| Country Chain | 0 | - | 4.96 | 216,284 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,600,207 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,119 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,947 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,686 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,476 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,689 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,103,538 |
| Landlocked Countries | 0 | - | 4.99 | 415,874 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,093,013 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,707 |
| Countries with Four Letters | 0 | - | 4.99 | 419,899 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,144 |
| Capital Cities Chain | 0 | - | 4.84 | 82,162 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,531 |
| Himalayan Countries | 0 | - | 4.95 | 136,173 |
| Andean Countries | 0 | - | 4.95 | 83,278 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,577 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,770 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,274 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,901 |
| Danube Countries | 0 | - | 4.97 | 71,319 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,084 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,773 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,987 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,944 |
| European Landlocked Countries | 0 | - | 4.99 | 146,023 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,633 |
| Countries with the Most Species | 0 | - | 4.99 | 95,381 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,767 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,292 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,465 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,792 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,102 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,916 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,748 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,125 |
| Countries in the Alps | 0 | - | 4.86 | 117,218 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,823 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,717 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,199 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,646 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,450 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,194 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,884 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,937 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,738 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,273 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,305 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,173 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,663 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,924 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,937 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,574 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,837 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,377 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,113 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,584 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,384 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,771 |
| Largest Countries By Category | 0 | - | 4.97 | 157,143 |
| Countries by Emojis | 0 | - | 4.99 | 237,552 |
| Countries by Countries | 0 | - | 4.96 | 62,508 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,363 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,215 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,764 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,051 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,394 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,022 |
| Islands by Country #1 | 0 | - | 4.87 | 174,743 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,121 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,471 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,462 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,683 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,124 |
| Name a Valid Country #1 | 0 | - | 4.99 | 286,082 |
| Name a Valid Country #2 | 0 | - | 4.98 | 248,261 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,402 |
| Name a Valid Country #5 | 0 | - | 4.99 | 202,027 |
| Name a Valid Country #6 | 0 | - | 4.94 | 127,820 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 715,170 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,281 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,422 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,119 |
| Island Countries | 0 | - | 4.99 | 708,554 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,439 |
| Northernmost Countries | 0 | - | 4.99 | 358,998 |
| Countries of South America | 0 | - | 5.00 | 918,633 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,418 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,192 |
| "Land" Countries | 0 | - | 4.98 | 334,252 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,791 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,640 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,660 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,472 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,058 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,541 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,089 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,853 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,427 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,574 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,993 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,926 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,992 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,752 |
| Random Countries by Borders | 0 | - | 4.99 | 81,883 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,859 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,070 |
| Countries with Megacities | 0 | - | 4.99 | 248,545 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,954 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,443 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,329 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,386 |
| Countries by Official Language | 0 | - | 4.95 | 193,699 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,198 |
| Countries in their Native Language | 0 | - | 4.99 | 197,382 |
| Independence from Whom | 0 | - | 4.99 | 210,356 |
| Subdivisions by Country | 0 | - | 4.86 | 50,167 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,190 |
| Megadiverse Countries | 0 | - | 4.96 | 134,496 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,579 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,047 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,580 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,930 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,951 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,167 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,448 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,497 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,322 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,053 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,548 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,648 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,618 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,822 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,156 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,301 |
| World Map Quiz | 0 | - | 4.81 | 63,919 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,977 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,642 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,911 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,592 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,309 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,499 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,179 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,377 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,563 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,106 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,584 |
| Widest Countries East to West | 0 | - | 4.92 | 129,083 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,304 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,563 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,673 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,908 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,903 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,291 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,942 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,655 |
| Countries with Double Letters | 0 | - | 4.96 | 93,800 |
| Countries that End in N | 0 | - | 4.94 | 157,233 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,188 |
| Countries with Six Letters | 0 | - | 4.93 | 210,825 |
| Countries with W | 0 | - | 4.97 | 158,492 |
| Countries with Z | 0 | - | 4.98 | 288,381 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,844 |
| Countries That End in U | 0 | - | 4.95 | 119,656 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,984 |
| Countries that End in O | 0 | - | 4.92 | 158,691 |
| Countries that End in R | 0 | - | 4.87 | 118,402 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,960 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,533 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,622 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,707 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,272 |
| Countries That End in Y | 0 | - | 4.90 | 185,313 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,712 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,990 |
| Countries that End in I | 0 | - | 4.94 | 134,586 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,577 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,346 |
| Countries That End in NIA | 0 | - | 4.92 | 109,200 |
| Countries That End in BIA | 0 | - | 4.92 | 148,383 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,327 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,697 |
| Countries That End in RIA | 0 | - | 4.93 | 126,246 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,235 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,895 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,755 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,113 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,656 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,066 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,346 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,863 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,754 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,933 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,419 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,085 |
| Countries that End in L | 0 | - | 4.94 | 156,200 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,494 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,035 |
