| Regions of Countries #1 | 0 | - | 4.97 | 158,860 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,229 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,298 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,553 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,673 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,733 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,531 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,910 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,915 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,117 |
| Countries with Four Letters | 0 | - | 4.99 | 418,176 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,677 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,070 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,868,895 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,457 |
| Landlocked Countries | 0 | - | 4.99 | 413,062 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,669 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,766 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,192 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,313 |
| Country Chain | 0 | - | 4.96 | 215,600 |
| Countries by Emojis | 0 | - | 4.99 | 235,908 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,042 |
| Islands by Country #1 | 0 | - | 4.87 | 174,418 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,379 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,624 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,015 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,161 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,316 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,615 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,235 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,336 |
| Himalayan Countries | 0 | - | 4.95 | 135,125 |
| Andean Countries | 0 | - | 4.94 | 82,708 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,123 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,044 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,799 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,502 |
| Danube Countries | 0 | - | 4.97 | 71,016 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,677 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,476 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,336 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,248 |
| European Landlocked Countries | 0 | - | 4.99 | 145,689 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,088 |
| Countries with the Most Species | 0 | - | 4.99 | 95,208 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,243 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,183 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,341 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,339 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,393 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,918 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,533 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,891 |
| Countries in the Alps | 0 | - | 4.87 | 116,718 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,500 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,125 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,961 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,350 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,081 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,945 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,497 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,703 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,700 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,992 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,174 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,007 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,390 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,695 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,696 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,929 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,584 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,279 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,213 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,709 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,940 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,433 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,555 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,296 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,779 |
| Largest Countries By Category | 0 | - | 4.97 | 156,659 |
| Countries by Countries | 0 | - | 4.96 | 62,189 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,564 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,581 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,324 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,612 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,137 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,266 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,304 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,941 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,686 |
| Mountains by Country | 0 | - | 4.64 | 81,527 |
| Random Countries by Borders | 0 | - | 4.99 | 81,602 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,072 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,240 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,905 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,106 |
| Island Countries | 0 | - | 4.99 | 707,338 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,629 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,623 |
| Northernmost Countries | 0 | - | 4.99 | 357,374 |
| Countries of South America | 0 | - | 5.00 | 913,746 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,085 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,984 |
| "Land" Countries | 0 | - | 4.98 | 333,475 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,094 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,551 |
| Companies by Country | 0 | - | 4.56 | 118,631 |
| Landforms by Country | 0 | - | 4.52 | 51,910 |
| Inventions by Country #1 | 0 | - | 4.46 | 54,873 |
| Airlines by Country | 0 | - | 4.52 | 134,727 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,889 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,343 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,917 |
| Countries with Megacities | 0 | - | 4.99 | 246,324 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,841 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,761 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,295 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,701 |
| Countries by Official Language | 0 | - | 4.95 | 192,631 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,943 |
| Countries in their Native Language | 0 | - | 4.99 | 196,506 |
| Independence from Whom | 0 | - | 4.99 | 209,532 |
| Subdivisions by Country | 0 | - | 4.86 | 50,039 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,616 |
| Megadiverse Countries | 0 | - | 4.97 | 133,841 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,682 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,887 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,382 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,571 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,949 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,622 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,081 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,187 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,724 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,435 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,375 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,450 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,464 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,623 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,991 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,402 |
| World Map Quiz | 0 | - | 4.81 | 63,399 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,243 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,203 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,906 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,873 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,558 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,790 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,991 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,194 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,894 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,280 |
| Widest Countries East to West | 0 | - | 4.92 | 128,543 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,197 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,118 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,532 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,638 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,537 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,965 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,036 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,555 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,269 |
| Countries with Double Letters | 0 | - | 4.97 | 93,256 |
| Countries that End in N | 0 | - | 4.94 | 156,329 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,537 |
| Countries with Six Letters | 0 | - | 4.93 | 210,237 |
| Countries with W | 0 | - | 4.97 | 158,141 |
| Countries with Z | 0 | - | 4.98 | 287,696 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,450 |
| Countries That End in U | 0 | - | 4.95 | 119,466 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,404 |
| Countries that End in O | 0 | - | 4.92 | 158,496 |
| Countries that End in R | 0 | - | 4.86 | 118,222 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,819 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,899 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,202 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,409 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,590 |
| Countries That End in Y | 0 | - | 4.90 | 185,167 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,206 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,578 |
| Countries that End in I | 0 | - | 4.94 | 134,331 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,051 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,156 |
| Countries That End in NIA | 0 | - | 4.92 | 108,944 |
| Countries That End in BIA | 0 | - | 4.92 | 147,635 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,999 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,424 |
| Countries That End in RIA | 0 | - | 4.93 | 126,030 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,935 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,036 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,462 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,843 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,282 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,883 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,053 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,579 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,425 |
