| Solve the Secret Country #1 | 0 | - | 4.93 | 168,666 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,816 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,909 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,176 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,127,815 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,658,918 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,305 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,958,625 |
| Landlocked Countries | 0 | - | 4.99 | 427,127 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,024 |
| Countries with Four Letters | 0 | - | 4.99 | 426,370 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,433 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,706 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,864 |
| Himalayan Countries | 0 | - | 4.93 | 140,774 |
| Andean Countries | 0 | - | 4.94 | 85,771 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,894 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,461 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,448 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,673 |
| Danube Countries | 0 | - | 4.97 | 72,529 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,775 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,963 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,411 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,884 |
| European Landlocked Countries | 0 | - | 4.99 | 147,723 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,517 |
| Countries with the Most Species | 0 | - | 4.99 | 103,636 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,614 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,808 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,949 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,273 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,911 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,642 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,668 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,119 |
| Countries in the Alps | 0 | - | 4.87 | 118,949 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,957 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,095 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,049 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,157 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,110 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,374 |
| Country Chain | 0 | - | 4.96 | 218,637 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,574 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,981 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,506 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,301 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,947 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,823 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,661 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,913 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,013 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,117 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,721 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,351 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,827 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,240 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,460 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,606 |
| Largest Countries By Category | 0 | - | 4.97 | 159,064 |
| Countries by Emojis | 0 | - | 4.99 | 242,803 |
| Countries by Countries | 0 | - | 4.97 | 63,793 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,696 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,281 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,416 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,443 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,703 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,213 |
| Islands by Country #1 | 0 | - | 4.90 | 176,475 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,333 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,648 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,462 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,471 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,339 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,001 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,554 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,549 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,364 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,609 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,130 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,479 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,005 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,280 |
| Island Countries | 0 | - | 4.99 | 712,954 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,004 |
| Northernmost Countries | 0 | - | 4.99 | 364,533 |
| Countries of South America | 0 | - | 5.00 | 934,068 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,239 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,566 |
| "Land" Countries | 0 | - | 4.98 | 338,937 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,884 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,809 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,759 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,178 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,012 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,683 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,656 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,853 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,566 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,413 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,982 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,320 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,617 |
| Random Countries by Borders | 0 | - | 4.99 | 83,188 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,873 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,464 |
| Countries with Megacities | 0 | - | 4.99 | 267,770 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,112 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,318 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,448 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,421 |
| Countries by Official Language | 0 | - | 4.95 | 196,187 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,903 |
| Countries in their Native Language | 0 | - | 4.99 | 199,935 |
| Independence from Whom | 0 | - | 4.99 | 213,374 |
| Subdivisions by Country | 0 | - | 4.87 | 50,662 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,634 |
| Megadiverse Countries | 0 | - | 4.96 | 148,637 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,117 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,570 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,797 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,256 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,449 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,915 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,265 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,619 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,158 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,284 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,739 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,477 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,497 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,212 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,630 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,957 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,694 |
| World Map Quiz | 0 | - | 4.81 | 65,913 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,819 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,793 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,482 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,218 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,689 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,886 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,535 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,647 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,840 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,758 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,922 |
| Widest Countries East to West | 0 | - | 4.92 | 130,831 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,626 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,383 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,556 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,149 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,092 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,597 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,531 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,921 |
| Countries with Double Letters | 0 | - | 4.96 | 97,582 |
| Countries that End in N | 0 | - | 4.95 | 172,595 |
| Countries with Five Letters | 0 | - | 4.96 | 284,586 |
| Countries with Six Letters | 0 | - | 4.94 | 214,916 |
| Countries with W | 0 | - | 4.96 | 161,282 |
| Countries with Z | 0 | - | 4.98 | 292,961 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,645 |
| Countries That End in U | 0 | - | 4.95 | 121,374 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,397 |
| Countries that End in O | 0 | - | 4.92 | 160,358 |
| Countries that End in R | 0 | - | 4.87 | 119,272 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,053 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,120 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 185,083 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,164 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,686 |
| Countries That End in Y | 0 | - | 4.91 | 186,165 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,202 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,403 |
| Countries that End in I | 0 | - | 4.94 | 135,415 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,212 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,139 |
| Countries That End in NIA | 0 | - | 4.92 | 110,151 |
| Countries That End in BIA | 0 | - | 4.93 | 149,726 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,917 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,888 |
| Countries That End in RIA | 0 | - | 4.93 | 127,138 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,532 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,904 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,367 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,831 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,384 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,915 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,442 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,598 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,040 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,728 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,890 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,590 |
| Countries that End in L | 0 | - | 4.94 | 157,236 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,536 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,377 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,878 |
