| Name the Constellations - With a Map | 0 | - | 4.92 | 35,684 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,556 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,526 |
| Countries with Glaciers | 0 | - | 4.97 | 104,707 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,609 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,691 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,022 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,283 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,429 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,147 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,742 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,270 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,759 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,581 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,159 |
| Orthodox Countries | 0 | - | 4.91 | 130,494 |
| Battle to Country | 0 | - | 4.91 | 52,597 |
| Monarchies of Europe | 0 | - | 4.90 | 97,411 |
| Monarchies of Asia | 0 | - | 4.97 | 70,653 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,470 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,010 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,708 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,246 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,788 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,361 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,825 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,183 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,661 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,661 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,610 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,728 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,417 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,430 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,321 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,158 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,331 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,192 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,530 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,802 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,562 |
| Boundary Waters | 0 | - | 4.92 | 88,080 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,850 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,385 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,431 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,902 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,094 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,155 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,072 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,576 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,238 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,094 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,976,040 |
| Countries in World War I | 0 | - | 4.88 | 226,734 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,538 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,332 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,925 |
| Hindu Countries | 0 | - | 4.86 | 49,642 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,393 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,077 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,917 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,152 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,221 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,248 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,175 |
| World Capitals Quiz | 0 | - | 5.00 | 5,036,085 |
| Landlocked Countries | 0 | - | 4.99 | 414,313 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,868 |
| Least-Forested Countries | 0 | - | 4.53 | 64,928 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,755 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,479 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,129 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,561 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,424 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 250,184 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,936 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,010 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,977 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,784 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,595 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,081 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,267 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,216 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,076 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,842 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,179 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,845 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,636 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,380 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,191 |
| Island Countries | 0 | - | 4.99 | 707,884 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,874 |
| Himalayan Countries | 0 | - | 4.95 | 135,603 |
| Andean Countries | 0 | - | 4.94 | 82,958 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,324 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,361 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,024 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,695 |
| Danube Countries | 0 | - | 4.97 | 71,147 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,849 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,609 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,625 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,542 |
| European Landlocked Countries | 0 | - | 4.99 | 145,842 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,307 |
| Countries with the Most Species | 0 | - | 4.99 | 95,285 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,458 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,223 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,392 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,995 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,634 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,007 |
| Countries in the Alps | 0 | - | 4.86 | 116,938 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,643 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,390 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,073 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,480 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,257 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,065 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,666 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,820 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,539 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,123 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,219 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,086 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,508 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,804 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,798 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,212 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,714 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,291 |
| Catholic Countries | 0 | - | 4.78 | 213,748 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,870 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,660 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,901 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,652 |
| Largest Countries By Category | 0 | - | 4.97 | 156,874 |
| Countries by Countries | 0 | - | 4.96 | 62,328 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,269 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,516 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,988 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,458 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,350 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,939 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,185 |
| Communist Countries in History | 0 | - | 4.63 | 492,861 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,838 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,415 |
| Northernmost Countries | 0 | - | 4.99 | 358,094 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,697 |
| Companies by Country | 0 | - | 4.61 | 118,795 |
| Countries of South America | 0 | - | 5.00 | 915,999 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,053 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,766 |
| "Land" Countries | 0 | - | 4.98 | 333,832 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,493 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,746 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,021 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,006 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,617 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,786 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,514 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,143 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,186 |
| All Country Flags of the World | 0 | - | 5.00 | 3,608,870 |
| Top World Languages | 0 | - | 4.92 | 814,017 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,608 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,254 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,627 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,682 |
| Longest International Borders | 0 | - | 4.99 | 263,932 |
| Countries with Three Borders | 0 | - | 4.96 | 36,231 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,640 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,724 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,580 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,776 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,896 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,882 |
| Demonym of Every Country | 0 | - | 4.91 | 58,715 |
| Elements Named for Countries | 0 | - | 4.52 | 24,431 |
| Biblical Geography | 0 | - | 4.40 | 66,974 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,188 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,603 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,254 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,933 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,616 |
| Countries with Megacities | 0 | - | 4.99 | 247,536 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,452 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,195 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,861 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,123 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,359 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,307 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,499 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,952 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,203 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,104 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,743 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,701 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,784 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,610 |
