| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,248 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,475 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,293 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,325 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,290 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,169 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,330 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,966 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,893 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,959 |
| Random Countries by Borders | 0 | - | 4.99 | 82,272 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,674 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,152 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,312 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,003 |
| Random Country to Capital | 0 | - | 4.98 | 918,297 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,855 |
| Countries with Four Letters | 0 | - | 4.99 | 421,523 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,080 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,787 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,179 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,759 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,232 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,325,710 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,452 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,669 |
| Country Chain | 0 | - | 4.96 | 216,804 |
| Countries by Emojis | 0 | - | 4.99 | 238,623 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,702 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,319 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,780 |
| Islands by Country #1 | 0 | - | 4.88 | 175,098 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,365 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,708 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,621 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,475 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,618 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,031 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,930 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,308 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,918 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,811 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,174 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 718,949 |
| Landlocked Countries | 0 | - | 4.99 | 418,812 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,068 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,099 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,552 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,926 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,933 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,627 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,283 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,932 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,476 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,074 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,496 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,496 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,767 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,526 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,618 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,933 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,980 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,734 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,852 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,564 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,027 |
| Island Countries | 0 | - | 4.99 | 709,692 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,950 |
| Himalayan Countries | 0 | - | 4.94 | 137,374 |
| Andean Countries | 0 | - | 4.95 | 83,910 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,204 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,619 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,817 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,336 |
| Danube Countries | 0 | - | 4.97 | 71,642 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,528 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,044 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,615 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,701 |
| European Landlocked Countries | 0 | - | 4.99 | 146,758 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,112 |
| Countries with the Most Species | 0 | - | 4.99 | 102,893 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,247 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,428 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,583 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,292 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,975 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,352 |
| Countries in the Alps | 0 | - | 4.87 | 117,665 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,118 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,341 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,401 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,967 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,076 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,451 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,265 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,174 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,961 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,541 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,470 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,333 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,911 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,179 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,199 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,149 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,055 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,562 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,502 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,302 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,194 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,989 |
| Largest Countries By Category | 0 | - | 4.97 | 157,617 |
| Countries by Countries | 0 | - | 4.96 | 62,826 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,442 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,190 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,156 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,465 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,473 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,638 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,312 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,912 |
| Northernmost Countries | 0 | - | 4.99 | 360,400 |
| Countries of South America | 0 | - | 5.00 | 922,740 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,802 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,953 |
| "Land" Countries | 0 | - | 4.98 | 335,765 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,099 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,681 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,983 |
| Countries with Megacities | 0 | - | 4.99 | 258,972 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,857 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,970 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,141 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,972 |
| Countries by Official Language | 0 | - | 4.95 | 194,617 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,496 |
| Countries in their Native Language | 0 | - | 4.99 | 198,161 |
| Independence from Whom | 0 | - | 4.99 | 211,278 |
| Subdivisions by Country | 0 | - | 4.86 | 50,281 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,682 |
| Megadiverse Countries | 0 | - | 4.96 | 134,756 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,531 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,179 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,741 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,012 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,694 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,372 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,957 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,835 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,474 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,986 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,922 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,703 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,985 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,764 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,682 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,141 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,317 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,152 |
| World Map Quiz | 0 | - | 4.81 | 64,500 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,548 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,021 |
| Countries by Founding Story | 0 | - | 4.95 | 77,051 |
| Countries by Road Signs | 0 | - | 4.98 | 53,644 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,476 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,914 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,627 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,299 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,504 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,664 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,818 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,255 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,273 |
| Widest Countries East to West | 0 | - | 4.92 | 129,355 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,380 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,945 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,988 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,502 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,208 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,532 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,226 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
| Countries with Double Letters | 0 | - | 4.97 | 95,069 |
| Countries that End in N | 0 | - | 4.95 | 169,948 |
| Countries with Five Letters | 0 | - | 4.96 | 280,053 |
| Countries with Six Letters | 0 | - | 4.94 | 212,450 |
| Countries with W | 0 | - | 4.97 | 159,509 |
| Countries with Z | 0 | - | 4.98 | 289,775 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,720 |
| Countries That End in U | 0 | - | 4.95 | 120,403 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,733 |
| Countries that End in O | 0 | - | 4.92 | 159,188 |
| Countries that End in R | 0 | - | 4.87 | 118,727 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,505 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,309 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,091 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,070 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,656 |
| Countries That End in Y | 0 | - | 4.90 | 185,643 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,208 |
