| Name the Constellations - With a Map | 0 | - | 4.92 | 35,723 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,572 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,187 |
| Countries with Glaciers | 0 | - | 4.97 | 104,755 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,862 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,756 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,170 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,330 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,761 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,214 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,811 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,365 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,810 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,690 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,324 |
| Orthodox Countries | 0 | - | 4.91 | 130,621 |
| Battle to Country | 0 | - | 4.91 | 52,670 |
| Monarchies of Europe | 0 | - | 4.90 | 97,509 |
| Monarchies of Asia | 0 | - | 4.97 | 70,707 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,525 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,213 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,842 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,382 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,084 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,593 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,976 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,291 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,779 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,788 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,700 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,801 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,610 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,530 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,947 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,245 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,414 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,299 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,581 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,834 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,611 |
| Boundary Waters | 0 | - | 4.92 | 88,123 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,893 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,475 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,562 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,985 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,221 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,242 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,169 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,685 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,286 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,244 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,037,243 |
| Countries in World War I | 0 | - | 4.88 | 226,866 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,712 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,350 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 44,986 |
| Hindu Countries | 0 | - | 4.86 | 49,690 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,421 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,204 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,040 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 79,642 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,293 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,392 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,248 |
| World Capitals Quiz | 0 | - | 5.00 | 5,041,430 |
| Landlocked Countries | 0 | - | 4.99 | 415,109 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,911 |
| Least-Forested Countries | 0 | - | 4.53 | 64,966 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,807 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,503 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,183 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,728,871 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,501 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 250,403 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,001 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,069 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,058 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,890 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,627 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,087 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,326 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,273 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,183 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,064 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,306 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,629 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,369 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,673 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,641 |
| Island Countries | 0 | - | 4.99 | 708,232 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,188 |
| Himalayan Countries | 0 | - | 4.95 | 135,894 |
| Andean Countries | 0 | - | 4.94 | 83,127 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,455 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,565 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,156 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,805 |
| Danube Countries | 0 | - | 4.97 | 71,244 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,963 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,683 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,814 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,737 |
| European Landlocked Countries | 0 | - | 4.99 | 145,944 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,478 |
| Countries with the Most Species | 0 | - | 4.99 | 95,326 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,609 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,258 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,431 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,048 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,702 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,060 |
| Countries in the Alps | 0 | - | 4.86 | 117,086 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,733 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,545 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,144 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,564 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,353 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,125 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,765 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,883 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,666 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,196 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,263 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,131 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,599 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,860 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,874 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,410 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,777 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,341 |
| Catholic Countries | 0 | - | 4.78 | 213,859 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,988 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,138 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,126 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,711 |
| Largest Countries By Category | 0 | - | 4.97 | 156,990 |
| Countries by Countries | 0 | - | 4.96 | 62,419 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,339 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,625 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,013 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,481 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,375 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,217 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,253 |
| Communist Countries in History | 0 | - | 4.63 | 493,232 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,918 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,428 |
| Northernmost Countries | 0 | - | 4.99 | 358,586 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,712 |
| Companies by Country | 0 | - | 4.61 | 118,868 |
| Countries of South America | 0 | - | 5.00 | 917,432 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,593 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,461 |
| "Land" Countries | 0 | - | 4.98 | 334,041 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,640 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,818 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,155 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,049 |
| Europe Map Quiz | 0 | - | 5.00 | 4,738,609 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,860 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,541 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,149 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,247 |
| All Country Flags of the World | 0 | - | 5.00 | 3,615,705 |
| Top World Languages | 0 | - | 4.92 | 815,105 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,695 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,283 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,835 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,737 |
| Longest International Borders | 0 | - | 4.99 | 264,071 |
| Countries with Three Borders | 0 | - | 4.96 | 36,278 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,687 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,778 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,689 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,805 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,930 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,911 |
| Demonym of Every Country | 0 | - | 4.91 | 58,776 |
| Elements Named for Countries | 0 | - | 4.52 | 24,473 |
| Biblical Geography | 0 | - | 4.40 | 66,996 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,214 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,686 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,570 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,277 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,843 |
| Countries with Megacities | 0 | - | 4.99 | 248,051 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,715 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,309 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,100 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,262 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,415 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,352 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,970 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,118 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,225 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,310 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,907 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,858 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,025 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,867 |
