| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 67,467 |
| World Map with 10 Random Extra Borders | 0 | - | 4.97 | 333,746 |
| Random World Capitals on a Map | 0 | - | 4.93 | 116,388 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 70,206 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 67,134 |
| Countries Connected in the World Map #3 | 0 | - | 4.96 | 66,621 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 143,176 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 65,346 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 48,989 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 250,425 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 23,448 |
| Random Capital to Country | 0 | - | 4.99 | 2,393,908 |
| Random Country to Capital | 0 | - | 4.98 | 814,158 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,947,261 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 115,007 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,717,043 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,207,243 |
| World Map without 12 Countries | 0 | - | 4.97 | 318,470 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 845,380 |
| Country Shape Quiz #2 | 0 | - | 4.96 | 380,099 |
| Every Country Shape | 0 | - | 5.00 | 390,871 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 131,406 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,603 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,945 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 114,865 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 90,299 |
| Flags with the Most Stars | 0 | - | 4.90 | 108,206 |
| Flags that are Red & White Only | 0 | - | 4.97 | 132,332 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 127,747 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 37,414 |
| Countries by Emojis | 0 | - | 4.99 | 209,561 |
| Countries With One Word And Two O's | 0 | - | 4.91 | 35,912 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,522 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 44,396 |
| Pixelated World Map | 0 | - | 5.00 | 130,477 |
| Country Flags with the Most Red | 0 | - | 4.97 | 93,615 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 81,038 |
| Country Flags with the Most Green | 0 | - | 4.95 | 81,693 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 83,155 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 89,147 |
| Country Flags with the Most Black | 0 | - | 4.94 | 87,667 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 56,082 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,524 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,746 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 63,625 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 49,354 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,840 |
| World Coats of Arms | 0 | - | 4.99 | 56,623 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 185,149 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 82,668 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 34,990 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 333,847 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,165,786 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,224,892 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,902 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,538 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 153,625 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 122,950 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 123,263 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,225 |
| Countries with the Most McDonald's Locations | 0 | - | 4.84 | 104,634 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 81,812 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.90 | 88,331 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 70,110 |
| Random Flag to Country | 0 | - | 4.99 | 515,437 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 28,410 |
| Country Shape Quiz #3 | 0 | - | 4.92 | 269,937 |
| Country Shape Quiz #4 | 0 | - | 4.92 | 199,733 |
| Country Shape Quiz #5 | 0 | - | 4.92 | 140,880 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 92,625 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 100,919 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 110,930 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 98,915 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 73,280 |
| Country Shapes in the World Map #7 | 0 | - | 4.98 | 50,734 |
| Country Shapes in the World Map #5 | 0 | - | 4.97 | 77,491 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 87,626 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 96,257 |
| Random Countries by Borders | 0 | - | 4.99 | 67,448 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 27,126 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 344,811 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,250 |
| Members of the Arab League | 0 | - | 4.86 | 66,113 |
| Island Countries Quiz | 0 | - | 4.99 | 668,226 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,344 |
| Himalayan Countries | 0 | - | 4.94 | 108,280 |
| Andean Countries | 0 | - | 4.91 | 60,105 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,278 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,785 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,385 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,818 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,210 |
| Danube Countries | 0 | - | 4.96 | 57,199 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,210 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,280 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,652 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,353 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,944 |
| European Landlocked Countries | 0 | - | 4.99 | 137,006 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,762 |
| Countries with the Most Species | 0 | - | 4.99 | 89,847 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,300 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,002 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,304 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,025 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,864 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,106 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,885 |
| Countries in the Alps | 0 | - | 4.84 | 103,808 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,399 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,413 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,253 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,335 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,866 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,311 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,506 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,742 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,678 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,381 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,141 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,002 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 37,015 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,541 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,634 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,210 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,444 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,930 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,004 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,205 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,277 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,807 |
| Largest Countries By Category | 0 | - | 4.97 | 146,354 |
| Countries by Countries | 0 | - | 4.95 | 55,556 |
| Countries that Produce the Most Beer | 0 | - | 4.87 | 117,573 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,490 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,180 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,565 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,283,927 |
| Biggest Countries by Area | 0 | - | 5.00 | 946,661 |
| Northernmost Countries | 0 | - | 4.99 | 330,769 |
| Countries of South America | 0 | - | 5.00 | 809,049 |
| Countries of Oceania | 0 | - | 5.00 | 912,522 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,609,193 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 95,037 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,228 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 192,801 |
| Name a Valid Asian Country | 0 | - | 4.98 | 93,636 |
| Name a Valid African Country | 0 | - | 4.98 | 126,237 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 78,922 |
| Country Picture Puzzle Game #1 | 0 | - | 4.87 | 80,134 |
| Pixelated Country Shapes #1 | 0 | - | 4.75 | 70,462 |
| Pixelated Country Shapes #2 | 0 | - | 4.75 | 65,825 |
| One Border Countries - Shape Quiz | 0 | - | 4.86 | 46,726 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.92 | 54,617 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.93 | 55,501 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.83 | 37,465 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.96 | 85,550 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.90 | 65,312 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 64,752 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 57,420 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 54,704 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 47,668 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.92 | 260,257 |
| Merged Countries #2 | 0 | - | 4.96 | 90,710 |
| Merged Countries #4 | 0 | - | 4.87 | 85,715 |
| Merged Countries #6 | 0 | - | 4.90 | 66,197 |
| Merged Countries #7 | 0 | - | 4.94 | 75,387 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 127,024 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 74,499 |
| Pixelated United States Map | 0 | - | 4.90 | 83,712 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,327,780 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,156 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,865 |
| Countries with Megacities | 0 | - | 4.99 | 201,619 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,145 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,854 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 98,081 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,748 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 252,708 |
| Countries by Official Language | 0 | - | 4.96 | 175,108 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,001 |
| Countries in their Native Language | 0 | - | 4.98 | 180,433 |
| Independence from Whom | 0 | - | 4.99 | 189,198 |
| Subdivisions by Country | 0 | - | 4.84 | 46,867 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,508 |
| Megadiverse Countries | 0 | - | 4.96 | 126,761 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,772 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,528 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,780 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,242 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,855 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,545 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,994 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,675 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,830 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 44,987 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,218 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,893 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,414 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,365 |
