| Landforms by Country | 0 | - | 4.52 | 51,972 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,774 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,625,369 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,102,384 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,848 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,193 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,007 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,868 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,479 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,568 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,124 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,216 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,412 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,424 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,478 |
| Countries with Four Letters | 0 | - | 4.99 | 422,651 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,482 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,671 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,676 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,484,640 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,816 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,767 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,184 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,202 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,765 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,725 |
| Country Chain | 0 | - | 4.96 | 217,143 |
| Countries by Emojis | 0 | - | 4.99 | 239,843 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,971 |
| Islands by Country #1 | 0 | - | 4.88 | 175,326 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,561 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,915 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,747 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,893 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,281 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,144 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,133 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,848 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,712 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,118 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,508 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,357 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,962 |
| Landlocked Countries | 0 | - | 4.99 | 420,826 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,773 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,678 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,982 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,233 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,150 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,775 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,499 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,747 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,232 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,186 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,155 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,271 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,887 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,689 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,712 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,532 |
| National Animals | 0 | - | 4.24 | 89,694 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,116 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,107 |
| Random Countries by Borders | 0 | - | 4.99 | 82,481 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,659 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,142 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,768 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,541 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,142 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,451 |
| Island Countries | 0 | - | 4.99 | 710,554 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,896 |
| Himalayan Countries | 0 | - | 4.95 | 138,216 |
| Andean Countries | 0 | - | 4.95 | 84,331 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,555 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,440 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,180 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,605 |
| Danube Countries | 0 | - | 4.97 | 71,865 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,840 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,269 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,041 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,507 |
| European Landlocked Countries | 0 | - | 4.99 | 147,006 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,423 |
| Countries with the Most Species | 0 | - | 4.99 | 103,126 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,572 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,523 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,459 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,137 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,536 |
| Countries in the Alps | 0 | - | 4.87 | 118,008 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,021 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,789 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,562 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,479 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,350 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,851 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,503 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,367 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,097 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,724 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,574 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,433 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,097 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,371 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,393 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,610 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,195 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,715 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,860 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,352 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,756 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,131 |
| Largest Countries By Category | 0 | - | 4.97 | 157,978 |
| Countries by Countries | 0 | - | 4.96 | 63,051 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,535 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,505 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,103 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,228 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,522 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,547 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,294 |
| Northernmost Countries | 0 | - | 4.99 | 361,388 |
| Companies by Country | 0 | - | 4.61 | 119,683 |
| Countries of South America | 0 | - | 5.00 | 925,508 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,598 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,927 |
| "Land" Countries | 0 | - | 4.98 | 336,851 |
| African Great Lakes | 0 | - | 4.82 | 66,287 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,248 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,434 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,881 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,216 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,457 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,573 |
| Countries with Megacities | 0 | - | 4.99 | 263,682 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,412 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,302 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,687 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,341 |
| Countries by Official Language | 0 | - | 4.95 | 194,999 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,036 |
| Countries in their Native Language | 0 | - | 4.99 | 198,507 |
| Independence from Whom | 0 | - | 4.99 | 211,787 |
| Subdivisions by Country | 0 | - | 4.86 | 50,379 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,134 |
| Megadiverse Countries | 0 | - | 4.96 | 134,909 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,859 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,280 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 977,143 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,860 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,067 |
| South China Sea Countries | 0 | - | 4.78 | 57,712 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,958 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,502 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,270 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,959 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,986 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,583 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,894 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,048 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,411 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,806 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,118 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,895 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,266 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,429 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,524 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,802 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,721 |
| World Map Quiz | 0 | - | 4.81 | 64,920 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,559 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,226 |
| Countries by Founding Story | 0 | - | 4.95 | 77,251 |
| Countries by Road Signs | 0 | - | 4.98 | 53,863 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,846 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,130 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,854 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,859 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,759 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,892 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,198 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,371 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,470 |
| Widest Countries East to West | 0 | - | 4.92 | 129,539 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,420 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,219 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,075 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,660 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,445 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,729 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,325 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,772 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,742 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,128 |
| Countries with Double Letters | 0 | - | 4.97 | 95,804 |
| Countries that End in N | 0 | - | 4.95 | 170,744 |
| Countries with Five Letters | 0 | - | 4.96 | 281,815 |