| Landforms by Country | 0 | - | 4.52 | 52,025 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,487 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,655,216 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,126,071 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,520 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,659 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,749 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,369 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,583 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,771 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,370 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,625 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,760 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,627 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,709 |
| Countries with Four Letters | 0 | - | 4.99 | 426,024 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,978 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,131 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,016 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,909,777 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,954 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,974 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,410 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 743,632 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,132 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,493 |
| Country Chain | 0 | - | 4.96 | 218,519 |
| Countries by Emojis | 0 | - | 4.99 | 242,590 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,624 |
| Islands by Country #1 | 0 | - | 4.90 | 176,407 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,276 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,599 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,423 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,193 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,688 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,145 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,558 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,322 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,317 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,170 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,375 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,952 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,236 |
| Landlocked Countries | 0 | - | 4.99 | 426,350 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,985 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,871 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,799 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,755 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,695 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,132 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,966 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,543 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,752 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,303 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,206 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,824 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,186 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,618 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,448 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,182 |
| National Animals | 0 | - | 4.24 | 90,239 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,575 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,648 |
| Random Countries by Borders | 0 | - | 4.99 | 83,123 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,178 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,728 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,893 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,816 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,809 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,924 |
| Island Countries | 0 | - | 4.99 | 712,710 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,475 |
| Himalayan Countries | 0 | - | 4.93 | 140,426 |
| Andean Countries | 0 | - | 4.94 | 85,568 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,719 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,164 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,279 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,520 |
| Danube Countries | 0 | - | 4.97 | 72,453 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,665 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,886 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,228 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,702 |
| European Landlocked Countries | 0 | - | 4.99 | 147,649 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,367 |
| Countries with the Most Species | 0 | - | 4.99 | 103,593 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,475 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,904 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,870 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,605 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,054 |
| Countries in the Alps | 0 | - | 4.87 | 118,835 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,742 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,964 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,995 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,071 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,010 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,300 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,455 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,902 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,453 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,220 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,906 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,769 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,590 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,833 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,928 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,945 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,647 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,040 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,728 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,889 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,255 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,544 |
| Largest Countries By Category | 0 | - | 4.97 | 158,929 |
| Countries by Countries | 0 | - | 4.96 | 63,689 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,892 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,309 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,108 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,420 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,685 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,133 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,212 |
| Northernmost Countries | 0 | - | 4.99 | 364,207 |
| Companies by Country | 0 | - | 4.61 | 120,459 |
| Countries of South America | 0 | - | 5.00 | 933,226 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,177 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,576 |
| "Land" Countries | 0 | - | 4.98 | 338,504 |
| African Great Lakes | 0 | - | 4.82 | 67,012 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,541 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,010 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,040 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,764 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,652 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,280 |
| Countries with Megacities | 0 | - | 4.99 | 267,365 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,953 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,208 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,271 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,312 |
| Countries by Official Language | 0 | - | 4.95 | 196,081 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,736 |
| Countries in their Native Language | 0 | - | 4.99 | 199,808 |
| Independence from Whom | 0 | - | 4.99 | 213,178 |
| Subdivisions by Country | 0 | - | 4.87 | 50,636 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,535 |
| Megadiverse Countries | 0 | - | 4.96 | 139,627 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,005 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,552 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 982,769 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,737 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,234 |
| South China Sea Countries | 0 | - | 4.78 | 57,863 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,330 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,878 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,163 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,584 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,188 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,104 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,075 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,268 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,618 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,407 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,458 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,167 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,600 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,901 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,754 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,469 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,709 |
| World Map Quiz | 0 | - | 4.81 | 65,798 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,468 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,746 |
| Countries by Founding Story | 0 | - | 4.95 | 77,843 |
| Countries by Road Signs | 0 | - | 4.98 | 54,383 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,348 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,143 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,607 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,690 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,476 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,590 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,785 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,715 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,815 |
| Widest Countries East to West | 0 | - | 4.92 | 130,762 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,610 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,293 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,529 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,090 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,023 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,513 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,514 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,902 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,062 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,996 |
| Countries with Double Letters | 0 | - | 4.96 | 97,177 |
| Countries that End in N | 0 | - | 4.95 | 172,118 |
| Countries with Five Letters | 0 | - | 4.96 | 284,125 |
