| Countries with the Most Christians | 0 | - | 4.92 | 142,181 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,415 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,567 |
| Orthodox Countries | 0 | - | 4.92 | 130,851 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,029 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 42,870 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,545 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,134 |
| Catholic Countries | 0 | - | 4.78 | 214,039 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,476 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,542 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,879 |
| Buddhist Countries | 0 | - | 4.96 | 143,331 |
| The Bible by Picture | 0 | - | 4.23 | 20,054 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,298 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,884 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,605 |
| Battle to Country | 0 | - | 4.91 | 52,865 |
| Monarchies of Europe | 0 | - | 4.90 | 97,655 |
| Monarchies of Asia | 0 | - | 4.97 | 70,801 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,601 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,730 |
| The Life of King David | 0 | - | 4.37 | 14,093 |
| Boundary Waters | 0 | - | 4.92 | 88,201 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,939 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,617 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,609 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,976 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,229 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,530 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,750 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,988 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,082 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,019 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,889 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,880 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,981 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,720 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 118,930 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,410 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,568 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,443 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,665 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,130,136 |
| Landlocked Countries | 0 | - | 4.99 | 416,235 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,735 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,335 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,394 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,416 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,626 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,534 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,478 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,703 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,376 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,341 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,291 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,226 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,487 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,502 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,387 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,369 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,852 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,637 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,459 |
| Island Countries | 0 | - | 4.99 | 708,672 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,725 |
| Himalayan Countries | 0 | - | 4.95 | 136,327 |
| Andean Countries | 0 | - | 4.95 | 83,387 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,650 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,878 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,346 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,953 |
| Countries in World War I | 0 | - | 4.88 | 227,340 |
| Danube Countries | 0 | - | 4.97 | 71,352 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,146 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,812 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,069 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,020 |
| European Landlocked Countries | 0 | - | 4.99 | 146,078 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,691 |
| Countries with the Most Species | 0 | - | 4.99 | 99,748 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,159 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,840 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,310 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,486 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,128 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,779 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,151 |
| Countries in the Alps | 0 | - | 4.86 | 117,277 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,866 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,798 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,226 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,691 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,737 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,216 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,943 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,966 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,765 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,297 |
| 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 | 63,473 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,689 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,959 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,969 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,630 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,866 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,399 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,152 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,761 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,462 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,789 |
| Hindu Countries | 0 | - | 4.86 | 49,798 |
| Largest Countries By Category | 0 | - | 4.97 | 157,201 |
| Countries by Countries | 0 | - | 4.96 | 62,557 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,816 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,068 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,403 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,577 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,363 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,046 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,847 |
| Northernmost Countries | 0 | - | 4.99 | 359,153 |
| Countries of South America | 0 | - | 5.00 | 919,094 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,916 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,257 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,199 |
| "Land" Countries | 0 | - | 4.98 | 334,316 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,987 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,612 |
| Top World Languages | 0 | - | 4.92 | 816,722 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,860 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,314 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,128 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,825 |
| Longest International Borders | 0 | - | 4.99 | 264,246 |
| Countries with Three Borders | 0 | - | 4.96 | 36,328 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,762 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,842 |
| Demonym of Every Country | 0 | - | 4.91 | 58,880 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,254 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,815 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,164 |
| Countries with Megacities | 0 | - | 4.99 | 248,705 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,027 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,481 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,395 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,431 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,388 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,509 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,008 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,998 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,233 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,080 |
| Countries by Capital City | 0 | - | 5.00 | 67,372 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,683 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,203 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,647 |
| Moved Capital Cities | 0 | - | 4.96 | 73,845 |
| Countries by Official Language | 0 | - | 4.95 | 193,877 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,351 |
| Countries in their Native Language | 0 | - | 4.99 | 197,517 |
| Independence from Whom | 0 | - | 4.99 | 210,435 |
| Subdivisions by Country | 0 | - | 4.86 | 50,176 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,252 |
| Megadiverse Countries | 0 | - | 4.96 | 134,511 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,712 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,061 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,610 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,388 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,185 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,503 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,515 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,349 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,797 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,106 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,560 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,659 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,628 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,833 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,181 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,419 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,407 |
| World Map Quiz | 0 | - | 4.81 | 63,988 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,144 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,661 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,463 |
| Countries by Founding Story | 0 | - | 4.95 | 76,827 |
| Countries by Road Signs | 0 | - | 4.98 | 53,364 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,982 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,622 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,348 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,595 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,223 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,413 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,590 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,125 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,611 |
| Widest Countries East to West | 0 | - | 4.92 | 129,105 |
