| Nordic Countries and Capitals | 0 | - | 4.95 | 84,024 |
| Random European Capital to Country | 0 | - | 4.98 | 192,065 |
| Random European Country to Capital | 0 | - | 4.93 | 165,832 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,788 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,306 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,936 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,627 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,821 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,811 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,049 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,432 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,952 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,380 |
| Random African Capital to Country | 0 | - | 4.97 | 101,286 |
| Random African Country to Capital | 0 | - | 4.95 | 71,716 |
| North American Sports Cities | 0 | - | 4.83 | 173,086 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,548 |
| Name a City - European Countries | 0 | - | 4.90 | 66,106 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,292 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,375 |
| Olympic Host Countries | 0 | - | 4.98 | 201,881 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,507 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,407 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,365 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,980 |
| Europe Capital to Country | 0 | - | 4.99 | 251,941 |
| Asia Capital to Country | 0 | - | 4.96 | 127,333 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,889 |
| European Capitals by Map | 0 | - | 4.99 | 141,947 |
| African Capitals by Map | 0 | - | 4.99 | 142,013 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,861 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,805 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,124 |
| European Coastal Capitals | 0 | - | 4.95 | 91,254 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,156 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,432 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,649 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,135 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,991 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,112 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,461 |
| Official Cities in the UK | 0 | - | 4.89 | 286,026 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,720 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,980 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,187 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,538 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,360 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,551 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,906 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,673 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,688 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,002 |
| Capitals of the Stans | 0 | - | 4.95 | 27,109 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,643 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,379 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,864 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,975 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,857 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,717 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,622 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,522 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,527 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,332 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,276 |
| Boundary Waters | 0 | - | 4.92 | 88,744 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,397 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,650 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,276 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,925 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,806 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,055 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,351 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,796 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,228 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,842,017 |
| Landlocked Countries | 0 | - | 4.99 | 425,178 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,041 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,333 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,950 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,782 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,514 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,303 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,605 |
| Every European Country Shape | 0 | - | 4.96 | 202,852 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,474 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,390 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,902 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,365 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,912 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,939 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,553 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,917 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,923 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,498 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,380 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,084 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,279 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,434 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,955 |
| Cities in European History #1 | 0 | - | 4.63 | 134,560 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,441 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,867 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,946 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,922 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,212 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,719 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,389 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,452 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,258 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,137 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,213 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,340 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,345 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,602 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,845 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,295 |
| Which City in Europe? | 0 | - | 4.83 | 107,851 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,217 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,984 |
| Himalayan Countries | 0 | - | 4.93 | 140,019 |
| Andean Countries | 0 | - | 4.94 | 85,315 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,470 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,831 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,041 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,331 |
| Danube Countries | 0 | - | 4.97 | 72,321 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,498 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,771 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,992 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,498 |
| European Landlocked Countries | 0 | - | 4.99 | 147,543 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,204 |
| Countries with the Most Species | 0 | - | 4.99 | 103,524 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,331 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,752 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,855 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,794 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,529 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,963 |
| Countries in the Alps | 0 | - | 4.87 | 118,692 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,495 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,760 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,923 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,971 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,887 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,196 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,334 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,814 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,381 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,219 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,129 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,765 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,826 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,700 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,506 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,737 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,835 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,706 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,565 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,711 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,606 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,484 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,017 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,477 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,471 |
| Largest Countries By Category | 0 | - | 4.97 | 158,782 |
| Countries by Countries | 0 | - | 4.96 | 63,584 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,193 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,382 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,709 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,654 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,377 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,054 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,801,133 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,142 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,069 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,564 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,919 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,580 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 253,771 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,421 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,968 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,931 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,759 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,607 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,970 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,536 |
| Longest International Borders | 0 | - | 4.99 | 265,763 |
| Countries with Three Borders | 0 | - | 4.96 | 36,750 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,331 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,473 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,990 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,112 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,157 |
| Demonym of Every Country | 0 | - | 4.90 | 61,423 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,021 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,747 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,134 |
| American Cities by Stadium | 0 | - | 4.02 | 36,587 |
| City by Football Clubs | 0 | - | 4.38 | 138,372 |
