| All Country Flags of the World | 0 | - | 5.00 | 3,724,099 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,698 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,184 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,099 |
| Flags with Crescents | 0 | - | 4.98 | 171,722 |
| Country Flag Trivia | 0 | - | 4.82 | 58,287 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,158 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,622 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,870 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,115 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,157 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,623 |
| Flags of North and South America | 0 | - | 4.99 | 378,051 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,607 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,597 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,198 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,341 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,801 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,571 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,897 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,565 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,488 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,542 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,433 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,479 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,281 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,865 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,282 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,188 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,549 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,015 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,183 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,533 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,787 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,870 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,842 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,857 |
| Flags to Languages | 0 | - | 4.95 | 174,684 |
| Former Flags | 0 | - | 4.97 | 108,807 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,302 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,140 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,094 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,865 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,978 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,279 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,256 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,391 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,675 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,526 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,654 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,055 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,267 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,333 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,765 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,128 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,681 |
| World Coats of Arms | 0 | - | 4.99 | 65,313 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,385 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,948 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,226 |
| Flag Maths | 0 | - | 4.61 | 57,864 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,473 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,601 |
| Similar Flags #1 | 0 | - | 4.75 | 130,942 |
| Similar Flags #2 | 0 | - | 4.74 | 138,219 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,797 |
| Emoji Flags | 0 | - | 4.35 | 44,324 |
| Countries by Road Signs | 0 | - | 4.98 | 54,442 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,650 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,277 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,646 |
| 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 | 77,143 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,832 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,546 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,591 |
| 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 | 62,160 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,542 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,115 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,255 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,801 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,062 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,781 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,921 |
| Pixelated World Map | 0 | - | 5.00 | 144,262 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,334 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,951 |
| 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 | 105,306 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,470 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,641 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,466 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 88,089 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,548 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,795 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,617 |
| Orthodox Countries | 0 | - | 4.92 | 132,945 |
| Battle to Country | 0 | - | 4.91 | 54,101 |
| Monarchies of Europe | 0 | - | 4.90 | 99,020 |
| Monarchies of Asia | 0 | - | 4.97 | 71,600 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,736 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,347 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,687 |
| 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 | 44,736 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,258 |
| Flags of Oceania | 0 | - | 5.00 | 263,414 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,828 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,642 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,578 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,875 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,601 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,275 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,216 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,527 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,583 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,905 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,642 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,477 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,524 |
| Click a Valid World Capital A-Z | 0 | - | 4.84 | 91,751 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,680 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,950 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,474 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,699 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,942 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 539,877 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,044 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,929 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,809 |
| 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 | 41,188 |
| Geography by Picture - T | 0 | - | 4.54 | 58,042 |
| 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 | 96,829 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,551 |
| "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 | 107,187 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,596 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,791 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,931 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,282 |
| Capitals Hidden in a Letter #1 | 0 | - | 4.96 | 21,365 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,965,288 |
| Countries in World War I | 0 | - | 4.88 | 229,414 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,427 |
| Hindu Countries | 0 | - | 4.86 | 50,661 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,249 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,860 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,648 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,126 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,406 |
| Merged Countries #2 | 0 | - | 4.96 | 99,961 |
| Merged Countries #4 | 0 | - | 4.81 | 94,185 |
| Merged Countries #6 | 0 | - | 4.90 | 73,894 |
| Merged Countries #7 | 0 | - | 4.93 | 83,234 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,407 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 57,572 |
| Satellite Images #1 | 0 | - | 4.46 | 130,073 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,766 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,446 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,293 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,254 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,662 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,397 |
| Landlocked Countries | 0 | - | 4.99 | 427,201 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,439 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,745 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,783 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,005 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,668 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,168 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,731,914 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,269 |
| Geography by Picture - A | 0 | - | 4.39 | 60,483 |
| 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 | 57,279 |
| 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 | 67,089 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,373 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,626 |
| European Cities by Picture #1 | 0 | - | 4.30 | 27,215 |
| Airline Logos | 0 | - | 4.45 | 141,560 |
