| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 384,916 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,631 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,696 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,889 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,390 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,662 |
| Islands by Country #1 | 0 | - | 4.90 | 175,488 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,433 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,208 |
| Random Countries by Borders | 0 | - | 4.99 | 82,661 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,138 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,633,251 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,656 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,873 |
| Random Country to Capital | 0 | - | 4.98 | 922,879 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,576 |
| Countries with Four Letters | 0 | - | 4.99 | 423,384 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,266 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,395 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,947 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,811 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,763 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,885 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,012 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,935 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,599,544 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,088 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,382 |
| Country Chain | 0 | - | 4.96 | 217,418 |
| Countries by Emojis | 0 | - | 4.99 | 240,463 |
| African Island Countries | 0 | - | 4.96 | 101,881 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,118 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,794 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,651 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,045 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,815 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,690 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,322 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,522 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,687 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,686 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,987 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,730 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,092 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 722,889 |
| Landlocked Countries | 0 | - | 4.99 | 422,175 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,218 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,188 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,361 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,279 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,866 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,612 |
| Richest Island Countries | 0 | - | 4.85 | 100,799 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,950 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,350 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,721 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,636 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,655 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,148 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,171 |
| Islands by Country #2 | 0 | - | 4.80 | 77,555 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,208 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,455 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,742 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,573 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,466 |
| Island Countries | 0 | - | 4.99 | 711,123 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,589 |
| Himalayan Countries | 0 | - | 4.95 | 138,841 |
| Andean Countries | 0 | - | 4.93 | 84,671 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,871 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,911 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,500 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,846 |
| Danube Countries | 0 | - | 4.97 | 72,039 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,052 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,449 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,356 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,840 |
| European Landlocked Countries | 0 | - | 4.99 | 147,166 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,684 |
| Countries with the Most Species | 0 | - | 4.99 | 103,266 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,804 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,605 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,729 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,557 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,249 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,687 |
| Countries in the Alps | 0 | - | 4.87 | 118,237 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,247 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,070 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,676 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,621 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,544 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,964 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,697 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,514 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,194 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,874 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,668 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,540 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,243 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,496 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,546 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,961 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,332 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,046 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,121 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,051 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,187 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,251 |
| Largest Countries By Category | 0 | - | 4.97 | 158,251 |
| Countries by Countries | 0 | - | 4.96 | 63,260 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,216 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,714 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,297 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,047 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,692 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,147 |
| Northernmost Countries | 0 | - | 4.99 | 362,055 |
| Countries of South America | 0 | - | 5.00 | 927,653 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,369 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,987 |
| "Land" Countries | 0 | - | 4.98 | 337,402 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,720 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,418 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,660 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,729 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,776 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,269 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,522 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,045 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,952 |
| Countries with Megacities | 0 | - | 4.99 | 264,676 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,784 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,498 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,052 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,572 |
| Countries by Official Language | 0 | - | 4.95 | 195,292 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,432 |
| Countries in their Native Language | 0 | - | 4.99 | 199,083 |
| Independence from Whom | 0 | - | 4.99 | 212,153 |
| Subdivisions by Country | 0 | - | 4.86 | 50,438 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,766 |
| Megadiverse Countries | 0 | - | 4.96 | 135,033 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,129 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,371 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,245 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,115 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,163 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,607 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,503 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,048 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,670 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,154 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,708 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,897 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,219 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,980 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,897 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,364 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,506 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,244 |
| World Map Quiz | 0 | - | 4.81 | 65,120 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,397 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 126,785 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,371 |
| Countries by Founding Story | 0 | - | 4.95 | 77,392 |
| Countries by Road Signs | 0 | - | 4.98 | 54,028 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,130 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,307 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,017 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,264 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,918 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,029 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,321 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,450 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,587 |
| Widest Countries East to West | 0 | - | 4.92 | 129,667 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,462 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,400 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,127 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,781 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,614 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,884 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,379 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,802 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,081 |
| Countries with Double Letters | 0 | - | 4.96 | 96,265 |
| Countries that End in N | 0 | - | 4.95 | 171,158 |
| Countries with Five Letters | 0 | - | 4.96 | 282,550 |
| Countries with Six Letters | 0 | - | 4.94 | 213,592 |
| Countries with W | 0 | - | 4.97 | 160,348 |
| Countries with Z | 0 | - | 4.98 | 291,500 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,724 |
| Countries That End in U | 0 | - | 4.95 | 120,864 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,486 |
| Countries that End in O | 0 | - | 4.92 | 159,518 |
| Countries that End in R | 0 | - | 4.87 | 118,975 |
