| All Country Flags of the World | 0 | - | 5.00 | 3,688,124 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,479 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,971 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,863 |
| Flags with Crescents | 0 | - | 4.98 | 170,544 |
| Country Flag Trivia | 0 | - | 4.81 | 57,534 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,317 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,946 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,974 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,586 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,600 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,161 |
| Flags of North and South America | 0 | - | 4.99 | 374,959 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,427 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,579 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,145 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,695 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,924 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,607 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,840 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,939 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,879 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,886 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,880 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,960 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,764 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,385 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,833 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,882 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,285 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,630 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,734 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,084 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,301 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,370 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,271 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,619 |
| Flags to Languages | 0 | - | 4.95 | 174,056 |
| Former Flags | 0 | - | 4.97 | 108,106 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,066 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,782 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,717 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,428 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,420 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,092 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,374 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 90,932 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,640 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,010 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,356 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,948 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,975 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,599 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,366 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,938 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,109 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,025 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,910 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,564 |
| World Coats of Arms | 0 | - | 4.99 | 64,811 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,251 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,119 |
| Flag Maths | 0 | - | 4.64 | 57,802 |
| Similar Flags #1 | 0 | - | 4.75 | 130,392 |
| Similar Flags #2 | 0 | - | 4.74 | 137,702 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,063 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,324 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,430 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,493 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,240 |
| Emoji Flags | 0 | - | 4.35 | 44,187 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 534,281 |
| Countries by Road Signs | 0 | - | 4.98 | 54,108 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,685 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,427 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,829 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,246 |
| Select the World Flags | 0 | - | 4.27 | 37,869 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,388 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,092 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,597 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,302 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,374 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,025 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,607 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,732 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,872 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,942 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,065 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,412 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,773 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,915 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,796 |
| Pixelated World Map | 0 | - | 5.00 | 143,762 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,666 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,339 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,781 |
| Flags of WW1 | 0 | - | 4.60 | 38,549 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,843 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,308 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,588 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,707 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,219 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,056 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,249 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,297 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,391 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,926 |
| Orthodox Countries | 0 | - | 4.92 | 132,397 |
| Battle to Country | 0 | - | 4.91 | 53,638 |
| Monarchies of Europe | 0 | - | 4.90 | 98,467 |
| Monarchies of Asia | 0 | - | 4.97 | 71,305 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,335 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,092 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,133 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,703 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,188 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,588 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,150 |
| Flags of Oceania | 0 | - | 5.00 | 261,043 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,923 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.34 | 27,283 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,237 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,167 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,492 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,121 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,590 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,026 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,519 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,750 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,251 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,634 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,922 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,368 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,009 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,912 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,008 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,496 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,454 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,387 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,550 |
| Geography by Picture - B | 0 | - | 4.42 | 55,698 |
| Geography by Picture - H | 0 | - | 4.50 | 58,301 |
| Geography by Picture - N | 0 | - | 4.45 | 42,274 |
| Geography by Picture - R | 0 | - | 4.56 | 41,087 |
| Geography by Picture - T | 0 | - | 4.54 | 57,921 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,853 |
| Boundary Waters | 0 | - | 4.92 | 88,627 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,299 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,381 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,902 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,717 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,687 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,536 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,067 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,311 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,661 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,661,691 |
| Countries in World War I | 0 | - | 4.88 | 228,614 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,559 |
| Hindu Countries | 0 | - | 4.86 | 50,365 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,555 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,634 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.82 | 64,846 |
| Name a Country A-Z | 0 | - | 5.00 | 244,552 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,658 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,532 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,151 |
| Merged Countries #2 | 0 | - | 4.96 | 99,344 |
| Merged Countries #6 | 0 | - | 4.90 | 73,561 |
| Merged Countries #7 | 0 | - | 4.93 | 82,903 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,021 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 57,071 |
| Australia A-Z | 0 | - | 4.54 | 50,063 |
| Satellite Images #1 | 0 | - | 4.47 | 129,525 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,438 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,022 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,046 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,061 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,259 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 41,014 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,450 |
| Landlocked Countries | 0 | - | 4.99 | 422,988 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 46,881 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,212 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,237 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,682 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,287 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,125 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,724,106 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,965 |
| India A-Z | 0 | - | 4.42 | 34,199 |
| Italy A-Z | 0 | - | 4.49 | 58,520 |
| China A-Z | 0 | - | 4.55 | 67,423 |
| Germany A-Z | 0 | - | 4.56 | 62,735 |
| Scotland A-Z | 0 | - | 4.73 | 41,363 |
| Geography by Picture - A | 0 | - | 4.39 | 60,345 |
| Geography by Picture - D | 0 | - | 4.15 | 45,723 |
| Geography by Picture - F | 0 | - | 4.31 | 51,095 |
| Geography by Picture - G | 0 | - | 4.39 | 48,023 |
