| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,576 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,653,221 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,881,220 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,124,277 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,500 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,225 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,449 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,683 |
| Countries with Four Letters | 0 | - | 4.99 | 425,848 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,043 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,934 |
| Landlocked Countries | 0 | - | 4.99 | 425,892 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,034 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,414 |
| Country Chain | 0 | - | 4.96 | 218,453 |
| Countries by Emojis | 0 | - | 4.99 | 242,458 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,587 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,816 |
| Islands by Country #1 | 0 | - | 4.90 | 176,345 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,227 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,551 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,390 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,616 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,970 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,030 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,301 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,192 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,191 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,047 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,175 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 742,635 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,286 |
| Himalayan Countries | 0 | - | 4.93 | 140,260 |
| Andean Countries | 0 | - | 4.94 | 85,468 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,621 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,013 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,174 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,443 |
| Danube Countries | 0 | - | 4.97 | 72,395 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,596 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,845 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,133 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,620 |
| European Landlocked Countries | 0 | - | 4.99 | 147,606 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,304 |
| Countries with the Most Species | 0 | - | 4.99 | 103,567 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,414 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,775 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,887 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,838 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,582 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,020 |
| Countries in the Alps | 0 | - | 4.87 | 118,777 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,636 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,867 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,968 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,028 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,962 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,259 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,409 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,426 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,180 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,877 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,747 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,563 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,799 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,897 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,845 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,617 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 71,805 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,677 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,724 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,159 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,506 |
| Largest Countries By Category | 0 | - | 4.97 | 158,869 |
| Countries by Countries | 0 | - | 4.96 | 63,646 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,271 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,401 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,672 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,108 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,426 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,699 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,710 |
| Island Countries | 0 | - | 4.99 | 712,581 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,768 |
| Northernmost Countries | 0 | - | 4.99 | 364,024 |
| Countries of South America | 0 | - | 5.00 | 932,721 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,410 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,388 |
| "Land" Countries | 0 | - | 4.98 | 338,399 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,746 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,725 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,672 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,098 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,917 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,750 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,467 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,685 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,197 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,135 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,748 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,086 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,537 |
| Random Countries by Borders | 0 | - | 4.99 | 83,089 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,634 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,165 |
| Countries with Megacities | 0 | - | 4.99 | 267,135 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,856 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,133 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,168 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,244 |
| Countries by Official Language | 0 | - | 4.95 | 196,006 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,641 |
| Countries in their Native Language | 0 | - | 4.99 | 199,744 |
| Independence from Whom | 0 | - | 4.99 | 213,078 |
| Subdivisions by Country | 0 | - | 4.87 | 50,619 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,449 |
| Megadiverse Countries | 0 | - | 4.96 | 135,283 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,949 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,543 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,672 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,231 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,136 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,857 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,118 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,570 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,051 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,258 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,539 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,378 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,444 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,150 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,585 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,859 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,366 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,053 |
| World Map Quiz | 0 | - | 4.81 | 65,734 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,995 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,275 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,718 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,264 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,087 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,567 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,588 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,436 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,539 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,734 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,693 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,728 |
| Widest Countries East to West | 0 | - | 4.92 | 130,464 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,600 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,265 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,520 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,070 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,977 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,490 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,503 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,892 |
| Countries with Double Letters | 0 | - | 4.96 | 97,087 |
| Countries that End in N | 0 | - | 4.95 | 171,953 |
| Countries with Five Letters | 0 | - | 4.96 | 283,788 |
| Countries with Six Letters | 0 | - | 4.94 | 214,488 |
| Countries with W | 0 | - | 4.96 | 160,952 |
| Countries with Z | 0 | - | 4.98 | 292,471 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,291 |
| Countries That End in U | 0 | - | 4.95 | 121,197 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,115 |
| Countries that End in O | 0 | - | 4.92 | 160,218 |
| Countries that End in R | 0 | - | 4.87 | 119,188 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,942 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,854 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,157 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,835 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,765 |
| Countries That End in Y | 0 | - | 4.91 | 186,094 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,466 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,280 |
| Countries that End in I | 0 | - | 4.94 | 135,319 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,630 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,061 |
| Countries That End in NIA | 0 | - | 4.92 | 110,063 |
| Countries That End in BIA | 0 | - | 4.93 | 149,579 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,555 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,780 |
| Countries That End in RIA | 0 | - | 4.93 | 127,059 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,393 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,598 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,191 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,633 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,185 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,810 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,335 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,541 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,913 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,654 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,736 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,424 |
| Countries that End in L | 0 | - | 4.94 | 157,133 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,047 |
