| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,717 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,618,332 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,099,650 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,450 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,512 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,371 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,402 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,317 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,099 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,251 |
| Random Countries by Borders | 0 | - | 4.99 | 82,345 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,852 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,248 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,388 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,378 |
| Random Country to Capital | 0 | - | 4.98 | 919,373 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 449,956 |
| Countries with Four Letters | 0 | - | 4.99 | 421,918 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,390 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,062 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,336 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,931 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,417 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,381,389 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,168 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 179,279 |
| Country Chain | 0 | - | 4.96 | 216,948 |
| Countries by Emojis | 0 | - | 4.99 | 239,247 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,818 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,502 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,199 |
| Islands by Country #1 | 0 | - | 4.88 | 175,186 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,439 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,787 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,673 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,725 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,214 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,347 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,245 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,628 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,157 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,037 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,409 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,770 |
| Landlocked Countries | 0 | - | 4.99 | 419,562 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,915 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,238 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,757 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,066 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,020 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,697 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,381 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,006 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,578 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,129 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,783 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,763 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,977 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,674 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,689 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,277 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,023 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,820 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,538 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,769 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,518 |
| Island Countries | 0 | - | 4.99 | 710,029 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,255 |
| Himalayan Countries | 0 | - | 4.95 | 137,703 |
| Andean Countries | 0 | - | 4.95 | 84,072 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,311 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,828 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,938 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,429 |
| Danube Countries | 0 | - | 4.97 | 71,728 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,649 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,122 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,764 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,839 |
| European Landlocked Countries | 0 | - | 4.99 | 146,847 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,214 |
| Countries with the Most Species | 0 | - | 4.99 | 102,988 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,375 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,452 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,611 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,355 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,029 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,422 |
| Countries in the Alps | 0 | - | 4.87 | 117,792 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,204 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,501 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,458 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,141 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,172 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,762 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,355 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,250 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,012 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,612 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,517 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,365 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,976 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,243 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,265 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,312 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,101 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,610 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,635 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,653 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,387 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,034 |
| Largest Countries By Category | 0 | - | 4.97 | 157,757 |
| Countries by Countries | 0 | - | 4.96 | 62,913 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,153 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,304 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,176 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,484 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,753 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,710 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,393 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,763 |
| Northernmost Countries | 0 | - | 4.99 | 360,775 |
| Countries of South America | 0 | - | 5.00 | 923,827 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,338 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,600 |
| "Land" Countries | 0 | - | 4.98 | 335,947 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,239 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,952 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,205 |
| Countries with Megacities | 0 | - | 4.99 | 262,077 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,056 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,091 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,355 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,130 |
| Countries by Official Language | 0 | - | 4.95 | 194,764 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,697 |
| Countries in their Native Language | 0 | - | 4.99 | 198,309 |
| Independence from Whom | 0 | - | 4.99 | 211,482 |
| Subdivisions by Country | 0 | - | 4.86 | 50,315 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,828 |
| Megadiverse Countries | 0 | - | 4.96 | 134,813 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,634 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,213 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,788 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,033 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,783 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,419 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,063 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,880 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,521 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,009 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,130 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,750 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,024 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,818 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,723 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,186 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,365 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,370 |
| World Map Quiz | 0 | - | 4.81 | 64,698 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,885 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,100 |
| Countries by Founding Story | 0 | - | 4.95 | 77,125 |
| Countries by Road Signs | 0 | - | 4.98 | 53,717 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,638 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,006 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,726 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,521 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,600 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,745 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,888 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,305 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,340 |
| Widest Countries East to West | 0 | - | 4.92 | 129,429 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,401 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,030 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,019 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,566 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,299 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,617 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,267 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,738 |
| Countries with Double Letters | 0 | - | 4.97 | 95,190 |
| Countries that End in N | 0 | - | 4.95 | 170,198 |
| Countries with Five Letters | 0 | - | 4.96 | 280,852 |
| Countries with Six Letters | 0 | - | 4.94 | 212,632 |
| Countries with W | 0 | - | 4.97 | 159,591 |
| Countries with Z | 0 | - | 4.98 | 290,083 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,832 |
| Countries That End in U | 0 | - | 4.95 | 120,447 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,850 |
| Countries that End in O | 0 | - | 4.92 | 159,232 |
| Countries that End in R | 0 | - | 4.87 | 118,757 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,537 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,448 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,192 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,135 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,737 |
| Countries That End in Y | 0 | - | 4.91 | 185,672 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,355 |
