| Solve the Secret Country #1 | 0 | - | 4.93 | 167,565 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,894 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,334 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,531 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,879 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,647,015 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,710 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,781,534 |
| Landlocked Countries | 0 | - | 4.99 | 424,526 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,798 |
| Countries with Four Letters | 0 | - | 4.99 | 425,149 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,796,303 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,633 |
| Himalayan Countries | 0 | - | 4.94 | 139,776 |
| Andean Countries | 0 | - | 4.94 | 85,186 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,365 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,643 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,934 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,225 |
| Danube Countries | 0 | - | 4.97 | 72,274 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,419 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,705 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,856 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,358 |
| European Landlocked Countries | 0 | - | 4.99 | 147,456 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,086 |
| Countries with the Most Species | 0 | - | 4.99 | 103,486 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,230 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,710 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,822 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,746 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,746 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,159 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,477 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,906 |
| Countries in the Alps | 0 | - | 4.87 | 118,582 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,319 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,598 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,873 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,887 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,816 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,138 |
| Country Chain | 0 | - | 4.96 | 218,220 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,214 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,759 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,335 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,067 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,794 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,662 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,452 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,686 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,772 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,523 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,523 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,539 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,487 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,208 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,844 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,429 |
| Largest Countries By Category | 0 | - | 4.97 | 158,653 |
| Countries by Emojis | 0 | - | 4.99 | 241,443 |
| Countries by Countries | 0 | - | 4.96 | 63,510 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,444 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,202 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,097 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,644 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,985 |
| Islands by Country #1 | 0 | - | 4.90 | 176,166 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,113 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,441 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,305 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,421 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,572 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,403 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,651 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,692 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,577 |
| Name a Valid Country #6 | 0 | - | 4.95 | 143,916 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 739,209 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,381 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,309 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,978 |
| Island Countries | 0 | - | 4.99 | 712,077 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,293 |
| Northernmost Countries | 0 | - | 4.99 | 363,410 |
| Countries of South America | 0 | - | 5.00 | 930,936 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,278 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,455 |
| "Land" Countries | 0 | - | 4.98 | 338,063 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,574 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,599 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,551 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,005 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,813 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,763 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,259 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,535 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,770 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,721 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,411 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,781 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,452 |
| Random Countries by Borders | 0 | - | 4.99 | 82,909 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,311 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,813 |
| Countries with Megacities | 0 | - | 4.99 | 266,417 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,521 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,918 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,815 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,039 |
| Countries by Official Language | 0 | - | 4.95 | 195,774 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,310 |
| Countries in their Native Language | 0 | - | 4.99 | 199,557 |
| Independence from Whom | 0 | - | 4.99 | 212,767 |
| Subdivisions by Country | 0 | - | 4.87 | 50,569 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,231 |
| Megadiverse Countries | 0 | - | 4.96 | 135,199 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,762 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,481 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,383 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,183 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,445 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,764 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,920 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,510 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,777 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,223 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,215 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,312 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,378 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,103 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,515 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,635 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,036 |
| World Map Quiz | 0 | - | 4.81 | 65,461 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,626 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,588 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,005 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,948 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,436 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,237 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,292 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,412 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,607 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,621 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,156 |
| Widest Countries East to West | 0 | - | 4.92 | 130,324 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,561 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,109 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,471 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,983 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,865 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,365 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,467 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,865 |
| Countries with Double Letters | 0 | - | 4.96 | 96,818 |
| Countries that End in N | 0 | - | 4.95 | 171,693 |
| Countries with Five Letters | 0 | - | 4.96 | 283,406 |
| Countries with Six Letters | 0 | - | 4.94 | 214,178 |
| Countries with W | 0 | - | 4.96 | 160,756 |
| Countries with Z | 0 | - | 4.98 | 292,138 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,104 |
| Countries That End in U | 0 | - | 4.95 | 121,080 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,915 |
| Countries that End in O | 0 | - | 4.92 | 159,725 |
| Countries that End in R | 0 | - | 4.87 | 119,116 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,866 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,600 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,012 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,723 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,649 |
| Countries That End in Y | 0 | - | 4.91 | 186,029 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,300 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,142 |
| Countries that End in I | 0 | - | 4.94 | 135,257 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,468 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,980 |
| Countries That End in NIA | 0 | - | 4.92 | 109,966 |
| Countries That End in BIA | 0 | - | 4.93 | 149,466 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,402 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,670 |
| Countries That End in RIA | 0 | - | 4.93 | 126,984 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,268 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,292 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,033 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,465 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,041 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,739 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,235 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,511 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,790 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,586 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,590 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,275 |
| Countries that End in L | 0 | - | 4.94 | 157,042 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 217,020 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,317 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,860 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,549 |
