| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,540 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,462 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,796 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,593 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,846 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,352 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,183 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,233 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,950 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,063 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,492 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,456 |
| 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 | 99,586 |
| 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 | 80,717 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,927 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,030 |
| 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 | 64,471 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,442 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,928 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,418 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,713 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,940 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,921 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,696 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,118 |
| Merged Countries #2 | 0 | - | 4.96 | 99,036 |
| Merged Countries #6 | 0 | - | 4.90 | 73,237 |
| Merged Countries #7 | 0 | - | 4.93 | 82,588 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,426,414 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,314 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,105 |
| Pixelated World Map | 0 | - | 5.00 | 143,349 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,140 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,965 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,639 |
| Every Country Shape | 0 | - | 5.00 | 464,984 |
| Flags of North and South America | 0 | - | 4.99 | 372,858 |
| Former Flags | 0 | - | 4.97 | 107,677 |
| Landlocked Countries | 0 | - | 4.99 | 420,035 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,713 |
| 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 | 138,161 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,383 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,079 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,167 |
| 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 | 109,348 |
| Orthodox Countries | 0 | - | 4.92 | 131,862 |
| 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 | 98,102 |
| Monarchies of Asia | 0 | - | 4.97 | 71,070 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,868 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,840 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,450 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,105 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,673 |
| 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 | 95,204 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,670 |
| Countries by Picture #1 | 0 | - | 4.53 | 100,417 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,445 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,950 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,925 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,983 |
| Island Countries | 0 | - | 4.99 | 710,217 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,490 |
| Himalayan Countries | 0 | - | 4.95 | 137,909 |
| Andean Countries | 0 | - | 4.95 | 84,172 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,380 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,962 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,037 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,485 |
| Danube Countries | 0 | - | 4.97 | 71,774 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,717 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,172 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,875 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,965 |
| European Landlocked Countries | 0 | - | 4.99 | 146,909 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,303 |
| Countries with the Most Species | 0 | - | 4.99 | 103,045 |
| 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 | 117,892 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 97,633 |
| 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 | 96,398 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,244 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,806 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,409 |
| 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 | 62,659 |
| 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 | 104,020 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,312 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,321 |
| 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 | 59,649 |
| 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 | 242,953 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,535 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,069 |
| Largest Countries By Category | 0 | - | 4.97 | 157,848 |
| Countries by Countries | 0 | - | 4.97 | 62,961 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,529 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,391 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,194 |
| 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 | 1,047,371 |
| Northernmost Countries | 0 | - | 4.99 | 361,036 |
| Countries of South America | 0 | - | 5.00 | 924,511 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,361 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,497 |
| "Land" Countries | 0 | - | 4.98 | 336,094 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,231 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,823 |
| All Country Flags of the World | 0 | - | 5.00 | 3,660,681 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,325 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,551 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,135 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,136 |
| 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 | 154,391 |
| 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 | 30,913 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,317,341 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,076 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,957 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,944 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,498 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,086 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,184 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,361 |
| Countries with Megacities | 0 | - | 4.99 | 262,946 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,196 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,176 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,498 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,216 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,076 |
| Countries by Official Language | 0 | - | 4.95 | 194,861 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,836 |
| Countries in their Native Language | 0 | - | 4.99 | 198,399 |
| Independence from Whom | 0 | - | 4.99 | 211,620 |
| 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 | 55,236 |
| 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 | 62,456 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,151 |
| 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 | 77,272 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,779 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,065 |
| 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 | 156,193 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 126,443 |
