| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,524 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,029 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,482 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,208 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,632 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,159 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,521 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,574 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,873 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,604 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,785 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,788 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,529 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,839 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,931 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,691 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,416 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,917 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,339 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,743 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,701 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,973 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,122 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,301 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,414 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,304 |
| World Coats of Arms | 0 | - | 4.99 | 63,944 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,097 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,671 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,878 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,926 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 30,990 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,742 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,554 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,144 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,704 |
| Merged Countries #2 | 0 | - | 4.96 | 98,528 |
| Merged Countries #6 | 0 | - | 4.91 | 72,781 |
| Merged Countries #7 | 0 | - | 4.92 | 82,031 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,984,841 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,630 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,631 |
| Pixelated World Map | 0 | - | 5.00 | 142,549 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,035 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,585 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,099 |
| Every Country Shape | 0 | - | 5.00 | 459,699 |
| Flags of North and South America | 0 | - | 4.99 | 368,156 |
| Former Flags | 0 | - | 4.97 | 106,841 |
| Landlocked Countries | 0 | - | 4.99 | 414,398 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,236 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,531 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,526 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,177 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,092 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,725 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,872 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 46,721 |
| Similar Flags #1 | 0 | - | 4.74 | 129,228 |
| Similar Flags #2 | 0 | - | 4.74 | 136,480 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,252 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,172 |
| Orthodox Countries | 0 | - | 4.91 | 130,500 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,177 |
| Battle to Country | 0 | - | 4.91 | 52,603 |
| Monarchies of Europe | 0 | - | 4.90 | 97,422 |
| Monarchies of Asia | 0 | - | 4.97 | 70,657 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,478 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 294,687 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,449 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 162,846 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,690 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,442 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,754 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,366 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,392 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,104 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,646 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,126 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,714 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,720 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,448 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,018 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,928 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,412 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,228 |
| Island Countries | 0 | - | 4.99 | 707,920 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,923 |
| Himalayan Countries | 0 | - | 4.95 | 135,635 |
| Andean Countries | 0 | - | 4.94 | 82,986 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,340 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,389 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,043 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,715 |
| Danube Countries | 0 | - | 4.97 | 71,159 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,865 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,615 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,651 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,559 |
| European Landlocked Countries | 0 | - | 4.99 | 145,858 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,325 |
| Countries with the Most Species | 0 | - | 4.99 | 95,289 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,476 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,227 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,396 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,005 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,643 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,009 |
| Countries in the Alps | 0 | - | 4.86 | 116,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,656 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,419 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,080 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,488 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,268 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,070 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,671 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,824 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,562 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,130 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,223 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,088 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,517 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,810 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,813 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,235 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,721 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,301 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,876 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,719 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,927 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,671 |
| Largest Countries By Category | 0 | - | 4.97 | 156,889 |
| Countries by Countries | 0 | - | 4.96 | 62,339 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,563 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,526 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,994 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,353 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,843 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,534 |
| Northernmost Countries | 0 | - | 4.99 | 358,150 |
| Countries of South America | 0 | - | 5.00 | 916,122 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,237 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,084 |
| "Land" Countries | 0 | - | 4.98 | 333,862 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,752 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,035 |
| All Country Flags of the World | 0 | - | 5.00 | 3,609,753 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,437 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,440 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,326 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,162 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,723 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,417 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,695 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,655 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,892 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,667 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 28,497 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,238,613 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,337 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,203 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,534 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,640 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,403 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,967 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,636 |
| Countries with Megacities | 0 | - | 4.99 | 247,594 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,479 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,212 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,892 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,138 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,114 |
| Countries by Official Language | 0 | - | 4.95 | 192,944 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,365 |
| Countries in their Native Language | 0 | - | 4.99 | 196,794 |
| Independence from Whom | 0 | - | 4.99 | 209,900 |
| Subdivisions by Country | 0 | - | 4.86 | 50,103 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,897 |
| Megadiverse Countries | 0 | - | 4.97 | 133,965 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,954 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,957 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,468 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,877 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,763 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,055 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,187 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,220 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,251 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,761 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 100,922 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,741 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,456 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,554 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,539 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,730 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,064 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,816 |
| World Map Quiz | 0 | - | 4.81 | 63,645 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,143 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,671 |