| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,535 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,457 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,795 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,590 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,843 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,350 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,181 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,231 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,948 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,061 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,489 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,453 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,406 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,479 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,584 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,365 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,043 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,477 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,698 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,083 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,389 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,716 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,927 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,028 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,846 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,739 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,486 |
| World Coats of Arms | 0 | - | 4.99 | 64,470 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,441 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,928 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,417 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,712 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,940 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,914 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,695 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,117 |
| Merged Countries #2 | 0 | - | 4.96 | 99,035 |
| Merged Countries #6 | 0 | - | 4.90 | 73,237 |
| Merged Countries #7 | 0 | - | 4.93 | 82,586 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,425,951 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,313 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,102 |
| Pixelated World Map | 0 | - | 5.00 | 143,348 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,137 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,963 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,638 |
| Every Country Shape | 0 | - | 5.00 | 464,977 |
| Flags of North and South America | 0 | - | 4.99 | 372,856 |
| Former Flags | 0 | - | 4.97 | 107,675 |
| Landlocked Countries | 0 | - | 4.99 | 420,030 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,628 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,218 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,125 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,160 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,376 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,073 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,165 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,905 |
| Similar Flags #1 | 0 | - | 4.75 | 129,984 |
| Similar Flags #2 | 0 | - | 4.74 | 137,268 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,473 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,347 |
| Orthodox Countries | 0 | - | 4.92 | 131,860 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,814 |
| Battle to Country | 0 | - | 4.91 | 53,292 |
| Monarchies of Europe | 0 | - | 4.90 | 98,101 |
| Monarchies of Asia | 0 | - | 4.97 | 71,070 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,867 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,839 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,449 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,105 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,671 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,424 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,473 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,127 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,281 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,622 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,161 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,852 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,203 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,666 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,957 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,403 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,945 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,924 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,974 |
| Island Countries | 0 | - | 4.99 | 710,215 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,486 |
| Himalayan Countries | 0 | - | 4.95 | 137,907 |
| Andean Countries | 0 | - | 4.95 | 84,169 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,377 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,960 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,034 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,484 |
| Danube Countries | 0 | - | 4.97 | 71,774 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,715 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,172 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,871 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,959 |
| European Landlocked Countries | 0 | - | 4.99 | 146,908 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,302 |
| Countries with the Most Species | 0 | - | 4.99 | 103,044 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,452 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,470 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,638 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,403 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,081 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,470 |
| Countries in the Alps | 0 | - | 4.87 | 117,890 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 97,550 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,612 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,510 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,395 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,244 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,805 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,407 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,291 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,044 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,657 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,549 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,390 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,019 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,312 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,320 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,447 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,141 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,648 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,716 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,950 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,534 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,069 |
| Largest Countries By Category | 0 | - | 4.97 | 157,846 |
| Countries by Countries | 0 | - | 4.97 | 62,961 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,515 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,389 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,193 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,498 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,454 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,362 |
| Northernmost Countries | 0 | - | 4.99 | 361,033 |
| Countries of South America | 0 | - | 5.00 | 924,503 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,345 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,482 |
| "Land" Countries | 0 | - | 4.98 | 336,092 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,231 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,821 |
| All Country Flags of the World | 0 | - | 5.00 | 3,660,620 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,323 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,551 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,130 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,134 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,405 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,104 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,352 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,390 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,514 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,061 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 30,910 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,317,284 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,076 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,955 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,942 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,498 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,081 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,180 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,358 |
| Countries with Megacities | 0 | - | 4.99 | 262,940 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,195 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,173 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,498 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,214 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,075 |
| Countries by Official Language | 0 | - | 4.95 | 194,859 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,834 |
| Countries in their Native Language | 0 | - | 4.99 | 198,398 |
| Independence from Whom | 0 | - | 4.99 | 211,617 |
| Subdivisions by Country | 0 | - | 4.86 | 50,341 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,913 |
| Megadiverse Countries | 0 | - | 4.96 | 134,848 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,734 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,235 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,817 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,052 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,854 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,455 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,146 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,911 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,545 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,030 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,415 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,271 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,779 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,064 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,846 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,228 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,396 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,537 |
| World Map Quiz | 0 | - | 4.81 | 64,797 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,192 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 126,443 |