| Countries with the Most Christians | 0 | - | 4.92 | 142,188 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,419 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,572 |
| Orthodox Countries | 0 | - | 4.92 | 130,856 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,035 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 42,951 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,551 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,135 |
| Catholic Countries | 0 | - | 4.78 | 214,042 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,482 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,573 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,888 |
| Buddhist Countries | 0 | - | 4.96 | 143,338 |
| The Bible by Picture | 0 | - | 4.23 | 20,055 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,305 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,885 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,607 |
| Battle to Country | 0 | - | 4.91 | 52,869 |
| Monarchies of Europe | 0 | - | 4.90 | 97,661 |
| Monarchies of Asia | 0 | - | 4.97 | 70,805 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,603 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,732 |
| The Life of King David | 0 | - | 4.37 | 14,093 |
| Boundary Waters | 0 | - | 4.92 | 88,203 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,943 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,630 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,611 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,980 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,232 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,533 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,756 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,993 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,086 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,022 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,892 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,884 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,988 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,727 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 118,990 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,412 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,572 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,446 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,668 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,132,525 |
| Landlocked Countries | 0 | - | 4.99 | 416,255 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,928 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,336 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,403 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,418 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,826 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,564 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,486 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,714 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,378 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,343 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,296 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,233 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,490 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,525 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,392 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,373 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,939 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,658 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,488 |
| Island Countries | 0 | - | 4.99 | 708,684 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,747 |
| Himalayan Countries | 0 | - | 4.95 | 136,343 |
| Andean Countries | 0 | - | 4.95 | 83,396 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,657 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,887 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,352 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,958 |
| Countries in World War I | 0 | - | 4.88 | 227,348 |
| Danube Countries | 0 | - | 4.97 | 71,356 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,152 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,815 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,077 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,024 |
| European Landlocked Countries | 0 | - | 4.99 | 146,082 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,698 |
| Countries with the Most Species | 0 | - | 4.99 | 100,011 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,169 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,843 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,312 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,488 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,130 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,785 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,155 |
| Countries in the Alps | 0 | - | 4.86 | 117,286 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,866 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,806 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,228 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,697 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,762 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,219 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,943 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,968 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,768 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,300 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,337 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,188 |
| Sharia Law Countries | 0 | - | 4.48 | 63,475 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,691 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,959 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,972 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,635 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,867 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,401 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,155 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,779 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,469 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,790 |
| Hindu Countries | 0 | - | 4.86 | 49,799 |
| Largest Countries By Category | 0 | - | 4.97 | 157,204 |
| Countries by Countries | 0 | - | 4.96 | 62,558 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,820 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,068 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,404 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,590 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,363 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,047 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,875 |
| Northernmost Countries | 0 | - | 4.99 | 359,172 |
| Countries of South America | 0 | - | 5.00 | 919,145 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,984 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,394 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,205 |
| "Land" Countries | 0 | - | 4.98 | 334,331 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,991 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,612 |
| Top World Languages | 0 | - | 4.92 | 816,759 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,866 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,315 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,131 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,826 |
| Longest International Borders | 0 | - | 4.99 | 264,246 |
| Countries with Three Borders | 0 | - | 4.96 | 36,330 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,763 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,847 |
| Demonym of Every Country | 0 | - | 4.91 | 58,882 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,256 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,821 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,167 |
| Countries with Megacities | 0 | - | 4.99 | 248,716 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,031 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,485 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,402 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,437 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,395 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,514 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,009 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,005 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,236 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,088 |
| Countries by Capital City | 0 | - | 5.00 | 67,380 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,686 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,205 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,650 |
| Moved Capital Cities | 0 | - | 4.96 | 73,845 |
| Countries by Official Language | 0 | - | 4.95 | 193,883 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,366 |
| Countries in their Native Language | 0 | - | 4.99 | 197,528 |
| Independence from Whom | 0 | - | 4.99 | 210,456 |
| Subdivisions by Country | 0 | - | 4.86 | 50,179 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,254 |
| Megadiverse Countries | 0 | - | 4.96 | 134,512 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,721 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,063 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,612 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,404 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,187 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,509 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,518 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,352 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,799 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,110 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,563 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,661 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,629 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,833 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,183 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,496 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,416 |
| World Map Quiz | 0 | - | 4.81 | 63,994 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,160 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,661 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,464 |
| Countries by Founding Story | 0 | - | 4.95 | 76,831 |
| Countries by Road Signs | 0 | - | 4.98 | 53,366 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,988 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,625 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,352 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,604 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,223 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,417 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,591 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,128 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,613 |
| Widest Countries East to West | 0 | - | 4.92 | 129,110 |
