| All Country Flags of the World | 0 | - | 5.00 | 3,706,843 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,604 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,557 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,032 |
| Flags with Crescents | 0 | - | 4.98 | 171,146 |
| Country Flag Trivia | 0 | - | 4.81 | 57,878 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,756 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,308 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,419 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,842 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,868 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,404 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,156 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,171 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,714 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,084 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,460 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,175 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,471 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,292 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,233 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,230 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,179 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,258 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,045 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,655 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,075 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,046 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,440 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,859 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,996 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,340 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,571 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,653 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,602 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,762 |
| Flags of North and South America | 0 | - | 4.99 | 376,403 |
| Flags to Languages | 0 | - | 4.95 | 174,404 |
| Former Flags | 0 | - | 4.97 | 108,433 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,200 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,966 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,945 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,193 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,051 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,193 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,527 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,233 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,317 |
| Flag Maths | 0 | - | 4.61 | 57,825 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,727 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,111 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,217 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,017 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,618 |
| World Coats of Arms | 0 | - | 4.99 | 65,053 |
| Similar Flags #1 | 0 | - | 4.75 | 130,672 |
| Similar Flags #2 | 0 | - | 4.74 | 137,974 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,415 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,774 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,585 |
| Emoji Flags | 0 | - | 4.35 | 44,265 |
| Countries by Road Signs | 0 | - | 4.98 | 54,292 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,010 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,472 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,175 |
| Select the World Flags | 0 | - | 4.28 | 37,960 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,471 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,127 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,733 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,449 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,487 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,099 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,684 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,305 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,033 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,183 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,887 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,914 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,223 |
| Pixelated World Map | 0 | - | 5.00 | 144,000 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,657 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,610 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,116 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,384 |
| Boundary Waters | 0 | - | 4.92 | 88,729 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,383 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,607 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,229 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,881 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,886 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,267 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,370 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,779 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,325 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,664 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,209 |
| Geography by Picture - B | 0 | - | 4.42 | 55,756 |
| Geography by Picture - H | 0 | - | 4.50 | 58,357 |
| Geography by Picture - N | 0 | - | 4.45 | 42,327 |
| Geography by Picture - R | 0 | - | 4.56 | 41,130 |
| Geography by Picture - T | 0 | - | 4.54 | 57,980 |
| Flags of Oceania | 0 | - | 5.00 | 262,272 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,419 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,385 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,379 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,702 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,381 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,817,038 |
| Flags of WW1 | 0 | - | 4.60 | 38,653 |
| Landlocked Countries | 0 | - | 4.99 | 424,911 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 586,111 |
| Satellite Images #1 | 0 | - | 4.47 | 129,927 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,619 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,175 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,189 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,174 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,496 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,888 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,887 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,331 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,869 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,898 |
| World Capitals Quiz | 0 | - | 5.00 | 5,101,555 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,830 |
| Himalayan Countries | 0 | - | 4.93 | 139,918 |
| Andean Countries | 0 | - | 4.94 | 85,260 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,426 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,766 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,993 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,296 |
| Danube Countries | 0 | - | 4.97 | 72,302 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,464 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,746 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,935 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,435 |
| European Landlocked Countries | 0 | - | 4.99 | 147,504 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,157 |
| Countries with the Most Species | 0 | - | 4.99 | 103,510 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,294 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,727 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,839 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,775 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,508 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,939 |
| Countries in the Alps | 0 | - | 4.87 | 118,657 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,434 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,690 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,907 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,936 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,860 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,174 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,297 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,797 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,362 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,100 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,810 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,686 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,481 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,716 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,813 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,618 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,548 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,646 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,542 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,370 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,939 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,460 |
| Largest Countries By Category | 0 | - | 4.97 | 158,733 |
| Countries by Countries | 0 | - | 4.96 | 63,551 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,162 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,377 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,652 |
| Merged Country Flags | 0 | - | 4.88 | 107,306 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,707 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,317 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,091 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,022 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,995 |
| Merged Countries #2 | 0 | - | 4.96 | 99,822 |
| Merged Countries #4 | 0 | - | 4.81 | 94,063 |
| Merged Countries #6 | 0 | - | 4.90 | 73,754 |
| Merged Countries #7 | 0 | - | 4.93 | 83,095 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,386 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,959 |
| Geography by Picture - A | 0 | - | 4.39 | 60,408 |
| Geography by Picture - D | 0 | - | 4.15 | 45,768 |
| Geography by Picture - F | 0 | - | 4.31 | 51,150 |
| Geography by Picture - G | 0 | - | 4.39 | 48,061 |
| Geography by Picture - J | 0 | - | 4.16 | 38,574 |
| Geography by Picture - K | 0 | - | 4.29 | 33,230 |
| Geography by Picture - C | 0 | - | 4.31 | 57,213 |
| Geography by Picture - L | 0 | - | 4.37 | 59,112 |
| Geography by Picture - M | 0 | - | 4.14 | 40,562 |
| Geography by Picture - P | 0 | - | 4.24 | 42,547 |
| Geography by Picture - S | 0 | - | 4.38 | 47,166 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,742 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,602 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,129 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,884 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,507 |
