| All Country Flags of the World | 0 | - | 5.00 | 3,648,067 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,439 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,523 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,516 |
| Flags with Crescents | 0 | - | 4.98 | 169,058 |
| Country Flag Trivia | 0 | - | 4.81 | 56,764 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,406 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,235 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,026 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,097 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,005 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,606 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,349 |
| Flags of North and South America | 0 | - | 4.99 | 371,863 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,279 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,543 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,066 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,038 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,987 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,675 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,769 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,313 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,294 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,176 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,323 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,425 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,179 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,878 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,341 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,615 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,000 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,205 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,259 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,571 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,779 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,881 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,665 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,348 |
| Flags to Languages | 0 | - | 4.95 | 173,381 |
| Former Flags | 0 | - | 4.97 | 107,460 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,866 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,387 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,289 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,253 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,887 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,559 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,015 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,279 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,291 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,771 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,962 |
| Flag Maths | 0 | - | 4.64 | 57,745 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,255 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,353 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,720 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,659 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,439 |
| World Coats of Arms | 0 | - | 4.99 | 64,333 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,527 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,979 |
| Similar Flags #1 | 0 | - | 4.75 | 129,766 |
| Similar Flags #2 | 0 | - | 4.74 | 137,076 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,475 |
| Emoji Flags | 0 | - | 4.35 | 44,005 |
| Countries by Road Signs | 0 | - | 4.98 | 53,637 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,310 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,429 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,831 |
| Select the World Flags | 0 | - | 4.27 | 37,663 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,192 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,295 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,967 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,072 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,849 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,416 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,816 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,226 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,693 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,940 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,868 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,388 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,180 |
| Pixelated World Map | 0 | - | 5.00 | 143,136 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,715,619 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,224 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,305 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,150 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,657 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,037 |
| Flags of Oceania | 0 | - | 5.00 | 258,148 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,902 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,877 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,642 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,995 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,497 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,873 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,029 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,225 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,861 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,306 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,031 |
| Geography by Picture - B | 0 | - | 4.42 | 55,558 |
| Geography by Picture - H | 0 | - | 4.50 | 58,180 |
| Geography by Picture - N | 0 | - | 4.45 | 42,168 |
| Geography by Picture - R | 0 | - | 4.56 | 40,985 |
| Geography by Picture - T | 0 | - | 4.54 | 57,804 |
| Flags of WW1 | 0 | - | 4.60 | 38,286 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,787 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,391 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,052 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,404 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,929 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,757 |
| Name a Valid African Country | 0 | - | 4.98 | 153,752 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,331 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,804 |
| Boundary Waters | 0 | - | 4.92 | 88,370 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,072 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,891 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,148 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,321 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,260 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,320,925 |
| Landlocked Countries | 0 | - | 4.99 | 418,717 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,774 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,573 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,873 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,384 |
| Merged Countries #2 | 0 | - | 4.96 | 98,891 |
| Merged Countries #6 | 0 | - | 4.90 | 73,121 |
| Merged Countries #7 | 0 | - | 4.93 | 82,441 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,604 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,086 |
| Satellite Images #1 | 0 | - | 4.46 | 129,286 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,238 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,862 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,856 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,937 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,838 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,715 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,489 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,601 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,642 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,872 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,348 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,411 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,693 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,686 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,642 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,901 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,468 |
| Which City in Europe? | 0 | - | 4.83 | 107,154 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,901 |
| Himalayan Countries | 0 | - | 4.94 | 137,339 |
| Andean Countries | 0 | - | 4.95 | 83,885 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,176 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,583 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,797 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,318 |
| Danube Countries | 0 | - | 4.97 | 71,629 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,514 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,032 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,603 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,682 |
| European Landlocked Countries | 0 | - | 4.99 | 146,747 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,100 |
| Countries with the Most Species | 0 | - | 4.99 | 102,885 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,237 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,426 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,580 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,289 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,969 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,345 |
| Countries in the Alps | 0 | - | 4.87 | 117,648 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,109 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,324 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,394 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,959 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,068 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,430 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,251 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,165 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,951 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,533 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,466 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,327 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,905 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,175 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,192 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,138 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,050 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,560 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,493 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,278 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,172 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,983 |
| Largest Countries By Category | 0 | - | 4.97 | 157,605 |
| Countries by Countries | 0 | - | 4.96 | 62,819 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,176 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,153 |
