| Nordic Countries and Capitals | 0 | - | 4.95 | 83,103 |
| Random European Capital to Country | 0 | - | 4.98 | 189,274 |
| Random European Country to Capital | 0 | - | 4.92 | 147,503 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,174 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,026 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,046 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,890 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,021 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,838 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,158 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,618 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,425 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,452 |
| Random African Capital to Country | 0 | - | 4.97 | 99,748 |
| Random African Country to Capital | 0 | - | 4.94 | 70,245 |
| North American Sports Cities | 0 | - | 4.83 | 170,939 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,927 |
| Name a City - European Countries | 0 | - | 4.92 | 64,447 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,471 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,131 |
| Olympic Host Countries | 0 | - | 4.98 | 198,934 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,774 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,387 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,189 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,873 |
| Europe Capital to Country | 0 | - | 4.99 | 247,990 |
| Asia Capital to Country | 0 | - | 4.96 | 125,788 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,514 |
| European Capitals by Map | 0 | - | 4.99 | 136,379 |
| African Capitals by Map | 0 | - | 4.99 | 132,225 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,176 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,228 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,658 |
| European Coastal Capitals | 0 | - | 4.95 | 89,802 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,202 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,901 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,918 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,434 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,069 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,824 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,148 |
| Official Cities in the UK | 0 | - | 4.89 | 280,664 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,419 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,968 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,688 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,438 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,202 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,735 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,484 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,796 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,843 |
| Capitals of the Stans | 0 | - | 4.95 | 26,425 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,537 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,830 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,245 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,030 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,430 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,790 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,422 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,944 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,690 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,680 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,028 |
| Boundary Waters | 0 | - | 4.92 | 88,061 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,826 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,314 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,333 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,861 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,270 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,986 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,494 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,211 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,810 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,935,963 |
| Landlocked Countries | 0 | - | 4.99 | 413,793 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,574 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,303 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,663 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,835 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,053 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,995 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,445 |
| Every European Country Shape | 0 | - | 4.96 | 200,246 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,504 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,896 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,177 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,026 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,676 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,060 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,447 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,541 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,264 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,660 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,853 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,360 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,361 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,952 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,079 |
| Cities in European History #1 | 0 | - | 4.63 | 133,167 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,201 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,570 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,809 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,002 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,018 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,910 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,105 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,203 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,864 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,807 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,288 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,648 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,859 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,558 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,404 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,897 |
| Which City in Europe? | 0 | - | 4.83 | 106,718 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,359 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,666 |
| Himalayan Countries | 0 | - | 4.95 | 135,428 |
| Andean Countries | 0 | - | 4.94 | 82,854 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,248 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,248 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,933 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,628 |
| Danube Countries | 0 | - | 4.97 | 71,097 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,782 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,551 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,523 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,439 |
| European Landlocked Countries | 0 | - | 4.99 | 145,774 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,237 |
| Countries with the Most Species | 0 | - | 4.99 | 95,252 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,378 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,203 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,374 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,968 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,583 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,962 |
| Countries in the Alps | 0 | - | 4.86 | 116,854 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,584 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,284 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,023 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,436 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,191 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,021 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,599 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,773 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,373 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,839 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,079 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,450 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,201 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,053 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,461 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,765 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,768 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,108 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,662 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,265 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,791 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,393 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,731 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,613 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,761 |
| Largest Countries By Category | 0 | - | 4.97 | 156,791 |
| Countries by Countries | 0 | - | 4.96 | 62,271 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,416 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,969 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,541 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,338 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,786 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,718,662 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,447 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,344 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,465 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,537 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,623 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 250,026 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,730 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,493 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,862 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,572 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,242 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,470 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,637 |
| Longest International Borders | 0 | - | 4.99 | 263,559 |
| Countries with Three Borders | 0 | - | 4.96 | 36,190 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,611 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,690 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,768 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,984 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,617 |
| Demonym of Every Country | 0 | - | 4.91 | 58,658 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,286 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,126 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,944 |
| American Cities by Stadium | 0 | - | 4.02 | 36,489 |
| City by Football Clubs | 0 | - | 4.37 | 137,048 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| North America Cities by Map | 0 | - | 4.41 | 47,622 |
