| Name a Valid Country A-Z | 0 | - | 4.98 | 121,341 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,505 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,294 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,853 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,335 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,872 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,431 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,892 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,108 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,815 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,190 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,773 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,796 |
| Countries with Four Letters | 0 | - | 4.99 | 421,569 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,914 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,187 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,252 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,331,043 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,833 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,050 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,464 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,685 |
| Country Chain | 0 | - | 4.96 | 216,815 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,802 |
| Countries by Emojis | 0 | - | 4.99 | 238,701 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,717 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,900 |
| Islands by Country #1 | 0 | - | 4.88 | 175,110 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,374 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,716 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,625 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,988 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,503 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,669 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,055 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,955 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,344 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,940 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,831 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,196 |
| Landlocked Countries | 0 | - | 4.99 | 418,895 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,581 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,632 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,561 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,933 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,946 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,101 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,635 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,299 |
| Orthodox Countries | 0 | - | 4.92 | 131,324 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,493 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,079 |
| Battle to Country | 0 | - | 4.91 | 53,158 |
| Monarchies of Europe | 0 | - | 4.90 | 97,970 |
| Monarchies of Asia | 0 | - | 4.97 | 70,987 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,533 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,529 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,787 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,538 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,992 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,952 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,781 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,989 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,475 |
| Random Countries by Borders | 0 | - | 4.99 | 82,282 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,701 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,106 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,656 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,711 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,724 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,105 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,954 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,737 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,335 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,288 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,159 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,592 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,078 |
| Island Countries | 0 | - | 4.99 | 709,737 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,979 |
| Himalayan Countries | 0 | - | 4.94 | 137,410 |
| Andean Countries | 0 | - | 4.95 | 83,925 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,226 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,639 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,827 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,345 |
| Danube Countries | 0 | - | 4.97 | 71,655 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,541 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,048 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,639 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,724 |
| European Landlocked Countries | 0 | - | 4.99 | 146,772 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,128 |
| Countries with the Most Species | 0 | - | 4.99 | 102,906 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,263 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,431 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,585 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,300 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,988 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,358 |
| Countries in the Alps | 0 | - | 4.87 | 117,684 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,128 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,358 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,413 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,979 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,088 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,524 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,279 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,182 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,964 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,549 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,476 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,335 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,919 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,187 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,204 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,172 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,060 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,570 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,521 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,345 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,222 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,993 |
| Largest Countries By Category | 0 | - | 4.97 | 157,627 |
| Countries by Countries | 0 | - | 4.96 | 62,832 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,995 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,367 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 131,468 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,944 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,601 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,205 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,287 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,159 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,258 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,953 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,207 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,225 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,377 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,948 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,466 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,320 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,000 |
| Northernmost Countries | 0 | - | 4.99 | 360,445 |
| Companies by Country | 0 | - | 4.61 | 119,480 |
| Countries of South America | 0 | - | 5.00 | 922,855 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,925 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,195 |
| "Land" Countries | 0 | - | 4.98 | 335,784 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,915 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,801 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,840 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,318 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.93 | 126,271 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,498 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,101 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,458 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,706 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,664 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,201 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,720 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,013 |
| Countries with Megacities | 0 | - | 4.99 | 259,608 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,877 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,985 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,158 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,991 |
| Countries by Official Language | 0 | - | 4.95 | 194,639 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,518 |
| Countries in their Native Language | 0 | - | 4.99 | 198,179 |
| Independence from Whom | 0 | - | 4.99 | 211,299 |
| Subdivisions by Country | 0 | - | 4.86 | 50,287 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,695 |
| Countries in World War I | 0 | - | 4.88 | 227,837 |
| Megadiverse Countries | 0 | - | 4.96 | 134,764 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,719 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,538 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,182 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 975,070 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,753 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,016 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,708 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,379 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,968 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,843 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,484 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,987 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,949 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,713 |
| Hindu Countries | 0 | - | 4.86 | 50,015 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,990 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,770 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,150 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,324 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,180 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,330 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,838 |
| World Map Quiz | 0 | - | 4.81 | 64,510 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,572 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,029 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,494 |