| All Country Flags of the World | 0 | - | 5.00 | 3,725,693 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,965 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,329 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,178 |
| Flags with Crescents | 0 | - | 4.98 | 171,781 |
| Country Flag Trivia | 0 | - | 4.82 | 58,321 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,193 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,649 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,916 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,140 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,190 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,646 |
| Flags of North and South America | 0 | - | 4.99 | 378,198 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,655 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,643 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,246 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,368 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,835 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,617 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,938 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,597 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,512 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,572 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,468 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,510 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,311 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,895 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,310 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,196 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,566 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,026 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,200 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,560 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,804 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,889 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,866 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,867 |
| Flags to Languages | 0 | - | 4.95 | 174,706 |
| Former Flags | 0 | - | 4.97 | 108,834 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,308 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,150 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,114 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,890 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,008 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,286 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,512 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,404 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,688 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,538 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,698 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,083 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,281 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,345 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,814 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,135 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,686 |
| World Coats of Arms | 0 | - | 4.99 | 65,330 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,439 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,000 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,234 |
| Flag Maths | 0 | - | 4.61 | 57,867 |
| Similar Flags #1 | 0 | - | 4.75 | 130,968 |
| Similar Flags #2 | 0 | - | 4.74 | 138,247 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,825 |
| Emoji Flags | 0 | - | 4.35 | 44,332 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,633 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 57,193 |
| Countries by Road Signs | 0 | - | 4.98 | 54,457 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,690 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,298 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,669 |
| Select the World Flags | 0 | - | 4.28 | 38,044 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,605 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,171 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,842 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,555 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,603 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,185 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,762 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,182 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,555 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,120 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,267 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,817 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,583 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,004 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,960 |
| Pixelated World Map | 0 | - | 5.00 | 144,280 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,362 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,168 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,984 |
| Flags of WW1 | 0 | - | 4.60 | 38,779 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,343 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,476 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,670 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,474 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,491 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,612 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,564 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,816 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,652 |
| Orthodox Countries | 0 | - | 4.92 | 132,975 |
| Battle to Country | 0 | - | 4.91 | 54,123 |
| Monarchies of Europe | 0 | - | 4.90 | 99,044 |
| Monarchies of Asia | 0 | - | 4.97 | 71,615 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,748 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,361 |
| Countries by Wikipedia Descriptions #2 | 0 | - | 4.43 | 47,742 |
| Countries by Wikipedia Descriptions #3 | 0 | - | 4.55 | 39,513 |
| Countries by Wikipedia Descriptions #5 | 0 | - | 4.77 | 43,187 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,714 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,843 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,456 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,748 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,261 |
| Flags of Oceania | 0 | - | 5.00 | 263,515 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,879 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,671 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,600 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,893 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,633 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,361 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,277 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,559 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,606 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,933 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,649 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,519 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,550 |
| Click a Valid World Capital A-Z | 0 | - | 4.84 | 91,805 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,701 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,985 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,495 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,759 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,956 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 540,148 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,081 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,957 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,817 |
| Geography by Picture - B | 0 | - | 4.42 | 55,837 |
| Geography by Picture - H | 0 | - | 4.50 | 58,436 |
| Geography by Picture - N | 0 | - | 4.45 | 42,402 |
| Geography by Picture - R | 0 | - | 4.56 | 41,199 |
| Geography by Picture - T | 0 | - | 4.54 | 58,052 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,914 |
| Boundary Waters | 0 | - | 4.92 | 88,846 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,472 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,855 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,583 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,076 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,093 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,213 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,619 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,816 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,942 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,331 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,979,438 |
| Countries in World War I | 0 | - | 4.88 | 229,462 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,653 |
| Hindu Countries | 0 | - | 4.86 | 50,675 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,279 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,873 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,691 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,145 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,431 |
| Merged Countries #2 | 0 | - | 4.96 | 99,979 |
| Merged Countries #4 | 0 | - | 4.81 | 94,204 |
| Merged Countries #6 | 0 | - | 4.90 | 73,912 |
| Merged Countries #7 | 0 | - | 4.93 | 83,250 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,428 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 57,602 |
| Satellite Images #1 | 0 | - | 4.46 | 130,121 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,928 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,473 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,313 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,280 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,688 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,668 |
| Landlocked Countries | 0 | - | 4.99 | 427,368 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,474 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,216 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,806 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,326 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,679 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,172 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,732,281 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,283 |
| Geography by Picture - A | 0 | - | 4.39 | 60,496 |
| Geography by Picture - D | 0 | - | 4.15 | 45,830 |
| Geography by Picture - F | 0 | - | 4.31 | 51,237 |
| Geography by Picture - G | 0 | - | 4.39 | 48,127 |
| Geography by Picture - J | 0 | - | 4.16 | 38,640 |
| Geography by Picture - K | 0 | - | 4.29 | 33,298 |
| Geography by Picture - C | 0 | - | 4.31 | 57,286 |
| Geography by Picture - L | 0 | - | 4.37 | 59,186 |
| Geography by Picture - M | 0 | - | 4.14 | 40,628 |
| Geography by Picture - P | 0 | - | 4.24 | 42,610 |
| Geography by Picture - S | 0 | - | 4.38 | 47,218 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,113 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,391 |
