| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,093 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 47,919 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 139,159 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 111,089 |
| Flags with the Most Stars | 0 | - | 4.91 | 121,993 |
| Flags that are Red & White Only | 0 | - | 4.97 | 142,511 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 141,671 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 51,905 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 44,882 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 65,466 |
| Country Flags with the Most Red | 0 | - | 4.98 | 116,735 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 89,959 |
| Country Flags with the Most Green | 0 | - | 4.95 | 97,034 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 96,945 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 96,734 |
| Country Flags with the Most Black | 0 | - | 4.95 | 95,325 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 66,370 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.94 | 48,751 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 96,918 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 78,197 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 63,069 |
| Countries by Partial Flag Images #6 | 0 | - | 4.88 | 37,274 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 71,670 |
| Countries by Coat of Arms #2 | 0 | - | 4.82 | 40,891 |
| World Coats of Arms | 0 | - | 4.99 | 62,804 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 97,246 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.85 | 34,927 |
| Country Flags With Blue Removed | 0 | - | 4.91 | 42,428 |
| Countries by Partial Flag Images #7 | 0 | - | 4.87 | 28,678 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,070 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,293 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 68,866 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,149 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 43,812 |
| 20 Random Country Flags | 0 | - | 4.99 | 571,900 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,995,514 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 110,902 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 81,662 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 402,631 |
| Merged Countries #2 | 0 | - | 4.96 | 97,442 |
| Merged Countries #4 | 0 | - | 4.81 | 91,765 |
| Merged Countries #6 | 0 | - | 4.91 | 71,694 |
| Merged Countries #7 | 0 | - | 4.93 | 80,964 |
| World Map without 12 Countries | 0 | - | 4.97 | 338,126 |
| Pixelated World Map | 0 | - | 5.00 | 140,114 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 897,916 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 410,664 |
| Every Country Shape | 0 | - | 5.00 | 442,434 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,633,246 |
| Flags of North and South America | 0 | - | 4.99 | 349,726 |
| Former Flags | 0 | - | 4.97 | 104,924 |
| Sahara Desert Countries | 0 | - | 4.97 | 155,517 |
| Himalayan Countries | 0 | - | 4.95 | 130,939 |
| Andean Countries | 0 | - | 4.94 | 80,376 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 60,393 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 119,835 |
| Coffee Producing Countries | 0 | - | 4.81 | 63,844 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 62,881 |
| Danube Countries | 0 | - | 4.97 | 63,225 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 100,141 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 84,196 |
| Countries with the Worst Passports | 0 | - | 4.93 | 80,040 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 144,656 |
| European Landlocked Countries | 0 | - | 4.99 | 144,052 |
| Partially Recognized Countries | 0 | - | 4.98 | 102,938 |
| Countries with the Most Species | 0 | - | 4.99 | 94,189 |
| Countries 197 to 205 | 0 | - | 4.89 | 67,316 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,705 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,888 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,080 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 71,674 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,850 |
| Countries in the Alps | 0 | - | 4.87 | 114,836 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 93,269 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 102,723 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,183 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,886 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,733 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,915 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,873 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,782 |
| Largest Country by Body of Water | 0 | - | 4.96 | 49,511 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,928 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,587 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,387 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 102,344 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,771 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,714 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 114,295 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,656 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 58,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 42,807 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 233,276 |
| World Countries - Blind Typing | 0 | - | 5.00 | 102,087 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,762 |
| Largest Countries By Category | 0 | - | 4.97 | 154,799 |
| Countries by Countries | 0 | - | 4.96 | 60,957 |
| Country Flags with the Most White | 0 | - | 4.87 | 135,535 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,527 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 86,467 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 51,009 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 368,287 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 394,272 |
| Island Countries Quiz | 0 | - | 4.99 | 702,839 |
| Country Flags with the Southern Cross | 0 | - | 4.79 | 60,640 |
| Similar Flags #1 | 0 | - | 4.74 | 126,917 |
| Similar Flags #2 | 0 | - | 4.78 | 124,404 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,023,642 |
| Northernmost Countries | 0 | - | 4.99 | 350,628 |
| Countries of South America | 0 | - | 5.00 | 897,340 |
| Countries of Oceania | 0 | - | 5.00 | 1,018,289 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,807,267 |
| Countries by Picture #1 | 0 | - | 4.53 | 97,313 |
| Countries by Picture #3 | 0 | - | 4.53 | 58,423 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 156,843 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 168,068 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 134,640 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,331,936 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 76,753 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 291,215 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 221,401 |
| Country Shapes Quiz #5 | 0 | - | 4.92 | 153,484 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 101,545 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 108,868 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 119,438 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 105,902 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 78,835 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 56,422 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 83,852 |
| All Country Flags of the World | 0 | - | 5.00 | 3,499,273 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,487 |
| Countries with Megacities | 0 | - | 4.99 | 228,496 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,624 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,997 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,393 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,638 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 313,868 |
| Countries by Official Language | 0 | - | 4.95 | 189,777 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 289,547 |
| Countries in their Native Language | 0 | - | 4.99 | 193,761 |
| Independence from Whom | 0 | - | 4.99 | 206,293 |
| Subdivisions by Country | 0 | - | 4.86 | 49,563 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 128,204 |
| Megadiverse Countries | 0 | - | 4.97 | 132,969 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 127,501 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,368 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,793 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,461 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 50,025 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 159,376 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,150 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 90,867 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 151,956 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 94,125 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,306 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 72,947 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 106,237 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,720 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,818 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,913 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,152 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 105,128 |
| World Map Quiz | 0 | - | 4.84 | 61,582 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 146,898 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 77,958 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 74,677 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 74,042 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 151,488 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 71,523 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 104,667 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 53,651 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 28,575 |
| Southernmost Countries of the World | 0 | - | 4.99 | 223,778 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 102,399 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 120,288 |
| Countries With the Most Languages | 0 | - | 4.89 | 196,147 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 108,357 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,790 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,982 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 60,146 |
| Tallest Countries North to South | 0 | - | 4.83 | 118,267 |
| Widest Countries East to West | 0 | - | 4.92 | 127,524 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,893 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 183,694 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,858 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,741 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 146,132 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,773 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,739 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,299 |
| Countries with Double Letters | 0 | - | 4.96 | 89,618 |
| Countries that End in N | 0 | - | 4.93 | 152,742 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 254,304 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 206,834 |
| Countries with W | 0 | - | 4.97 | 155,130 |
| Countries with Z | 0 | - | 4.98 | 283,236 |
| Countries with Letters Missing | 0 | - | 4.97 | 181,692 |
| Countries That End in U | 0 | - | 4.95 | 117,695 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 105,963 |
| Countries that End in O | 0 | - | 4.92 | 157,038 |
