| Countries by Satellite Image #1 | 0 | - | 4.87 | 128,507 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 75,401 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,193 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 112,152 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 88,051 |
| Flags with the Most Stars | 0 | - | 4.90 | 104,874 |
| Flags that are Red & White Only | 0 | - | 4.97 | 130,229 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 124,368 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 34,247 |
| Four Countries with Similar Flags #2 | 0 | - | 4.88 | 34,883 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 42,668 |
| Country Flags with the Most Red | 0 | - | 4.97 | 90,386 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 78,690 |
| Country Flags with the Most Green | 0 | - | 4.95 | 79,058 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 80,567 |
| Country Flags with the Most Yellow | 0 | - | 4.92 | 77,258 |
| Country Flags with the Most Black | 0 | - | 4.94 | 85,480 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 43,592 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 81,326 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 62,338 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 47,945 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 57,925 |
| World Coats of Arms | 0 | - | 4.99 | 55,013 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 81,734 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 32,939 |
| Countries by Partial Flag Images #6 | 0 | - | 4.93 | 26,615 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 26,381 |
| Countries by Picture #1 | 0 | - | 4.51 | 88,696 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,178 |
| Random Flag to Country | 0 | - | 4.99 | 500,736 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,577,901 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 93,509 |
| Countries by Bordering Flags #2 | 0 | - | 4.89 | 74,970 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 319,093 |
| Merged Countries #2 | 0 | - | 4.96 | 89,075 |
| Merged Countries #4 | 0 | - | 4.87 | 83,618 |
| Merged Countries #6 | 0 | - | 4.88 | 64,652 |
| Merged Countries #7 | 0 | - | 4.93 | 73,832 |
| Pixelated World Map | 0 | - | 5.00 | 127,208 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,031,941 |
| Country Shape Quiz #1 | 0 | - | 4.92 | 832,328 |
| Country Shape Quiz #2 | 0 | - | 4.96 | 375,235 |
| Every Country Shape | 0 | - | 5.00 | 376,992 |
| Countries by Picture #2 | 0 | - | 4.37 | 63,755 |
| Countries by Picture #5 | 0 | - | 4.27 | 39,565 |
| Countries by Picture #6 | 0 | - | 4.17 | 33,433 |
| Former Flags | 0 | - | 4.98 | 80,877 |
| Countries on the Equator | 0 | - | 4.83 | 133,430 |
| Members of the Arab League | 0 | - | 4.83 | 59,902 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,578 |
| Himalayan Countries | 0 | - | 4.95 | 102,968 |
| Andean Countries | 0 | - | 4.90 | 57,233 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 58,069 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,690 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,046 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,653 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,852 |
| Danube Countries | 0 | - | 4.97 | 56,419 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,453 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,649 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,561 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,922 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,565 |
| European Landlocked Countries | 0 | - | 4.99 | 114,906 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,902 |
| Countries with the Most Species | 0 | - | 4.99 | 89,119 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,964 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,508 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,861 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,866 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,187 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,511 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,789 |
| Countries in the Alps | 0 | - | 4.83 | 102,027 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,814 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,109 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,218 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,848 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,511 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,179 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,195 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,851 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,120 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,280 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,027 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,391 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,478 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,091 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,606 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,093 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,931 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,039 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,055 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,732 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,778 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,033 |
| Largest Countries By Category | 0 | - | 4.96 | 144,110 |
| Countries by Countries | 0 | - | 4.96 | 54,227 |
| Country Flags with the Most White | 0 | - | 4.92 | 119,247 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,454 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,564 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 339,108 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,645 |
| Island Countries Quiz | 0 | - | 4.99 | 639,769 |
| Countries by Satellite Image #3 | 0 | - | 4.66 | 65,797 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 63,816 |
| Countries by Satellite Image #4 | 0 | - | 4.72 | 61,888 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 43,604 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,317 |
| Similar Flags #1 | 0 | - | 4.72 | 110,087 |
| Similar Flags #2 | 0 | - | 4.79 | 111,936 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.76 | 41,050 |
| Countries by Coat of Arms #2 | 0 | - | 4.77 | 32,116 |
| Biggest Countries by Area | 0 | - | 5.00 | 926,805 |
| Northernmost Countries | 0 | - | 4.99 | 325,748 |
| Countries of South America | 0 | - | 5.00 | 785,827 |
| Countries of Oceania | 0 | - | 5.00 | 884,822 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,119,440 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,556,832 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,137 |
| World Map without 12 Countries | 0 | - | 4.97 | 313,964 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 150,340 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 120,145 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 68,348 |
| Country Shape Quiz #3 | 0 | - | 4.92 | 266,201 |
| Country Shape Quiz #4 | 0 | - | 4.92 | 196,688 |
| Country Shape Quiz #5 | 0 | - | 4.93 | 138,236 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 90,465 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 99,075 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 108,912 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 97,109 |
| Country Shapes in the World Map #6 | 0 | - | 4.97 | 71,911 |
| Country Shapes in the World Map #7 | 0 | - | 4.98 | 49,346 |
| Country Shapes in the World Map #5 | 0 | - | 4.97 | 75,857 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 307,124 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,521 |
| Countries with Megacities | 0 | - | 4.99 | 195,294 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,936 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 97,088 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,022 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,953 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,753 |
| Countries by Official Language | 0 | - | 4.95 | 153,766 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 247,313 |
| Countries in their Native Language | 0 | - | 4.98 | 177,263 |
| Independence from Whom | 0 | - | 4.99 | 184,185 |
| Subdivisions by Country | 0 | - | 4.82 | 46,255 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,568 |
| Megadiverse Countries | 0 | - | 4.96 | 124,896 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,264 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,127 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,180 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,298 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,848 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,131 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,431 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,615 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,141 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,202 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,923 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,608 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,547 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,149 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,862 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,681 |
| World Map Quiz | 0 | - | 4.90 | 48,371 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 68,278 |
| Countries Connected in the World Map #1 | 0 | - | 4.96 | 65,267 |
| Countries Connected in the World Map #3 | 0 | - | 4.96 | 64,681 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 141,243 |
| Countries in a Strip of the World Map | 0 | - | 4.98 | 63,799 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,935 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 47,937 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,660 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,304 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,281 |
| Countries With the Most Languages | 0 | - | 4.90 | 172,040 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 86,706 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 71,038 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,678 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,436 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,989 |
| Widest Countries East to West | 0 | - | 4.93 | 118,859 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,725 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,106 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,182 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,942 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,288 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,684 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,310 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,909 |
| Countries with Double Letters | 0 | - | 4.96 | 67,341 |
| Countries that End in N | 0 | - | 4.93 | 131,795 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 228,533 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,074 |
| Countries with W | 0 | - | 4.97 | 121,997 |
| Countries with Z | 0 | - | 4.98 | 243,216 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,888 |
| Countries That End in U | 0 | - | 4.94 | 107,187 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,643 |
