| All Country Flags of the World | 0 | - | 5.00 | 3,720,786 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,137 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,845 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,885 |
| Flags with Crescents | 0 | - | 4.98 | 171,588 |
| Country Flag Trivia | 0 | - | 4.82 | 58,214 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,070 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,560 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,782 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,076 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,099 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,577 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,942 |
| Flags of North and South America | 0 | - | 4.99 | 377,614 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,846 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,978 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,236 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,318 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,517 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,512 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,093 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,296 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,746 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,478 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,821 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,508 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,455 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,468 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,385 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,441 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,234 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,835 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,240 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,164 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,270 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,531 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,992 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,147 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,498 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,754 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,832 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,801 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,109 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,674 |
| World Coats of Arms | 0 | - | 4.99 | 65,275 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,825 |
| Flags to Languages | 0 | - | 4.95 | 174,636 |
| Former Flags | 0 | - | 4.97 | 108,731 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,279 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,099 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,074 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,548 |
| Orthodox Countries | 0 | - | 4.92 | 132,893 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,873 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,686 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,823 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,638 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,263 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,351 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,661 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,462 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,578 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,277 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,617 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,200 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,696 |
| Countries by Road Signs | 0 | - | 4.98 | 54,410 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,228 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,286 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,871 |
| Flag Maths | 0 | - | 4.61 | 57,857 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,581 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,155 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,652 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,090 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,312 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,809 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,529 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,575 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,168 |
| Similar Flags #1 | 0 | - | 4.75 | 130,887 |
| Similar Flags #2 | 0 | - | 4.74 | 138,159 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,390 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,745 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,497 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,094 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,243 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,529 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,746 |
| Catholic Countries | 0 | - | 4.80 | 215,726 |
| Pixelated World Map | 0 | - | 5.00 | 144,195 |
| Buddhist Countries | 0 | - | 4.96 | 145,202 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,956 |
| Emoji Flags | 0 | - | 4.35 | 44,312 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,272 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,446 |
| Biblical Geography | 0 | - | 4.40 | 67,367 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,184 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,550 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,451 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,437 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,568 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,516 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,740 |
| Battle to Country | 0 | - | 4.91 | 54,065 |
| Monarchies of Europe | 0 | - | 4.90 | 98,974 |
| Monarchies of Asia | 0 | - | 4.97 | 71,567 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,559 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,325 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,298 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,827 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,417 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,724 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,247 |
| Flags of Oceania | 0 | - | 5.00 | 263,159 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,732 |
| Select the World Flags | 0 | - | 4.28 | 38,018 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,603 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,542 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,845 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,567 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,846 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,136 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,116 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,471 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,521 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,843 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,616 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,896 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,384 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,174 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,470 |
| Click a Valid World Capital A-Z | 0 | - | 4.84 | 91,603 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,646 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,172 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,890 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,435 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,581 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,909 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,196 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 539,262 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,006 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,895 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,792 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,551 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,093 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,346 |
| Merged Countries #2 | 0 | - | 4.96 | 99,935 |
| Merged Countries #4 | 0 | - | 4.81 | 94,169 |
| Merged Countries #6 | 0 | - | 4.90 | 73,870 |
| Merged Countries #7 | 0 | - | 4.93 | 83,214 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,375 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,093 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 57,524 |
| Geography by Picture - B | 0 | - | 4.42 | 55,820 |
| Geography by Picture - H | 0 | - | 4.50 | 58,414 |
| Geography by Picture - N | 0 | - | 4.45 | 42,378 |
| Geography by Picture - R | 0 | - | 4.56 | 41,174 |
| Geography by Picture - T | 0 | - | 4.54 | 58,025 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,907 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,132 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,547 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,770 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,938,101 |
| Countries in World War I | 0 | - | 4.88 | 229,339 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,329 |
| Hindu Countries | 0 | - | 4.86 | 50,631 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,841 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,129 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,754 |
| Satellite Images #1 | 0 | - | 4.46 | 130,040 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,739 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,427 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,281 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,247 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,626 |
| Boundary Waters | 0 | - | 4.92 | 88,815 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,435 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,783 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,465 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,027 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,051 |
| World Capitals Quiz | 0 | - | 5.00 | 5,111,038 |
| Landlocked Countries | 0 | - | 4.99 | 426,851 |
| Sharia Law Countries | 0 | - | 4.48 | 64,016 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,817 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,737 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,427 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,646 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,161 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,731,205 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,795 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,882 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,112 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,252 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,581 |
| Geography by Picture - A | 0 | - | 4.39 | 60,467 |
| Geography by Picture - D | 0 | - | 4.15 | 45,813 |
| Geography by Picture - F | 0 | - | 4.31 | 51,219 |
| Geography by Picture - G | 0 | - | 4.39 | 48,110 |
