| All Country Flags of the World | 0 | - | 5.00 | 3,605,755 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,027 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,719 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,893 |
| Flags with Crescents | 0 | - | 4.98 | 167,664 |
| Country Flag Trivia | 0 | - | 4.81 | 55,987 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,494 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,515 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,983 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,507 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,423 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,084 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,865 |
| Flags of North and South America | 0 | - | 4.99 | 367,743 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,882 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,339 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,021 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,431 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,966 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,744 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,399 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,683 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,711 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,444 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,786 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,856 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,626 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,349 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,861 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,300 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,702 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,798 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,474 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,766 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,868 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,059 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,063 |
| Flags to Languages | 0 | - | 4.95 | 172,570 |
| Former Flags | 0 | - | 4.97 | 106,759 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,635 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,160 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,826 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,447 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,686 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,722 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,100 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,653 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,593 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,523 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,333 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,462 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,491 |
| Flag Maths | 0 | - | 4.78 | 57,681 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,441 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,996 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,460 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,388 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,289 |
| World Coats of Arms | 0 | - | 4.99 | 63,895 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,857 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,994 |
| Similar Flags #1 | 0 | - | 4.74 | 129,162 |
| Similar Flags #2 | 0 | - | 4.74 | 136,417 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,871 |
| Emoji Flags | 0 | - | 4.35 | 43,828 |
| Countries by Road Signs | 0 | - | 4.98 | 53,137 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,070 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,593 |
| Select the World Flags | 0 | - | 4.27 | 37,420 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,006 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,070 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,704 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,847 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 46,693 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,231 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,406 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,997 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,413 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,437 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,817 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,038 |
| Pixelated World Map | 0 | - | 5.00 | 142,500 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,706,244 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,853 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,744 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,948 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,183 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,422 |
| Flags of Oceania | 0 | - | 5.00 | 255,476 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,960 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,490 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,127 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,476 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,869 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,832 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,311 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,922 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,049 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,583 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,161 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,922 |
| Geography by Picture - B | 0 | - | 4.42 | 55,428 |
| Geography by Picture - H | 0 | - | 4.49 | 58,061 |
| Geography by Picture - N | 0 | - | 4.45 | 42,059 |
| Geography by Picture - R | 0 | - | 4.55 | 40,885 |
| Geography by Picture - T | 0 | - | 4.54 | 57,691 |
| Flags of WW1 | 0 | - | 4.60 | 37,974 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,555 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,137 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,007 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,716 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,024 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,103 |
| Name a Valid African Country | 0 | - | 4.98 | 153,010 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,324 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,743 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,381,176 |
| Boundary Waters | 0 | - | 4.92 | 88,066 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,833 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,341 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,364 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,869 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,782 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,278 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,950,048 |
| Landlocked Countries | 0 | - | 4.99 | 413,937 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,026 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,996 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,146 |
| Merged Countries #2 | 0 | - | 4.96 | 98,508 |
| Merged Countries #6 | 0 | - | 4.91 | 72,745 |
| Merged Countries #7 | 0 | - | 4.92 | 81,997 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,151 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,899 |
| Satellite Images #1 | 0 | - | 4.46 | 129,038 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,008 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,666 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,664 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,818 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,399 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,531 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,189 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,046 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,702 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,101 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,821 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,038 |
| World Capitals Quiz | 0 | - | 5.00 | 5,033,983 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,299 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,668 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,896 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,102 |
| Which City in Europe? | 0 | - | 4.83 | 106,757 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,735 |
| Himalayan Countries | 0 | - | 4.95 | 135,482 |
| Andean Countries | 0 | - | 4.94 | 82,880 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,267 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,284 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,963 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,649 |
| Danube Countries | 0 | - | 4.97 | 71,109 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,807 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,571 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,558 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,465 |
| European Landlocked Countries | 0 | - | 4.99 | 145,793 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,257 |
| Countries with the Most Species | 0 | - | 4.99 | 95,259 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,399 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,209 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,381 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,975 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,597 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,976 |
| Countries in the Alps | 0 | - | 4.86 | 116,882 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,603 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,323 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,037 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,453 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,217 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,038 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,615 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,783 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,424 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,099 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,205 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,059 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,475 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,786 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,778 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,146 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,683 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,276 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,821 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,494 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,794 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,622 |
| Largest Countries By Category | 0 | - | 4.97 | 156,821 |
| Countries by Countries | 0 | - | 4.96 | 62,294 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,453 |
