| All Country Flags of the World | 0 | - | 5.00 | 3,726,867 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,139 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,444 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,240 |
| Flags with Crescents | 0 | - | 4.98 | 171,808 |
| Country Flag Trivia | 0 | - | 4.82 | 58,343 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,210 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,668 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,947 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,150 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,202 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,665 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,683 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,671 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,280 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,380 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,861 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,646 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,966 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,606 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,532 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,592 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,479 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,528 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,331 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,916 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,324 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,207 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,572 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,040 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,211 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,575 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,819 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,905 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,883 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,871 |
| Flags of North and South America | 0 | - | 4.99 | 378,297 |
| Flags to Languages | 0 | - | 4.95 | 174,722 |
| Former Flags | 0 | - | 4.97 | 108,862 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,314 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,159 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,122 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,288 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,712 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,420 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,702 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,567 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,732 |
| Flag Maths | 0 | - | 4.61 | 57,870 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,098 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,289 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,350 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,145 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,691 |
| World Coats of Arms | 0 | - | 4.99 | 65,346 |
| Similar Flags #1 | 0 | - | 4.75 | 130,988 |
| Similar Flags #2 | 0 | - | 4.74 | 138,264 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,838 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,025 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,026 |
| Emoji Flags | 0 | - | 4.35 | 44,338 |
| Countries by Road Signs | 0 | - | 4.98 | 54,472 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,311 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,611 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,724 |
| Select the World Flags | 0 | - | 4.28 | 38,047 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,684 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,240 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,846 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,561 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,607 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,190 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,769 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,569 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,131 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,272 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,191 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,879 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,155 |
| Pixelated World Map | 0 | - | 5.00 | 144,384 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,326 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,829 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,356 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,477 |
| Boundary Waters | 0 | - | 4.92 | 88,860 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,476 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,869 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,601 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,083 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,103 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,697 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,479 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,849 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,462 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,757 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,266 |
| Geography by Picture - B | 0 | - | 4.42 | 55,841 |
| Geography by Picture - H | 0 | - | 4.50 | 58,441 |
| Geography by Picture - N | 0 | - | 4.45 | 42,405 |
| Geography by Picture - R | 0 | - | 4.56 | 41,203 |
| Geography by Picture - T | 0 | - | 4.54 | 58,058 |
| Flags of Oceania | 0 | - | 5.00 | 263,594 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,911 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,685 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,681 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,910 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,654 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,989,018 |
| Flags of WW1 | 0 | - | 4.60 | 38,785 |
| Landlocked Countries | 0 | - | 4.99 | 427,491 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,582 |
| Satellite Images #1 | 0 | - | 4.46 | 130,137 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,995 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,488 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,329 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,289 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,700 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,915 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,001 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,536 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,200 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,218 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,500 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,021 |
| Himalayan Countries | 0 | - | 4.93 | 140,926 |
| Andean Countries | 0 | - | 4.94 | 85,855 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,963 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,565 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,506 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,723 |
| Danube Countries | 0 | - | 4.97 | 72,579 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,842 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,998 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,490 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,962 |
| European Landlocked Countries | 0 | - | 4.99 | 147,801 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,571 |
| Countries with the Most Species | 0 | - | 4.99 | 103,658 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,676 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,824 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,943 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,695 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,153 |
| Countries in the Alps | 0 | - | 4.87 | 119,012 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,063 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,205 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,077 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,201 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,162 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,409 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,626 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,015 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,523 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,333 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,966 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,842 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,690 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,943 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,045 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,195 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,755 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,641 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,866 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,449 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,571 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,631 |
| Largest Countries By Category | 0 | - | 4.97 | 159,132 |
| Countries by Countries | 0 | - | 4.97 | 63,829 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,486 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,452 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,715 |
| Merged Country Flags | 0 | - | 4.88 | 107,525 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,541 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,579 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,267 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,263 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,139 |
| Merged Countries #2 | 0 | - | 4.96 | 99,989 |
| Merged Countries #4 | 0 | - | 4.81 | 94,211 |
| Merged Countries #6 | 0 | - | 4.90 | 73,924 |
| Merged Countries #7 | 0 | - | 4.93 | 83,258 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,607 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,031 |
| Geography by Picture - A | 0 | - | 4.39 | 60,500 |
| 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 | 38,643 |
| Geography by Picture - K | 0 | - | 4.29 | 33,301 |
| Geography by Picture - C | 0 | - | 4.31 | 57,294 |
| Geography by Picture - L | 0 | - | 4.37 | 59,192 |
| 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 | 82,907 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,662 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,275 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,472 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,681 |
