| Countries by Road Signs | 0 | - | 4.98 | 54,138 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,839,487 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,194 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,535 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,144 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,639,214 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,681,080 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,463 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,077 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,584 |
| Landlocked Countries | 0 | - | 4.99 | 423,226 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 581,216 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,332 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,405 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,963 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,117 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,560 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,703 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,274 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,786 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,032 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,723 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,976 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,015 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,948 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,952 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,932 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,020 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,818 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,438 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,869 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,906 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,312 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,200 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,530 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,674 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,787 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,144 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,342 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,426 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,343 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,919 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,571 |
| World Coats of Arms | 0 | - | 4.99 | 64,829 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 908,586 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,713 |
| Every Country Shape | 0 | - | 5.00 | 468,702 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,787,477 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,503 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,648 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,094 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,750 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,101 |
| Himalayan Countries | 0 | - | 4.94 | 139,278 |
| Andean Countries | 0 | - | 4.93 | 84,915 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,134 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,291 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,711 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,025 |
| Danube Countries | 0 | - | 4.97 | 72,153 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,222 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,563 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,571 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,083 |
| European Landlocked Countries | 0 | - | 4.99 | 147,300 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,869 |
| Countries with the Most Species | 0 | - | 4.99 | 103,358 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,003 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,655 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,773 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,635 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,387 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,804 |
| Countries in the Alps | 0 | - | 4.87 | 118,401 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,841 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,320 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,769 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,738 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,653 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,059 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,844 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,625 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,257 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,978 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,732 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,603 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,341 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,586 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,654 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,222 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,425 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,891 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,278 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,598 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,479 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,332 |
| Largest Countries By Category | 0 | - | 4.97 | 158,436 |
| Countries by Countries | 0 | - | 4.96 | 63,381 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,888 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,330 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,597 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,048 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,149 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,815 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,696 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,904 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,132 |
| Island Countries | 0 | - | 4.99 | 711,508 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,459 |
| Northernmost Countries | 0 | - | 4.99 | 362,598 |
| Countries of South America | 0 | - | 5.00 | 929,098 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,100 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,205 |
| "Land" Countries | 0 | - | 4.98 | 337,692 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,668 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,065 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,938 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,844 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,304 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,198 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,013 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,666 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,243 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,757 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 39,064 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 33,146 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,843 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,868 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,508 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,639 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,929 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,443 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,143 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,523 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 78,042 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 59,850 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,112 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,274 |
| Countries with Megacities | 0 | - | 4.99 | 265,457 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,101 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,670 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,338 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,740 |
| Countries by Official Language | 0 | - | 4.95 | 195,508 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,738 |
| Countries in their Native Language | 0 | - | 4.99 | 199,296 |
| Independence from Whom | 0 | - | 4.99 | 212,383 |
| Subdivisions by Country | 0 | - | 4.87 | 50,495 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,948 |
| Megadiverse Countries | 0 | - | 4.96 | 135,109 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,316 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,425 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,307 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,144 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,300 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,667 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,643 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,428 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,718 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,188 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,959 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,970 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,283 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,024 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,448 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,560 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,824 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,609 |
| World Map Quiz | 0 | - | 4.81 | 65,279 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,067 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,924 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,903 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,585 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,829 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,248 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,926 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,469 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,391 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,296 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 146,787 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,934 |
| Countries by Founding Story | 0 | - | 4.95 | 77,472 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,608 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,354 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,437 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,145 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,648 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,043 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,153 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,415 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,510 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,666 |
| Widest Countries East to West | 0 | - | 4.92 | 129,777 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,483 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,740 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,397 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,858 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,727 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,991 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,422 |
