 26,828 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,216 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,227 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,105 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,494 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,750 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,735 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,060 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,304 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,129 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,577 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,835 |
| Boundary Waters | 0 | - | 4.92 | 88,449 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,135 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,036 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,379 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,434 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,132 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,869 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,402 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,498 |
| Melbourne Suburbs | 0 | - | 4.85 | 53,057 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,420,427 |
| Landlocked Countries | 0 | - | 4.99 | 419,978 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,803 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,889 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,494 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,371 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,328 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,272 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,132 |
| Every European Country Shape | 0 | - | 4.96 | 201,528 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,586 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,712 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,567 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,774 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,884 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,086 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,551 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,391 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,119 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,045 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,655 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,325 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,893 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,185 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,620 |
| Cities in European History #1 | 0 | - | 4.63 | 133,939 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,336 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,738 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,882 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,963 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,117 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,424 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,766 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,774 |
| World Capitals Quiz | 0 | - | 5.00 | 5,070,563 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,987 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,724 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,968 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,652 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,115 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,087 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,120 |
| Which City in Europe? | 0 | - | 4.83 | 107,360 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,348 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,466 |
| Himalayan Countries | 0 | - | 4.95 | 137,890 |
| Andean Countries | 0 | - | 4.95 | 84,157 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,372 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,943 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,024 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,477 |
| Danube Countries | 0 | - | 4.97 | 71,768 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,706 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,165 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,857 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,941 |
| European Landlocked Countries | 0 | - | 4.99 | 146,900 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,290 |
| Countries with the Most Species | 0 | - | 4.99 | 103,038 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,442 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,468 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,636 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,400 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,079 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,468 |
| Countries in the Alps | 0 | - | 4.87 | 117,880 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 96,927 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,599 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,504 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,385 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,242 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,801 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,404 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,281 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,041 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,059 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,649 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,730 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,544 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,387 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,013 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,305 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,308 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,436 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,139 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,641 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,710 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,927 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,524 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,063 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,158 |
| Largest Countries By Category | 0 | - | 4.97 | 157,841 |
| Countries by Countries | 0 | - | 4.97 | 62,952 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,382 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,187 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,195 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,497 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,754 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,450 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,145 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,369 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,273 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,076 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,308 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,281 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 252,156 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,514 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,787 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,489 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,316 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,428 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,445 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,148 |
| Longest International Borders | 0 | - | 4.99 | 264,864 |
| Countries with Three Borders | 0 | - | 4.96 | 36,511 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,988 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,100 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,956 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,124 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,871 |
| Demonym of Every Country | 0 | - | 4.91 | 59,451 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,902 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,458 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,855 |
| American Cities by Stadium | 0 | - | 4.02 | 36,540 |
| City by Football Clubs | 0 | - | 4.38 | 137,912 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,578 |
