| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,022 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,161 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,891 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,973 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,482 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,960 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,260 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,967 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,226 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,157 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,081 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,093 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,064 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,137 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,934 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,554 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,982 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,981 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,384 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,897 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,251 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,457 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,535 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,477 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,958 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,592 |
| World Coats of Arms | 0 | - | 4.99 | 64,918 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,713 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,153 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,854 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,155 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,373 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,438 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,066 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,644 |
| 20 Random Country Flags | 0 | - | 4.99 | 616,839 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,739,905 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,123 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,455 |
| Landlocked Countries | 0 | - | 4.99 | 423,918 |
| Merged Countries #2 | 0 | - | 4.96 | 99,736 |
| Merged Countries #6 | 0 | - | 4.90 | 73,675 |
| Merged Countries #7 | 0 | - | 4.93 | 83,022 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,572 |
| Pixelated World Map | 0 | - | 5.00 | 143,880 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 908,907 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,931 |
| Every Country Shape | 0 | - | 5.00 | 469,419 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,760 |
| Flags of North and South America | 0 | - | 4.99 | 375,766 |
| Former Flags | 0 | - | 4.97 | 108,282 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,393 |
| Himalayan Countries | 0 | - | 4.94 | 139,558 |
| Andean Countries | 0 | - | 4.94 | 85,080 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,261 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,486 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,827 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,133 |
| Danube Countries | 0 | - | 4.97 | 72,217 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,317 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,637 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,730 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,234 |
| European Landlocked Countries | 0 | - | 4.99 | 147,392 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,997 |
| Countries with the Most Species | 0 | - | 4.99 | 103,426 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,120 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,686 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,799 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,705 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,442 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,856 |
| Countries in the Alps | 0 | - | 4.87 | 118,503 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,108 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,471 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,816 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,819 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,755 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,930 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,683 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,307 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,024 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,767 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,633 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,395 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,641 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,730 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,392 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,478 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,293 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,382 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,955 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,687 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,386 |
| Largest Countries By Category | 0 | - | 4.97 | 158,556 |
| Countries by Countries | 0 | - | 4.96 | 63,448 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,024 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,351 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,626 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,918 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,638 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,321 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,135 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,617 |
| Island Countries | 0 | - | 4.99 | 711,812 |
| Similar Flags #1 | 0 | - | 4.75 | 130,524 |
| Similar Flags #2 | 0 | - | 4.74 | 137,837 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,561 |
| Northernmost Countries | 0 | - | 4.99 | 363,129 |
| Countries of South America | 0 | - | 5.00 | 930,075 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,437 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,694 |
| "Land" Countries | 0 | - | 4.98 | 337,907 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,121 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,996 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,800 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,223 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,077 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,784 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,317 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,820 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,410 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,886 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 39,321 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 33,447 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,921 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,939 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,595 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,731 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,989 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,499 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,211 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,609 |
| All Country Flags of the World | 0 | - | 5.00 | 3,698,058 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,463 |
| Countries with Megacities | 0 | - | 4.99 | 265,911 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,257 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,759 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,514 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,863 |
| Countries by Official Language | 0 | - | 4.95 | 195,665 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,145 |
| Countries in their Native Language | 0 | - | 4.99 | 199,435 |
| Independence from Whom | 0 | - | 4.99 | 212,598 |
| Subdivisions by Country | 0 | - | 4.87 | 50,540 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,102 |
| Megadiverse Countries | 0 | - | 4.96 | 135,160 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,458 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,464 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,351 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,166 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,380 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,707 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,771 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,473 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,750 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,208 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,108 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,274 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,334 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,064 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,479 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,604 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,867 |
| World Map Quiz | 0 | - | 4.81 | 65,388 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,322 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 81,002 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,678 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,924 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,357 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,993 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,536 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,444 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,738 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,705 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,356 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,000 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,213 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,333 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,545 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,591 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,286 |
| Widest Countries East to West | 0 | - | 4.92 | 130,220 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,535 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,038 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,443 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,939 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,816 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,151 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,449 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,854 |
| Countries with Double Letters | 0 | - | 4.96 | 96,699 |
| Countries that End in N | 0 | - | 4.95 | 171,582 |
| Countries with Five Letters | 0 | - | 4.96 | 283,237 |
| Countries with Six Letters | 0 | - | 4.94 | 214,038 |
| Countries with W | 0 | - | 4.96 | 160,652 |
| Countries with Z | 0 | - | 4.98 | 291,995 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,022 |
| Countries That End in U | 0 | - | 4.95 | 121,036 |