| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,750 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,626,223 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,102,637 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,693 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,012 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,706 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,540 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,946 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,503 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,740 |
| Random Countries by Borders | 0 | - | 4.99 | 82,497 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,176 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,402 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,539 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,370 |
| Random Country to Capital | 0 | - | 4.98 | 921,150 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,058 |
| Countries with Four Letters | 0 | - | 4.99 | 422,745 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,927 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,532 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,591 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,295 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,699 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,495,751 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,792 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,801 |
| Country Chain | 0 | - | 4.96 | 217,172 |
| Countries by Emojis | 0 | - | 4.99 | 239,915 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,986 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,733 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,893 |
| Islands by Country #1 | 0 | - | 4.88 | 175,338 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,570 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,925 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,756 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,192 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,232 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,910 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,775 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,161 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,557 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,395 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,755 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,383 |
| Landlocked Countries | 0 | - | 4.99 | 420,943 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,770,754 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,486 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,996 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,240 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,165 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,783 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,508 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,121 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,759 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,241 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,253 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,198 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,312 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,915 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,818 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,763 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,127 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,993 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,661 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,186 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,539 |
| Island Countries | 0 | - | 4.99 | 710,600 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,964 |
| Himalayan Countries | 0 | - | 4.95 | 138,275 |
| Andean Countries | 0 | - | 4.95 | 84,355 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,579 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,483 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,199 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,617 |
| Danube Countries | 0 | - | 4.97 | 71,886 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,860 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,282 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,078 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,542 |
| European Landlocked Countries | 0 | - | 4.99 | 147,019 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,451 |
| Countries with the Most Species | 0 | - | 4.99 | 103,136 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,594 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,532 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,672 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,467 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,147 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,549 |
| Countries in the Alps | 0 | - | 4.87 | 118,028 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,220 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,812 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,571 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,498 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,369 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,866 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,530 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,389 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,106 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,734 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,581 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,439 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,109 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,378 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,407 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,649 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,207 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,718 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,871 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,412 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,801 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,138 |
| Largest Countries By Category | 0 | - | 4.97 | 158,001 |
| Countries by Countries | 0 | - | 4.96 | 63,072 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,905 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,527 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,234 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,528 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,866 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,558 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,472 |
| Northernmost Countries | 0 | - | 4.99 | 361,458 |
| Countries of South America | 0 | - | 5.00 | 925,718 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,884 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,873,423 |
| "Land" Countries | 0 | - | 4.98 | 336,949 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,432 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,503 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,610 |
| Countries with Megacities | 0 | - | 4.99 | 263,793 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,458 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,318 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,724 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,363 |
| Countries by Official Language | 0 | - | 4.95 | 195,028 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,085 |
| Countries in their Native Language | 0 | - | 4.99 | 198,535 |
| Independence from Whom | 0 | - | 4.99 | 211,832 |
| Subdivisions by Country | 0 | - | 4.86 | 50,382 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,414 |
| Megadiverse Countries | 0 | - | 4.96 | 134,920 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,888 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,285 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,867 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,072 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,975 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,515 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,304 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,966 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,590 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,048 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,449 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,813 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,126 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,904 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,818 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,281 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,435 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,851 |
| World Map Quiz | 0 | - | 4.81 | 64,937 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,645 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,237 |
| Countries by Founding Story | 0 | - | 4.95 | 77,267 |
| Countries by Road Signs | 0 | - | 4.98 | 53,874 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,874 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,147 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,873 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,908 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,782 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,913 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,210 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,385 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,486 |
| Widest Countries East to West | 0 | - | 4.92 | 129,556 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,424 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,240 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,080 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,677 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,460 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,747 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,330 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,775 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,786 |
| Countries with Double Letters | 0 | - | 4.97 | 95,887 |
| Countries that End in N | 0 | - | 4.95 | 170,806 |
| Countries with Five Letters | 0 | - | 4.96 | 281,908 |
| Countries with Six Letters | 0 | - | 4.94 | 213,231 |
| Countries with W | 0 | - | 4.97 | 160,085 |
| Countries with Z | 0 | - | 4.98 | 291,085 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,440 |
| Countries That End in U | 0 | - | 4.95 | 120,711 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,215 |
| Countries that End in O | 0 | - | 4.92 | 159,417 |
| Countries that End in R | 0 | - | 4.87 | 118,884 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,653 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,821 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,501 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,348 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,163 |
| Countries That End in Y | 0 | - | 4.91 | 185,798 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,698 |
