| All Country Flags of the World | 0 | - | 5.00 | 3,724,013 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,682 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,176 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,094 |
| Flags with Crescents | 0 | - | 4.98 | 171,716 |
| Country Flag Trivia | 0 | - | 4.82 | 58,285 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,156 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,619 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,868 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,115 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,155 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,622 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,605 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,594 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,197 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,339 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,801 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,571 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,892 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,565 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,485 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,539 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,430 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,476 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,280 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,865 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,281 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,188 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,549 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,013 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,182 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,532 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,785 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,869 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,842 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,855 |
| Flags of North and South America | 0 | - | 4.99 | 378,036 |
| Flags to Languages | 0 | - | 4.95 | 174,684 |
| Former Flags | 0 | - | 4.97 | 108,807 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,302 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,140 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,094 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,279 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,254 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,389 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,674 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,524 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,652 |
| Flag Maths | 0 | - | 4.61 | 57,863 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,053 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,266 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,333 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,128 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,681 |
| World Coats of Arms | 0 | - | 4.99 | 65,313 |
| Similar Flags #1 | 0 | - | 4.75 | 130,941 |
| Similar Flags #2 | 0 | - | 4.74 | 138,217 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,764 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,977 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,944 |
| Emoji Flags | 0 | - | 4.35 | 44,324 |
| Countries by Road Signs | 0 | - | 4.98 | 54,440 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,274 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,596 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,649 |
| Select the World Flags | 0 | - | 4.28 | 38,035 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,646 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,226 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,830 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,545 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,590 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,181 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,755 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,541 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,115 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,254 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,143 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,041 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,770 |
| Pixelated World Map | 0 | - | 5.00 | 144,260 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,946 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,801 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,304 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,470 |
| Boundary Waters | 0 | - | 4.92 | 88,832 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,465 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,829 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,551 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,060 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,080 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,637 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,466 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,835 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,447 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,736 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,258 |
| Geography by Picture - B | 0 | - | 4.42 | 55,829 |
| Geography by Picture - H | 0 | - | 4.50 | 58,426 |
| Geography by Picture - N | 0 | - | 4.45 | 42,391 |
| Geography by Picture - R | 0 | - | 4.56 | 41,187 |
| Geography by Picture - T | 0 | - | 4.54 | 58,041 |
| Flags of Oceania | 0 | - | 5.00 | 263,407 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,826 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,640 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,576 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,874 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,599 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,964,501 |
| Flags of WW1 | 0 | - | 4.60 | 38,764 |
| Landlocked Countries | 0 | - | 4.99 | 427,196 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,719 |
| Satellite Images #1 | 0 | - | 4.46 | 130,071 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,758 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,445 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,292 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,252 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,660 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,911 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,987 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,507 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,158 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,183 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,323 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,885 |
| Himalayan Countries | 0 | - | 4.93 | 140,798 |
| Andean Countries | 0 | - | 4.94 | 85,787 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,908 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,475 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,457 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,681 |
| Danube Countries | 0 | - | 4.97 | 72,543 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,792 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,970 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,427 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,905 |
| European Landlocked Countries | 0 | - | 4.99 | 147,732 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,529 |
| Countries with the Most Species | 0 | - | 4.99 | 103,641 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,631 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,812 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,951 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,922 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,674 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,125 |
| Countries in the Alps | 0 | - | 4.87 | 118,964 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,977 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,116 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,053 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,167 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,122 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,386 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,584 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,987 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,510 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,309 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,950 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,829 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,667 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,919 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,015 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,134 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,727 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,409 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,831 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,269 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,477 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,609 |
| Largest Countries By Category | 0 | - | 4.97 | 159,078 |
| Countries by Countries | 0 | - | 4.97 | 63,799 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,430 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,446 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,704 |
| Merged Country Flags | 0 | - | 4.88 | 107,485 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,406 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,545 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,243 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,221 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,939 |
| Merged Countries #2 | 0 | - | 4.96 | 99,961 |
| Merged Countries #4 | 0 | - | 4.81 | 94,184 |
| Merged Countries #6 | 0 | - | 4.90 | 73,893 |
| Merged Countries #7 | 0 | - | 4.93 | 83,234 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,573 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,023 |
| Geography by Picture - A | 0 | - | 4.39 | 60,482 |
| Geography by Picture - D | 0 | - | 4.15 | 45,823 |
| Geography by Picture - F | 0 | - | 4.31 | 51,227 |
| Geography by Picture - G | 0 | - | 4.39 | 48,119 |
| Geography by Picture - J | 0 | - | 4.16 | 38,631 |
| Geography by Picture - K | 0 | - | 4.29 | 33,288 |
| Geography by Picture - C | 0 | - | 4.31 | 57,278 |
| Geography by Picture - L | 0 | - | 4.37 | 59,172 |
| Geography by Picture - M | 0 | - | 4.14 | 40,615 |
| Geography by Picture - P | 0 | - | 4.24 | 42,598 |
| Geography by Picture - S | 0 | - | 4.38 | 47,210 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,883 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,655 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,250 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,390 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,652 |
