| Boundary Waters | 0 | - | 4.92 | 88,455 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,151 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,052 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,432,671 |
| Landlocked Countries | 0 | - | 4.99 | 420,129 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,577 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,900 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,120 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,632 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,528 |
| Himalayan Countries | 0 | - | 4.95 | 137,948 |
| Andean Countries | 0 | - | 4.95 | 84,193 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,410 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,082 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,053 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,503 |
| Danube Countries | 0 | - | 4.97 | 71,785 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,727 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,177 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,892 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,071 |
| European Landlocked Countries | 0 | - | 4.99 | 146,922 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,313 |
| Countries with the Most Species | 0 | - | 4.99 | 103,055 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,473 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,475 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,642 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,411 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,094 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,483 |
| Countries in the Alps | 0 | - | 4.87 | 117,910 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,421 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,631 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,520 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,413 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,256 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,810 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,428 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,302 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,054 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,672 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,550 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,396 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,027 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,324 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,329 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,463 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,144 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,660 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,744 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,993 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,567 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,074 |
| Largest Countries By Category | 0 | - | 4.97 | 157,861 |
| Countries by Countries | 0 | - | 4.97 | 62,969 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,415 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,197 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,468 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,359 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,531 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,788 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,332 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,436 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,498 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,156 |
| Longest International Borders | 0 | - | 4.99 | 264,886 |
| Countries with Three Borders | 0 | - | 4.96 | 36,519 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,999 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,111 |
| Demonym of Every Country | 0 | - | 4.91 | 59,744 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,004 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,719 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,952 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,046 |
| Island Countries | 0 | - | 4.99 | 710,250 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,478 |
| Northernmost Countries | 0 | - | 4.99 | 361,074 |
| Countries of South America | 0 | - | 5.00 | 924,631 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,496 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,753 |
| "Land" Countries | 0 | - | 4.98 | 336,112 |
| Top World Languages | 0 | - | 4.92 | 821,834 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,766 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,853 |
| All Country Flags of the World | 0 | - | 5.00 | 3,661,419 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,384 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,308 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,318 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,210 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,203 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,383 |
| Countries with Megacities | 0 | - | 4.99 | 263,031 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,217 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,190 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,515 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,230 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,393 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,074 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,202 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,372 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,456 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,184 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,934 |
| Countries by Capital City | 0 | - | 5.00 | 68,208 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,138 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,622 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,282 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,157 |
| Moved Capital Cities | 0 | - | 4.96 | 74,178 |
| Countries by Official Language | 0 | - | 4.95 | 194,874 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,854 |
| Countries in their Native Language | 0 | - | 4.99 | 198,411 |
| Independence from Whom | 0 | - | 4.99 | 211,636 |
| Subdivisions by Country | 0 | - | 4.86 | 50,342 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,931 |
| Megadiverse Countries | 0 | - | 4.96 | 134,852 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,748 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,239 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,825 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,054 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,864 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,461 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,171 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,918 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,551 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,031 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,292 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,782 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,071 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,849 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,236 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,404 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,565 |
| World Map Quiz | 0 | - | 4.81 | 64,807 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,230 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,166 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,731 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,062 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,788 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,688 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,666 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,803 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,941 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,338 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,407 |
| Widest Countries East to West | 0 | - | 4.92 | 129,472 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,410 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,122 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,047 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,617 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,380 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,675 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,295 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,754 |
| Countries with Double Letters | 0 | - | 4.97 | 95,333 |
| Countries that End in N | 0 | - | 4.95 | 170,368 |
| Countries with Five Letters | 0 | - | 4.96 | 281,226 |
| Countries with Six Letters | 0 | - | 4.94 | 212,777 |
| Countries with W | 0 | - | 4.97 | 159,687 |
| Countries with Z | 0 | - | 4.98 | 290,583 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,957 |
| Countries That End in U | 0 | - | 4.95 | 120,507 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,972 |
| Countries that End in O | 0 | - | 4.92 | 159,279 |
| Countries that End in R | 0 | - | 4.87 | 118,799 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,564 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,570 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,302 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,203 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,807 |
| Countries That End in Y | 0 | - | 4.91 | 185,709 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,500 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,581 |
| Countries that End in I | 0 | - | 4.94 | 134,936 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,695 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,658 |
| Countries That End in NIA | 0 | - | 4.92 | 109,606 |
| Countries That End in BIA | 0 | - | 4.93 | 148,963 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,865 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,189 |
| Countries That End in RIA | 0 | - | 4.93 | 126,624 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,759 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,033 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,388 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,780 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,313 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,403 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,779 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,354 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,270 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,274 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,970 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,691 |
| Countries that End in L | 0 | - | 4.94 | 156,642 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,661 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,187 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,905 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,812 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,861 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,121 |
