| All Country Flags of the World | 0 | - | 5.00 | 3,635,599 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,168 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,258 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,761 |
| Flags with Crescents | 0 | - | 4.98 | 168,622 |
| Country Flag Trivia | 0 | - | 4.81 | 56,540 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,126 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,025 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,690 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,916 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,812 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,467 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,796 |
| Flags of North and South America | 0 | - | 4.99 | 370,770 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,959 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,282 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,815 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,876 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,715 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,447 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,471 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,149 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,137 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,983 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,170 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,277 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,029 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,739 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,206 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,523 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,926 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,093 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,098 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,403 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,616 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,720 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,264 |
| Flags to Languages | 0 | - | 4.95 | 173,135 |
| Former Flags | 0 | - | 4.97 | 107,271 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,805 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,265 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,163 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,054 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,500 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,703 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,849 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,415 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,932 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,079 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,082 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,614 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,521 |
| Flag Maths | 0 | - | 4.64 | 57,716 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,032 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,244 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,644 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,577 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,399 |
| World Coats of Arms | 0 | - | 4.99 | 64,187 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,347 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,701 |
| Similar Flags #1 | 0 | - | 4.74 | 129,592 |
| Similar Flags #2 | 0 | - | 4.74 | 136,876 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,291 |
| Emoji Flags | 0 | - | 4.35 | 43,956 |
| Countries by Road Signs | 0 | - | 4.98 | 53,487 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,774 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,324 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,758 |
| Select the World Flags | 0 | - | 4.27 | 37,597 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,136 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,029 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,667 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,929 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,801 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,221 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,889 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,010 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,807 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,373 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,693 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,162 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,604 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,809 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,377 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,771 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,257 |
| Pixelated World Map | 0 | - | 5.00 | 142,961 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,442 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,712,956 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,557 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,130 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,090 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,508 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,875 |
| Flags of Oceania | 0 | - | 5.00 | 257,352 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,635 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,759 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,484 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,859 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,320 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,693 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,987 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,174 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,773 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,258 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,008 |
| Geography by Picture - B | 0 | - | 4.42 | 55,514 |
| Geography by Picture - H | 0 | - | 4.50 | 58,136 |
| Geography by Picture - N | 0 | - | 4.45 | 42,128 |
| Geography by Picture - R | 0 | - | 4.56 | 40,955 |
| Geography by Picture - T | 0 | - | 4.54 | 57,764 |
| Flags of WW1 | 0 | - | 4.60 | 38,200 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,724 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,320 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,787 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,175 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,142 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,561 |
| Name a Valid African Country | 0 | - | 4.98 | 153,531 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,046 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,792 |
| Boundary Waters | 0 | - | 4.92 | 88,287 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,006 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,713 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,930 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,196 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,111 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,212,933 |
| Landlocked Countries | 0 | - | 4.99 | 417,272 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,585 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 563,572 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,617 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,313 |
| Merged Countries #2 | 0 | - | 4.96 | 98,786 |
| Merged Countries #6 | 0 | - | 4.90 | 73,018 |
| Merged Countries #7 | 0 | - | 4.93 | 82,282 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,472 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,285 |
| Satellite Images #1 | 0 | - | 4.46 | 129,213 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,166 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,805 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,806 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,897 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,710 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,265 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,093 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,427 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,438 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,391 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,654 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,189 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,480 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,255 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,553 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,835 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,314 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,363 |
| Which City in Europe? | 0 | - | 4.83 | 107,061 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,219 |
| Himalayan Countries | 0 | - | 4.95 | 136,764 |
| Andean Countries | 0 | - | 4.95 | 83,604 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,866 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,168 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,532 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,126 |
| Danube Countries | 0 | - | 4.97 | 71,488 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,304 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,904 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,298 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,298 |
| European Landlocked Countries | 0 | - | 4.99 | 146,197 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,878 |
| Countries with the Most Species | 0 | - | 4.99 | 102,387 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,009 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,357 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,536 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,205 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,857 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,234 |
| Countries in the Alps | 0 | - | 4.86 | 117,435 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,964 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,046 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,305 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,808 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,905 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,322 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,073 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,044 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,861 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,394 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,398 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,241 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,790 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,052 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,064 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,840 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,942 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,468 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,310 |
