| Countries with the Most HIV | 0 | - | 4.46 | 44,304 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,849 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,533 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 179,945 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,144 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 90,829 |
| Countries with Glaciers | 0 | - | 4.97 | 104,642 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,614 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,223 |
| Boundary Waters | 0 | - | 4.92 | 88,027 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,804 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,247 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,623 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,901,134 |
| Landlocked Countries | 0 | - | 4.99 | 413,384 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.70 | 59,445 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,148 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,977 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,577 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,921 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,054 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,488 |
| Himalayan Countries | 0 | - | 4.95 | 135,272 |
| Andean Countries | 0 | - | 4.94 | 82,782 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,192 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,136 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,857 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,564 |
| Danube Countries | 0 | - | 4.97 | 71,060 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,727 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,514 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,418 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,344 |
| European Landlocked Countries | 0 | - | 4.99 | 145,729 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,167 |
| Countries with the Most Species | 0 | - | 4.99 | 95,232 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,307 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,358 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,947 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,560 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,933 |
| Countries in the Alps | 0 | - | 4.86 | 116,786 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,533 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,213 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,991 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,400 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,129 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,975 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,545 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,732 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,164 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,030 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,187 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,027 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,427 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,718 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,730 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,014 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,617 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,241 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,745 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,160 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,586 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,586 |
| Largest Countries By Category | 0 | - | 4.97 | 156,716 |
| Countries by Countries | 0 | - | 4.96 | 62,237 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,344 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,957 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,322 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,734 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,605 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,684 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,475 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,533 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,224 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,356 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,606 |
| Longest International Borders | 0 | - | 4.99 | 263,510 |
| Countries with Three Borders | 0 | - | 4.96 | 36,170 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,590 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,652 |
| Demonym of Every Country | 0 | - | 4.91 | 58,619 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,589 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,560 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,049 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,720 |
| Island Countries | 0 | - | 4.99 | 707,526 |
| Least-Forested Countries | 0 | - | 4.53 | 64,891 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,698 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,183 |
| Northernmost Countries | 0 | - | 4.99 | 357,602 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,453 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,075 |
| Mountains by Country | 0 | - | 4.64 | 81,542 |
| Countries of South America | 0 | - | 5.00 | 914,322 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,993 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,521 |
| "Land" Countries | 0 | - | 4.98 | 333,582 |
| Top World Languages | 0 | - | 4.92 | 812,828 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,063 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,662 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,316 |
| All Country Flags of the World | 0 | - | 5.00 | 3,600,167 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,340 |
| Elements Named for Countries | 0 | - | 4.52 | 24,379 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,158 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,207 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,467 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,657 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,525 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,056 |
| Countries with Megacities | 0 | - | 4.99 | 246,634 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,980 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,841 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,408 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,781 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,101 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,718 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,905 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,629 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,581 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,576 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,387 |
| Countries by Capital City | 0 | - | 5.00 | 66,588 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,306 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,885 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,280 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,396 |
| Moved Capital Cities | 0 | - | 4.96 | 73,566 |
| Countries by Official Language | 0 | - | 4.95 | 192,723 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,057 |
| Countries in their Native Language | 0 | - | 4.99 | 196,589 |
| Independence from Whom | 0 | - | 4.99 | 209,626 |
| Subdivisions by Country | 0 | - | 4.86 | 50,055 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,706 |
| Megadiverse Countries | 0 | - | 4.97 | 133,876 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,754 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,909 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,409 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,853 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,624 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,986 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,880 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,129 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,206 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,735 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,519 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,402 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,478 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,489 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,651 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,009 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,523 |
| World Map Quiz | 0 | - | 4.81 | 63,469 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,538 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,301 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,434 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,296 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,959 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,917 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,669 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,830 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,037 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,251 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,930 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,319 |
| Widest Countries East to West | 0 | - | 4.92 | 128,588 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,213 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,179 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,556 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,675 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,609 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,021 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,047 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 37,671 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,570 |
| Countries with Double Letters | 0 | - | 4.97 | 93,342 |
| Countries that End in N | 0 | - | 4.94 | 156,496 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,631 |
| Countries with Six Letters | 0 | - | 4.93 | 210,303 |
| Countries with W | 0 | - | 4.97 | 158,196 |
| Countries with Z | 0 | - | 4.98 | 287,821 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,513 |
| Countries That End in U | 0 | - | 4.95 | 119,496 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,498 |
| Countries that End in O | 0 | - | 4.92 | 158,532 |
| Countries that End in R | 0 | - | 4.87 | 118,256 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,849 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,973 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,293 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,466 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,981 |
| Countries That End in Y | 0 | - | 4.90 | 185,188 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,330 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,642 |
| Countries that End in I | 0 | - | 4.94 | 134,392 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,140 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,178 |
| Countries That End in NIA | 0 | - | 4.92 | 108,985 |