| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 387,744 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,928 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,651,756 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,122,733 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,988 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,720 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,853 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,865 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,416 |
| Random Countries by Borders | 0 | - | 4.99 | 83,072 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,589 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,231 |
| Random Country to Capital | 0 | - | 4.98 | 927,782 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,220 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,128 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,357 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,630 |
| Countries with Four Letters | 0 | - | 4.99 | 425,708 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,878 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,062 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,864,275 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,868 |
| Landlocked Countries | 0 | - | 4.99 | 425,600 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,571 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,740 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 742,080 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,956 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,355 |
| Country Chain | 0 | - | 4.96 | 218,412 |
| Countries by Emojis | 0 | - | 4.99 | 242,339 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,565 |
| Islands by Country #1 | 0 | - | 4.90 | 176,312 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,207 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,533 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,374 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,241 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,954 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,158 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,092 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,105 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,976 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,033 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,807 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,924 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,988 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,145 |
| Himalayan Countries | 0 | - | 4.93 | 140,152 |
| Andean Countries | 0 | - | 4.94 | 85,387 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,532 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,924 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,110 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,387 |
| Danube Countries | 0 | - | 4.97 | 72,355 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,556 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,805 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,069 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,564 |
| European Landlocked Countries | 0 | - | 4.99 | 147,584 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,261 |
| Countries with the Most Species | 0 | - | 4.99 | 103,547 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,373 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,768 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,873 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,709 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,696 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,824 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,562 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,988 |
| Countries in the Alps | 0 | - | 4.87 | 118,743 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,568 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,823 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,945 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,005 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,926 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,232 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,373 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,836 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,406 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,154 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,853 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,731 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,540 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,765 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,869 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,781 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,592 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,645 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,775 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,637 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,597 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,096 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,490 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,080 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,902 |
| Largest Countries By Category | 0 | - | 4.97 | 158,827 |
| Countries by Countries | 0 | - | 4.96 | 63,622 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,429 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,661 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,131 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,075 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,688 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,225 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,007 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,391 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,660 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,415 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,262 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,089 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,518 |
| Name a Valid Island Country | 0 | - | 4.97 | 129,925 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,264 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,629 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,591 |
| Island Countries | 0 | - | 4.99 | 712,489 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,190 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,498 |
| Northernmost Countries | 0 | - | 4.99 | 363,904 |
| Countries of South America | 0 | - | 5.00 | 932,375 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,004 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,596 |
| "Land" Countries | 0 | - | 4.98 | 338,340 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,865 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,024 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,859 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,418 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,097 |
| Countries with Megacities | 0 | - | 4.99 | 267,009 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,801 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,102 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,117 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,217 |
| Countries by Official Language | 0 | - | 4.95 | 195,960 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,588 |
| Countries in their Native Language | 0 | - | 4.99 | 199,705 |
| Independence from Whom | 0 | - | 4.99 | 213,017 |
| Subdivisions by Country | 0 | - | 4.87 | 50,606 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,405 |
| Megadiverse Countries | 0 | - | 4.96 | 135,270 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,920 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,530 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,625 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,224 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,814 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,836 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,095 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,565 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,007 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,250 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,497 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,365 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,437 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,139 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,147 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,569 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,820 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,308 |
| World Map Quiz | 0 | - | 4.81 | 65,695 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,155 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,700 |
| Countries by Founding Story | 0 | - | 4.95 | 77,783 |
| Countries by Road Signs | 0 | - | 4.98 | 54,335 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,216 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,061 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,543 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,529 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,416 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,516 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,709 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,681 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,674 |
| Widest Countries East to West | 0 | - | 4.92 | 130,443 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,594 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,238 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,512 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,054 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,956 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,468 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,494 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,888 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,891 |
| Countries with Double Letters | 0 | - | 4.96 | 97,033 |
| Countries that End in N | 0 | - | 4.95 | 171,895 |
| Countries with Five Letters | 0 | - | 4.96 | 283,711 |
| Countries with Six Letters | 0 | - | 4.94 | 214,439 |
| Countries with W | 0 | - | 4.96 | 160,908 |
| Countries with Z | 0 | - | 4.98 | 292,399 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,264 |
| Countries That End in U | 0 | - | 4.95 | 121,176 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,077 |
| Countries that End in O | 0 | - | 4.92 | 160,198 |
| Countries that End in R | 0 | - | 4.87 | 119,175 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,928 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,806 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,131 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,813 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,740 |
| Countries That End in Y | 0 | - | 4.91 | 186,082 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,436 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,259 |
| Countries that End in I | 0 | - | 4.94 | 135,309 |
