| All Country Flags of the World | 0 | - | 5.00 | 3,724,274 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,724 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,203 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,110 |
| Flags with Crescents | 0 | - | 4.98 | 171,724 |
| Country Flag Trivia | 0 | - | 4.82 | 58,292 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,160 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,629 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,874 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,117 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,158 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,626 |
| Flags of North and South America | 0 | - | 4.99 | 378,067 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,612 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,604 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,206 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,348 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,809 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,578 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,901 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,570 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,490 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,547 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,439 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,484 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,287 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,871 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,287 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,188 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,551 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,016 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,185 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,537 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,790 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,871 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,843 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,859 |
| Flags to Languages | 0 | - | 4.95 | 174,689 |
| Former Flags | 0 | - | 4.97 | 108,810 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,302 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,142 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,094 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,866 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,979 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,280 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,289 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,392 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,676 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,527 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,663 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,058 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,269 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,333 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,769 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,130 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,683 |
| World Coats of Arms | 0 | - | 4.99 | 65,313 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,388 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,953 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,227 |
| Flag Maths | 0 | - | 4.61 | 57,864 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,476 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,602 |
| Similar Flags #1 | 0 | - | 4.75 | 130,947 |
| Similar Flags #2 | 0 | - | 4.74 | 138,223 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,799 |
| Emoji Flags | 0 | - | 4.35 | 44,326 |
| Countries by Road Signs | 0 | - | 4.98 | 54,446 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,653 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,277 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,649 |
| Select the World Flags | 0 | - | 4.28 | 38,035 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,596 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,149 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,834 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,546 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,592 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,181 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,757 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,164 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,543 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,115 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,256 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,801 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,132 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,801 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,923 |
| Pixelated World Map | 0 | - | 5.00 | 144,263 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,339 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,982 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,977 |
| Flags of WW1 | 0 | - | 4.60 | 38,765 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,312 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,471 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,645 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,467 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 88,089 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,549 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,798 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,621 |
| Orthodox Countries | 0 | - | 4.92 | 132,947 |
| Battle to Country | 0 | - | 4.91 | 54,103 |
| Monarchies of Europe | 0 | - | 4.90 | 99,022 |
| Monarchies of Asia | 0 | - | 4.97 | 71,600 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,738 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,349 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,692 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,835 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,447 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,737 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,258 |
| Flags of Oceania | 0 | - | 5.00 | 263,425 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,834 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,644 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,580 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,879 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,603 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,286 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,219 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,531 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,585 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,908 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,644 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,481 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,524 |
| Click a Valid World Capital A-Z | 0 | - | 4.84 | 91,756 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,682 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,956 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,478 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,705 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,942 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 539,895 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,049 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,934 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,810 |
| Geography by Picture - B | 0 | - | 4.42 | 55,830 |
| Geography by Picture - H | 0 | - | 4.50 | 58,427 |
| Geography by Picture - N | 0 | - | 4.45 | 42,394 |
| Geography by Picture - R | 0 | - | 4.56 | 41,189 |
| Geography by Picture - T | 0 | - | 4.54 | 58,043 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,911 |
| Boundary Waters | 0 | - | 4.92 | 88,832 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,465 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,831 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,557 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,060 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,081 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,188 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,598 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,794 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,933 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,287 |
| Capitals Hidden in a Letter #1 | 0 | - | 4.96 | 21,365 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,966,602 |
| Countries in World War I | 0 | - | 4.88 | 229,420 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,460 |
| Hindu Countries | 0 | - | 4.86 | 50,661 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,251 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,860 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,654 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,130 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,412 |
| Merged Countries #2 | 0 | - | 4.96 | 99,962 |
| Merged Countries #4 | 0 | - | 4.81 | 94,186 |
| Merged Countries #6 | 0 | - | 4.90 | 73,896 |
| Merged Countries #7 | 0 | - | 4.93 | 83,237 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,410 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 57,575 |
| Satellite Images #1 | 0 | - | 4.46 | 130,083 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,787 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,448 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,295 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,257 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,665 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,518 |
| Landlocked Countries | 0 | - | 4.99 | 427,216 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,447 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,793 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,788 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,133 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,669 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,168 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,731,933 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,271 |
| Geography by Picture - A | 0 | - | 4.39 | 60,484 |
| Geography by Picture - D | 0 | - | 4.15 | 45,824 |
| Geography by Picture - F | 0 | - | 4.31 | 51,228 |
| Geography by Picture - G | 0 | - | 4.39 | 48,120 |
| Geography by Picture - J | 0 | - | 4.16 | 38,632 |
| Geography by Picture - K | 0 | - | 4.29 | 33,290 |
| Geography by Picture - C | 0 | - | 4.31 | 57,280 |
| Geography by Picture - L | 0 | - | 4.37 | 59,173 |
| Geography by Picture - M | 0 | - | 4.14 | 40,616 |
| Geography by Picture - P | 0 | - | 4.24 | 42,600 |
| Geography by Picture - S | 0 | - | 4.38 | 47,211 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,092 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,373 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,633 |
| European Cities by Picture #1 | 0 | - | 4.30 | 27,216 |
| Airline Logos | 0 | - | 4.45 | 141,565 |
