| All Country Flags of the World | 0 | - | 5.00 | 3,726,664 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,117 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,429 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,234 |
| Flags with Crescents | 0 | - | 4.98 | 171,806 |
| Country Flag Trivia | 0 | - | 4.82 | 58,340 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,209 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,667 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,943 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,149 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,202 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,662 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,681 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,665 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,274 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,378 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,856 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,645 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,956 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,606 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,526 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,588 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,478 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,526 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,327 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,913 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,322 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,205 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,571 |
| 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 | 81,571 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,817 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,902 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,882 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,871 |
| Flags of North and South America | 0 | - | 4.99 | 378,273 |
| Flags to Languages | 0 | - | 4.95 | 174,720 |
| Former Flags | 0 | - | 4.97 | 108,861 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,314 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,155 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,121 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,288 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,695 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,419 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,699 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,563 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,728 |
| 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 | 83,287 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,350 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,144 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,691 |
| World Coats of Arms | 0 | - | 4.99 | 65,344 |
| Similar Flags #1 | 0 | - | 4.75 | 130,984 |
| Similar Flags #2 | 0 | - | 4.74 | 138,262 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,832 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,023 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,022 |
| Emoji Flags | 0 | - | 4.35 | 44,337 |
| Countries by Road Signs | 0 | - | 4.98 | 54,470 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,308 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,611 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,720 |
| Select the World Flags | 0 | - | 4.28 | 38,047 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,680 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,240 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,845 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,561 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,605 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,190 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,767 |
| 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 | 77,187 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,829 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,121 |
| Pixelated World Map | 0 | - | 5.00 | 144,360 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,300 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,828 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,354 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,476 |
| Boundary Waters | 0 | - | 4.92 | 88,858 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,474 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,596 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,082 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,102 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,693 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,479 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,848 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,462 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,755 |
| 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 | 263,588 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,907 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,679 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,649 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,907 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,650 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,987,568 |
| Flags of WW1 | 0 | - | 4.60 | 38,785 |
| Landlocked Countries | 0 | - | 4.99 | 427,473 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,483 |
| Satellite Images #1 | 0 | - | 4.46 | 130,137 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,995 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,487 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,326 |
| 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 | 167,197 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,216 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,382 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,015 |
| Himalayan Countries | 0 | - | 4.93 | 140,915 |
| Andean Countries | 0 | - | 4.94 | 85,850 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,960 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,560 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,501 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,721 |
| Danube Countries | 0 | - | 4.97 | 72,577 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,840 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,997 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,488 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,960 |
| European Landlocked Countries | 0 | - | 4.99 | 147,798 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,568 |
| Countries with the Most Species | 0 | - | 4.99 | 103,657 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,675 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,822 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,940 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,692 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,151 |
| Countries in the Alps | 0 | - | 4.87 | 119,010 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,059 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,200 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,076 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,198 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,157 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,408 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,625 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,014 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,522 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,329 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,966 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,841 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,689 |
| 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 | 120,193 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,753 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,627 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,865 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,438 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,563 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,631 |
| Largest Countries By Category | 0 | - | 4.97 | 159,126 |
| Countries by Countries | 0 | - | 4.97 | 63,826 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,482 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,452 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,714 |
| Merged Country Flags | 0 | - | 4.88 | 107,522 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,538 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,577 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,265 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,257 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,013 |
| Merged Countries #2 | 0 | - | 4.96 | 99,986 |
| Merged Countries #4 | 0 | - | 4.81 | 94,209 |
| Merged Countries #6 | 0 | - | 4.90 | 73,918 |
| Merged Countries #7 | 0 | - | 4.93 | 83,254 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,605 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,030 |
| 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 | 51,240 |
| Geography by Picture - G | 0 | - | 4.39 | 48,131 |
| 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 | 59,191 |
| 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 | 82,906 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,662 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,274 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,468 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,677 |
