| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,400 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,645 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,672 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,542 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,060 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,553 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,965 |
| Random Countries by Borders | 0 | - | 4.99 | 81,596 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,056 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,593 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,031 |
| Random Country to Capital | 0 | - | 4.98 | 910,736 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,865,138 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,514 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,903 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,901 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,111 |
| Countries with Four Letters | 0 | - | 4.99 | 418,138 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,011 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,062 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,847 |
| Landlocked Countries | 0 | - | 4.99 | 413,011 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,266 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,253 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,181 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,304 |
| Country Chain | 0 | - | 4.96 | 215,592 |
| Countries by Emojis | 0 | - | 4.99 | 235,890 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,038 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,646 |
| Islands by Country #1 | 0 | - | 4.87 | 174,414 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,854 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,227 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,295 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,034 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,608 |
| Name a Valid Country #1 | 0 | - | 4.99 | 282,994 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,146 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,304 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,604 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,223 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,325 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,843 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,711 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,320 |
| Himalayan Countries | 0 | - | 4.95 | 135,119 |
| Andean Countries | 0 | - | 4.94 | 82,695 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,114 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,032 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,793 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,499 |
| Danube Countries | 0 | - | 4.97 | 71,015 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,667 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,470 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,326 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,241 |
| European Landlocked Countries | 0 | - | 4.99 | 145,684 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,079 |
| Countries with the Most Species | 0 | - | 4.99 | 95,204 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,236 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,180 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,338 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,916 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,530 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,889 |
| Countries in the Alps | 0 | - | 4.87 | 116,715 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,497 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,116 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,957 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,341 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,079 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,944 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,494 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,699 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,545 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,988 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,171 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,005 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,388 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,693 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,691 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,924 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,582 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,209 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,699 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,921 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,420 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,553 |
| Largest Countries By Category | 0 | - | 4.97 | 156,653 |
| Countries by Countries | 0 | - | 4.96 | 62,188 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,257 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,939 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,309 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,679 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,198 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,885 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,083 |
| Island Countries | 0 | - | 4.99 | 707,320 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,577 |
| Northernmost Countries | 0 | - | 4.99 | 357,344 |
| Countries of South America | 0 | - | 5.00 | 913,654 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,012 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,780 |
| "Land" Countries | 0 | - | 4.98 | 333,465 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,330 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,386 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,277 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,294 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,776 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,513 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,552 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,576 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,308 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,603 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,128 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,293 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 76,994 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,549 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,906 |
| Countries with Megacities | 0 | - | 4.99 | 246,297 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,828 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,754 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,286 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,693 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,584 |
| Countries by Official Language | 0 | - | 4.95 | 192,618 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,928 |
| Countries in their Native Language | 0 | - | 4.99 | 196,501 |
| Independence from Whom | 0 | - | 4.99 | 209,522 |
| Subdivisions by Country | 0 | - | 4.86 | 50,036 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,606 |
| Megadiverse Countries | 0 | - | 4.97 | 133,841 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,676 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,883 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,380 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,566 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,946 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,617 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,076 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,186 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,719 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,429 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,374 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,447 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,462 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,619 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,987 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,743 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,387 |
| World Map Quiz | 0 | - | 4.81 | 63,395 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,311 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,238 |
| Countries by Founding Story | 0 | - | 4.95 | 76,462 |
| Countries by Road Signs | 0 | - | 4.98 | 53,013 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,196 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,901 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,867 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,549 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,788 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,987 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,191 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,890 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,278 |
| Widest Countries East to West | 0 | - | 4.92 | 128,542 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,196 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,105 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,531 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,636 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,532 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,965 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,035 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,554 |
| Countries with Double Letters | 0 | - | 4.97 | 93,251 |
| Countries that End in N | 0 | - | 4.94 | 156,319 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,527 |
| Countries with Six Letters | 0 | - | 4.93 | 210,226 |
| Countries with W | 0 | - | 4.97 | 158,128 |
| Countries with Z | 0 | - | 4.98 | 287,631 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,449 |
| Countries That End in U | 0 | - | 4.95 | 119,460 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,388 |
| Countries that End in O | 0 | - | 4.92 | 158,492 |
| Countries that End in R | 0 | - | 4.86 | 118,214 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,818 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,891 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,198 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,402 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,586 |
| Countries That End in Y | 0 | - | 4.90 | 185,163 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,203 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,574 |
| Countries that End in I | 0 | - | 4.94 | 134,325 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,046 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,152 |
| Countries That End in NIA | 0 | - | 4.92 | 108,943 |
| Countries That End in BIA | 0 | - | 4.92 | 147,630 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,995 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,424 |
| Countries That End in RIA | 0 | - | 4.93 | 126,029 |
