| All Country Flags of the World | 0 | - | 5.00 | 3,709,188 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,178 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,804 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,172 |
| Flags with Crescents | 0 | - | 4.98 | 171,213 |
| Country Flag Trivia | 0 | - | 4.81 | 57,933 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,815 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,353 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,500 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,918 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,430 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,219 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,222 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,782 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,119 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,507 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,225 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,532 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,324 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,265 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,266 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,213 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,295 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,084 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,684 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,092 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,062 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,456 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,883 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,015 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,369 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,598 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,687 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,631 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,775 |
| Flags of North and South America | 0 | - | 4.99 | 376,614 |
| Flags to Languages | 0 | - | 4.95 | 174,436 |
| Former Flags | 0 | - | 4.97 | 108,493 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,214 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,987 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 44,971 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,208 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,305 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,209 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,551 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,283 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,353 |
| Flag Maths | 0 | - | 4.61 | 57,827 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,777 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,137 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,228 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,032 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,629 |
| World Coats of Arms | 0 | - | 4.99 | 65,083 |
| Similar Flags #1 | 0 | - | 4.75 | 130,712 |
| Similar Flags #2 | 0 | - | 4.74 | 138,015 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,484 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,805 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,637 |
| Emoji Flags | 0 | - | 4.35 | 44,267 |
| Countries by Road Signs | 0 | - | 4.98 | 54,307 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,061 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,497 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,235 |
| Select the World Flags | 0 | - | 4.28 | 37,973 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,499 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,144 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,752 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,459 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,504 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,113 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,691 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,339 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,040 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,194 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,938 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,704 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,665 |
| Pixelated World Map | 0 | - | 5.00 | 144,036 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,991 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,628 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,146 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,400 |
| Boundary Waters | 0 | - | 4.92 | 88,743 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,396 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,646 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,272 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,922 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,920 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,311 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,381 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,783 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,338 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,678 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,216 |
| Geography by Picture - B | 0 | - | 4.42 | 55,766 |
| Geography by Picture - H | 0 | - | 4.50 | 58,367 |
| Geography by Picture - N | 0 | - | 4.45 | 42,331 |
| Geography by Picture - R | 0 | - | 4.56 | 41,137 |
| Geography by Picture - T | 0 | - | 4.54 | 57,992 |
| Flags of Oceania | 0 | - | 5.00 | 262,419 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,483 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,407 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,402 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,727 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,415 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,840,271 |
| Flags of WW1 | 0 | - | 4.60 | 38,665 |
| Landlocked Countries | 0 | - | 4.99 | 425,143 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 586,799 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,764 |
| Satellite Images #1 | 0 | - | 4.47 | 129,939 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,628 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,185 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,196 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,180 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,525 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,891 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,899 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,364 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,911 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,936 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,123 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,964 |
| Himalayan Countries | 0 | - | 4.93 | 140,007 |
| Andean Countries | 0 | - | 4.94 | 85,309 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,469 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,821 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,036 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,327 |
| Danube Countries | 0 | - | 4.97 | 72,320 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,492 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,764 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,990 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,488 |
| European Landlocked Countries | 0 | - | 4.99 | 147,541 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,200 |
| Countries with the Most Species | 0 | - | 4.99 | 103,520 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,329 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,745 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,854 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,792 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,526 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,961 |
| Countries in the Alps | 0 | - | 4.87 | 118,690 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,491 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,757 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,923 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,970 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,885 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,195 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,331 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,813 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,381 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,127 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,826 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,699 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,506 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,737 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,834 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,701 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,565 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,706 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,601 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,477 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,012 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,476 |
| Largest Countries By Category | 0 | - | 4.97 | 158,775 |
| Countries by Countries | 0 | - | 4.96 | 63,581 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,190 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,380 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,653 |
| Merged Country Flags | 0 | - | 4.88 | 107,333 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,818 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,374 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,115 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,047 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,801,004 |
| Merged Countries #2 | 0 | - | 4.96 | 99,843 |
| Merged Countries #4 | 0 | - | 4.81 | 94,085 |
| Merged Countries #6 | 0 | - | 4.90 | 73,781 |
| Merged Countries #7 | 0 | - | 4.93 | 83,109 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,419 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,968 |
| Geography by Picture - A | 0 | - | 4.39 | 60,416 |
| Geography by Picture - D | 0 | - | 4.15 | 45,773 |
| Geography by Picture - F | 0 | - | 4.31 | 51,161 |
| Geography by Picture - G | 0 | - | 4.39 | 48,069 |
| Geography by Picture - J | 0 | - | 4.16 | 38,585 |
| Geography by Picture - K | 0 | - | 4.29 | 33,238 |
| Geography by Picture - C | 0 | - | 4.31 | 57,218 |
| Geography by Picture - L | 0 | - | 4.37 | 59,123 |
| Geography by Picture - M | 0 | - | 4.14 | 40,569 |
| Geography by Picture - P | 0 | - | 4.24 | 42,554 |
| Geography by Picture - S | 0 | - | 4.38 | 47,174 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,757 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,607 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,151 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,963 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,534 |
