| Name the Constellations - With a Map | 0 | - | 4.92 | 35,685 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,556 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,564 |
| Countries with Glaciers | 0 | - | 4.97 | 104,708 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,613 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,692 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,027 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,283 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,446 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,149 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,743 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,273 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,760 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,581 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,160 |
| Orthodox Countries | 0 | - | 4.91 | 130,496 |
| Battle to Country | 0 | - | 4.91 | 52,597 |
| Monarchies of Europe | 0 | - | 4.90 | 97,413 |
| Monarchies of Asia | 0 | - | 4.97 | 70,655 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,472 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,013 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,712 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,248 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,797 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,366 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,827 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,188 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,665 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,663 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,614 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,729 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,422 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,432 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,322 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,159 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,331 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,196 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,532 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,803 |
| 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 | 34,851 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,388 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,436 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,903 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,095 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,157 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,075 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,581 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,238 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,095 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,977,667 |
| Countries in World War I | 0 | - | 4.88 | 226,736 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,543 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,333 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,926 |
| 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 | 89,081 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,920 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,153 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,222 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,248 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,176 |
| World Capitals Quiz | 0 | - | 5.00 | 5,036,229 |
| Landlocked Countries | 0 | - | 4.99 | 414,339 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,870 |
| Least-Forested Countries | 0 | - | 4.53 | 64,931 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,755 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,480 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,130 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,731 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,426 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 250,192 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,938 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,012 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,978 |
| 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 | 36,082 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,268 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,216 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,078 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,856 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,180 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,855 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,693 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,392 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,197 |
| Island Countries | 0 | - | 4.99 | 707,891 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,879 |
| Himalayan Countries | 0 | - | 4.95 | 135,607 |
| Andean Countries | 0 | - | 4.94 | 82,962 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,325 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,368 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,029 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,698 |
| Danube Countries | 0 | - | 4.97 | 71,151 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,852 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,609 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,630 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,544 |
| European Landlocked Countries | 0 | - | 4.99 | 145,845 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,309 |
| Countries with the Most Species | 0 | - | 4.99 | 95,286 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,463 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,223 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,393 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,996 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,636 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,007 |
| Countries in the Alps | 0 | - | 4.86 | 116,940 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,649 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,394 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,073 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,482 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,258 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,066 |
| 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 | 57,541 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,125 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,220 |
| 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 | 78,807 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,802 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,216 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,715 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,293 |
| Catholic Countries | 0 | - | 4.78 | 213,750 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,871 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,665 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,910 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,656 |
| Largest Countries By Category | 0 | - | 4.97 | 156,875 |
| Countries by Countries | 0 | - | 4.96 | 62,328 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,334 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,517 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,991 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,458 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,351 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,947 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,187 |
| Communist Countries in History | 0 | - | 4.63 | 492,865 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,838 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,450 |
| Northernmost Countries | 0 | - | 4.99 | 358,108 |
| 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 | 916,019 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,131 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,817 |
| "Land" Countries | 0 | - | 4.98 | 333,838 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,496 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,747 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,024 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,006 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,724 |
| 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 | 37,187 |
| All Country Flags of the World | 0 | - | 5.00 | 3,609,060 |
| Top World Languages | 0 | - | 4.92 | 814,036 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,609 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,256 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,631 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,682 |
| Longest International Borders | 0 | - | 4.99 | 263,938 |
| Countries with Three Borders | 0 | - | 4.96 | 36,232 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,640 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,726 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,582 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,776 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,898 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,883 |
| Demonym of Every Country | 0 | - | 4.91 | 58,715 |
| Elements Named for Countries | 0 | - | 4.52 | 24,432 |
| Biblical Geography | 0 | - | 4.40 | 66,974 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,189 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,604 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,272 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,947 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,620 |
| Countries with Megacities | 0 | - | 4.99 | 247,544 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,454 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,199 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,872 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,124 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,359 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,337 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,499 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,954 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,203 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,108 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,744 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,706 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,789 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,619 |
