| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,343 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,715 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,260 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,525 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,039 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,027 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,969 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,645 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,752 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,298 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,285 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,169 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,314 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,409 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,168 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,870 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,332 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,611 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,994 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,248 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,554 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,772 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,869 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,652 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,651 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,436 |
| World Coats of Arms | 0 | - | 4.99 | 64,322 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,346 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,858 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,282 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,885 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,960 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,066 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,845 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,412 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,248 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,311,623 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,547 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,009 |
| Landlocked Countries | 0 | - | 4.99 | 418,555 |
| Merged Countries #2 | 0 | - | 4.96 | 98,884 |
| Merged Countries #6 | 0 | - | 4.90 | 73,115 |
| Merged Countries #7 | 0 | - | 4.93 | 82,430 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,885 |
| Pixelated World Map | 0 | - | 5.00 | 143,123 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,336 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,268 |
| Every Country Shape | 0 | - | 5.00 | 463,559 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,754,787 |
| Flags of North and South America | 0 | - | 4.99 | 371,781 |
| Former Flags | 0 | - | 4.97 | 107,447 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,786 |
| Himalayan Countries | 0 | - | 4.94 | 137,248 |
| Andean Countries | 0 | - | 4.95 | 83,841 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,103 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,505 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,772 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,292 |
| Danube Countries | 0 | - | 4.97 | 71,613 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,491 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,012 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,575 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,641 |
| European Landlocked Countries | 0 | - | 4.99 | 146,728 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,073 |
| Countries with the Most Species | 0 | - | 4.99 | 102,865 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,208 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,419 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,574 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,275 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,952 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,332 |
| Countries in the Alps | 0 | - | 4.87 | 117,629 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,093 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,297 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,383 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,946 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,049 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,417 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,234 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,148 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,944 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,517 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,454 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,318 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,893 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,164 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,180 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,119 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,037 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,553 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,473 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,214 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,133 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,970 |
| Largest Countries By Category | 0 | - | 4.97 | 157,573 |
| Countries by Countries | 0 | - | 4.96 | 62,804 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,153 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,148 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,464 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,290 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,508 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,688 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,501 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,925 |
| Island Countries | 0 | - | 4.99 | 709,605 |
| Similar Flags #1 | 0 | - | 4.75 | 129,752 |
| Similar Flags #2 | 0 | - | 4.74 | 137,062 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,699 |
| Northernmost Countries | 0 | - | 4.99 | 360,332 |
| Countries of South America | 0 | - | 5.00 | 922,501 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,478 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,435 |
| "Land" Countries | 0 | - | 4.98 | 335,713 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,811 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,224 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,013 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,793 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,907 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,975 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,631 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,544 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,210 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,858 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,122 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,257 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,295 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,944 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,137 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,496 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,032 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,711 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,056 |
| All Country Flags of the World | 0 | - | 5.00 | 3,647,034 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,910 |
| Countries with Megacities | 0 | - | 4.99 | 257,218 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,774 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,923 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,067 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,929 |
| Countries by Official Language | 0 | - | 4.95 | 194,582 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,456 |
| Countries in their Native Language | 0 | - | 4.99 | 198,127 |
| Independence from Whom | 0 | - | 4.99 | 211,235 |
| Subdivisions by Country | 0 | - | 4.86 | 50,273 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,642 |
| Megadiverse Countries | 0 | - | 4.96 | 134,744 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,501 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,162 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,732 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,007 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,672 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,359 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,922 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,821 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,467 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,973 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,889 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,693 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,970 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,756 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,121 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,307 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,105 |
| World Map Quiz | 0 | - | 4.81 | 64,462 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,449 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,233 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,905 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,174 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,192 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,332 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,002 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,924 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 30,309 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,437 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,893 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,601 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,256 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,485 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,647 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,798 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,246 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,256 |
| Widest Countries East to West | 0 | - | 4.92 | 129,339 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,921 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,983 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,487 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,179 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,516 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,222 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,723 |
| Countries with Double Letters | 0 | - | 4.97 | 95,032 |
| Countries that End in N | 0 | - | 4.95 | 169,881 |
| Countries with Five Letters | 0 | - | 4.96 | 279,794 |
| Countries with Six Letters | 0 | - | 4.94 | 212,411 |
| Countries with W | 0 | - | 4.97 | 159,489 |
| Countries with Z | 0 | - | 4.98 | 289,734 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,683 |
| Countries That End in U | 0 | - | 4.95 | 120,387 |
