| All Country Flags of the World | 0 | - | 5.00 | 3,727,384 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,217 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,483 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,273 |
| Flags with Crescents | 0 | - | 4.98 | 171,829 |
| Country Flag Trivia | 0 | - | 4.82 | 58,354 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,222 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,675 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,959 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,157 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,205 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,667 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,696 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,690 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,293 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,389 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,873 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,659 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,973 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,612 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,543 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,597 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,488 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,536 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,340 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,918 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,332 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,213 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,573 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,045 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,216 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,584 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,825 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,912 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,894 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,872 |
| Flags of North and South America | 0 | - | 4.99 | 378,348 |
| Flags to Languages | 0 | - | 4.95 | 174,732 |
| Former Flags | 0 | - | 4.97 | 108,867 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,319 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,174 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,127 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,290 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,810 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,428 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,707 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,576 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,744 |
| Flag Maths | 0 | - | 4.61 | 57,870 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,110 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,293 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,353 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,149 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,694 |
| World Coats of Arms | 0 | - | 4.99 | 65,352 |
| Similar Flags #1 | 0 | - | 4.75 | 130,994 |
| Similar Flags #2 | 0 | - | 4.74 | 138,274 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,845 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,029 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,040 |
| Emoji Flags | 0 | - | 4.35 | 44,339 |
| Countries by Road Signs | 0 | - | 4.98 | 54,476 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,314 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,613 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,740 |
| Select the World Flags | 0 | - | 4.28 | 38,050 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,688 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,241 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,850 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,562 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,610 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,193 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,771 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,577 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,132 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,279 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,196 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,028 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,238 |
| Pixelated World Map | 0 | - | 5.00 | 144,461 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,406 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,837 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,362 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,480 |
| Boundary Waters | 0 | - | 4.92 | 88,867 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,479 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,876 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,612 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,089 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,106 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,703 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,479 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,850 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,463 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,759 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,266 |
| Geography by Picture - B | 0 | - | 4.42 | 55,842 |
| Geography by Picture - H | 0 | - | 4.50 | 58,441 |
| Geography by Picture - N | 0 | - | 4.45 | 42,406 |
| Geography by Picture - R | 0 | - | 4.56 | 41,203 |
| Geography by Picture - T | 0 | - | 4.54 | 58,058 |
| Flags of Oceania | 0 | - | 5.00 | 263,640 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,928 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,698 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,768 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,926 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,673 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,992,978 |
| Flags of WW1 | 0 | - | 4.60 | 38,787 |
| Landlocked Countries | 0 | - | 4.99 | 427,552 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,740 |
| Satellite Images #1 | 0 | - | 4.46 | 130,141 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,996 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,492 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,332 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,291 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,706 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,916 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,007 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,539 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,209 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,228 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,873 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,060 |
| Himalayan Countries | 0 | - | 4.93 | 140,955 |
| Andean Countries | 0 | - | 4.94 | 85,865 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,972 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,585 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,519 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,735 |
| Danube Countries | 0 | - | 4.97 | 72,587 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,847 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,000 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,500 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,972 |
| European Landlocked Countries | 0 | - | 4.99 | 147,806 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,578 |
| Countries with the Most Species | 0 | - | 4.99 | 103,661 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,685 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,826 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,965 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,946 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,699 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,156 |
| Countries in the Alps | 0 | - | 4.87 | 119,020 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,074 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,214 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,081 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,206 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,175 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,413 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,022 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,529 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,338 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,968 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,846 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,694 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,946 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,046 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,208 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,759 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,665 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,874 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,472 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,589 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,634 |
| Largest Countries By Category | 0 | - | 4.97 | 159,141 |
| Countries by Countries | 0 | - | 4.97 | 63,833 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,493 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,454 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,716 |
| Merged Country Flags | 0 | - | 4.88 | 107,537 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,563 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,588 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,272 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,268 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,539 |
| Merged Countries #2 | 0 | - | 4.96 | 99,997 |
| Merged Countries #4 | 0 | - | 4.81 | 94,216 |
| Merged Countries #6 | 0 | - | 4.90 | 73,929 |
| Merged Countries #7 | 0 | - | 4.93 | 83,265 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,610 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,032 |
| Geography by Picture - A | 0 | - | 4.39 | 60,501 |
| Geography by Picture - D | 0 | - | 4.15 | 45,833 |
| Geography by Picture - F | 0 | - | 4.31 | 51,241 |
| Geography by Picture - G | 0 | - | 4.39 | 48,133 |
| Geography by Picture - J | 0 | - | 4.16 | 38,644 |
| Geography by Picture - K | 0 | - | 4.29 | 33,302 |
| Geography by Picture - C | 0 | - | 4.31 | 57,296 |
| Geography by Picture - L | 0 | - | 4.37 | 59,193 |
| Geography by Picture - M | 0 | - | 4.14 | 40,633 |
| Geography by Picture - P | 0 | - | 4.24 | 42,615 |
| Geography by Picture - S | 0 | - | 4.38 | 47,221 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,914 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,665 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,277 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,494 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,688 |
