| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,522 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,975 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,761 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,998 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,977 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,195 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,692 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,434 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,557 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,225 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,390 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,687 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,632 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,602 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,639 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,737 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,512 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,169 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,602 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,761 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,165 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,518 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,854 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,063 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,158 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,002 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,505 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,980 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,530 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,998 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,331 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,506,128 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,796 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,218 |
| Landlocked Countries | 0 | - | 4.99 | 421,053 |
| Merged Countries #2 | 0 | - | 4.96 | 99,136 |
| Merged Countries #6 | 0 | - | 4.90 | 73,343 |
| Merged Countries #7 | 0 | - | 4.93 | 82,683 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,639 |
| Pixelated World Map | 0 | - | 5.00 | 143,484 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 907,533 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,051 |
| Every Country Shape | 0 | - | 5.00 | 466,317 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,771,670 |
| Flags of North and South America | 0 | - | 4.99 | 373,544 |
| Former Flags | 0 | - | 4.97 | 107,826 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,007 |
| Himalayan Countries | 0 | - | 4.95 | 138,318 |
| Andean Countries | 0 | - | 4.93 | 84,380 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,601 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,517 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,231 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,634 |
| Danube Countries | 0 | - | 4.97 | 71,904 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,881 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,304 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,100 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,574 |
| European Landlocked Countries | 0 | - | 4.99 | 147,035 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,467 |
| Countries with the Most Species | 0 | - | 4.99 | 103,153 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,618 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,535 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,677 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,472 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,153 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,559 |
| Countries in the Alps | 0 | - | 4.87 | 118,046 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,374 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,840 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,581 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,509 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,386 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,874 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,543 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,403 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,114 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,751 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,587 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,449 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,122 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,388 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,421 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,671 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,217 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,728 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,890 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,478 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,829 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,146 |
| Largest Countries By Category | 0 | - | 4.97 | 158,021 |
| Countries by Countries | 0 | - | 4.96 | 63,087 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,546 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,239 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,530 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,567 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,882 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,765 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,243 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,635 |
| Island Countries | 0 | - | 4.99 | 710,671 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,488 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,178 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,265 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,955 |
| Similar Flags #1 | 0 | - | 4.75 | 130,136 |
| Similar Flags #2 | 0 | - | 4.74 | 137,421 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,536 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,620 |
| Northernmost Countries | 0 | - | 4.99 | 361,526 |
| Countries of South America | 0 | - | 5.00 | 925,900 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,116 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,873,939 |
| "Land" Countries | 0 | - | 4.98 | 337,011 |
| Countries by Picture #1 | 0 | - | 4.51 | 116,847 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,755 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,360 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,496 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,451 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,204 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,949 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,179 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,748 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,333 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 37,115 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,582 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,611 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,254 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,401 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,737 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,254 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,945 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,313 |
| All Country Flags of the World | 0 | - | 5.00 | 3,670,199 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,637 |
| Countries with Megacities | 0 | - | 4.99 | 263,896 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,485 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,334 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,763 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,390 |
| Countries by Official Language | 0 | - | 4.95 | 195,052 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,117 |
| Countries in their Native Language | 0 | - | 4.99 | 198,594 |
| Independence from Whom | 0 | - | 4.99 | 211,864 |
| Subdivisions by Country | 0 | - | 4.86 | 50,386 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,555 |
| Megadiverse Countries | 0 | - | 4.96 | 134,932 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,917 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,292 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,871 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,075 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,993 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,534 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,332 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,974 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,593 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,475 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,821 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,130 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,908 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,295 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,440 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,891 |
| World Map Quiz | 0 | - | 4.81 | 64,956 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,729 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,549 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,251 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,501 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,548 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,649 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,258 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,159 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 31,340 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,895 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,162 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,884 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,944 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,801 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,921 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,217 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,390 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,500 |
| Widest Countries East to West | 0 | - | 4.92 | 129,562 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,429 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,265 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,086 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,695 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,474 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,761 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,333 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,780 |
| Countries with Double Letters | 0 | - | 4.96 | 95,949 |
| Countries that End in N | 0 | - | 4.95 | 170,857 |
| Countries with Five Letters | 0 | - | 4.96 | 281,976 |
| Countries with Six Letters | 0 | - | 4.94 | 213,272 |
| Countries with W | 0 | - | 4.97 | 160,123 |
| Countries with Z | 0 | - | 4.98 | 291,143 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,481 |
| Countries That End in U | 0 | - | 4.95 | 120,735 |
