| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,023 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,260 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,326 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,575 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,566 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,152 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,324 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,780 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,539 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,859 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,544 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,480 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,513 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,411 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,462 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,257 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,849 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,263 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,182 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,536 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,169 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,524 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,773 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,857 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,826 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,119 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,679 |
| World Coats of Arms | 0 | - | 4.99 | 65,305 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,839 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,295 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,087 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,270 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,523 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,106 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,117 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,953,681 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,375 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,670 |
| Landlocked Countries | 0 | - | 4.99 | 427,065 |
| Merged Countries #2 | 0 | - | 4.96 | 99,951 |
| Merged Countries #4 | 0 | - | 4.81 | 94,178 |
| Merged Countries #6 | 0 | - | 4.90 | 73,884 |
| Merged Countries #7 | 0 | - | 4.93 | 83,225 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,391 |
| Pixelated World Map | 0 | - | 5.00 | 144,236 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 910,149 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,781 |
| Every Country Shape | 0 | - | 5.00 | 472,243 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,022 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,431 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,733 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,255 |
| Flags of North and South America | 0 | - | 4.99 | 377,875 |
| Former Flags | 0 | - | 4.97 | 108,776 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,828 |
| Himalayan Countries | 0 | - | 4.93 | 140,745 |
| Andean Countries | 0 | - | 4.94 | 85,757 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,879 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,436 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,436 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,654 |
| Danube Countries | 0 | - | 4.97 | 72,524 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,759 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,955 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,398 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,869 |
| European Landlocked Countries | 0 | - | 4.99 | 147,720 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,503 |
| Countries with the Most Species | 0 | - | 4.99 | 103,633 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,606 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,805 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,940 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,909 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,665 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,116 |
| Countries in the Alps | 0 | - | 4.87 | 118,938 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,935 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,081 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,046 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,151 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,102 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,370 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,563 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,980 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,501 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,296 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,945 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,818 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,658 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,906 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,006 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,105 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,708 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,300 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,814 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,209 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,440 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,598 |
| Largest Countries By Category | 0 | - | 4.97 | 159,052 |
| Countries by Countries | 0 | - | 4.97 | 63,789 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,404 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,442 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,204 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,962 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,408 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,992 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,235 |
| Island Countries | 0 | - | 4.99 | 712,927 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,824 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,542 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,584 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,177 |
| Similar Flags #1 | 0 | - | 4.75 | 130,920 |
| Similar Flags #2 | 0 | - | 4.74 | 138,199 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,749 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,928 |
| Northernmost Countries | 0 | - | 4.99 | 364,497 |
| Countries of South America | 0 | - | 5.00 | 933,990 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,101 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,315 |
| "Land" Countries | 0 | - | 4.98 | 338,912 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,084 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,895 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,616 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,442 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,580 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,635 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 227,014 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,379 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,280 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,634 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,243 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,216 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,081 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 109,014 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,195 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,717 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,441 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,862 |
| All Country Flags of the World | 0 | - | 5.00 | 3,722,741 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,451 |
| Countries with Megacities | 0 | - | 4.99 | 267,736 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,096 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,305 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,432 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,409 |
| Countries by Official Language | 0 | - | 4.95 | 196,175 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,885 |
| Countries in their Native Language | 0 | - | 4.99 | 199,924 |
| Independence from Whom | 0 | - | 4.99 | 213,359 |
| Subdivisions by Country | 0 | - | 4.87 | 50,661 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,625 |
| Megadiverse Countries | 0 | - | 4.96 | 148,340 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,107 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,569 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,788 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,253 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,439 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,913 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,257 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,616 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,153 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,282 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,727 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,469 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,495 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,207 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,626 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,952 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,673 |
| World Map Quiz | 0 | - | 4.81 | 65,904 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,783 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 81,328 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,993 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 77,233 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,688 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 74,251 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,785 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,617 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,466 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,210 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,681 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,870 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,533 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,641 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,835 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,755 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,919 |
| Widest Countries East to West | 0 | - | 4.92 | 130,824 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,626 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,370 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,552 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,143 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,084 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,595 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,529 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,918 |
| Countries with Double Letters | 0 | - | 4.96 | 97,553 |
| Countries that End in N | 0 | - | 4.95 | 172,576 |
| Countries with Five Letters | 0 | - | 4.96 | 284,554 |
