| All Country Flags of the World | 0 | - | 5.00 | 3,672,290 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,593 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,611 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,934 |
| Flags with Crescents | 0 | - | 4.98 | 169,832 |
| Country Flag Trivia | 0 | - | 4.81 | 57,186 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,967 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,658 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,602 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,386 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,346 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,935 |
| Flags of North and South America | 0 | - | 4.99 | 373,706 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,033 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,238 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,745 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,479 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,593 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,276 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,451 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,720 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,651 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,641 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,671 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,767 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,539 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,199 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,634 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,777 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,182 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,465 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,540 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,879 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,088 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,192 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,039 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,518 |
| Flags to Languages | 0 | - | 4.95 | 173,789 |
| Former Flags | 0 | - | 4.97 | 107,848 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,994 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,624 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,554 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,230 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,907 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,014 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,579 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,818 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,234 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,690 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,711 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,030 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,788 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,015 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,713 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,816 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,528 |
| World Coats of Arms | 0 | - | 4.99 | 64,624 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,724 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,718 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,956 |
| Flag Maths | 0 | - | 4.64 | 57,775 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,877 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,092 |
| Similar Flags #1 | 0 | - | 4.75 | 130,169 |
| Similar Flags #2 | 0 | - | 4.74 | 137,457 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,126 |
| Emoji Flags | 0 | - | 4.35 | 44,131 |
| Countries by Road Signs | 0 | - | 4.98 | 53,937 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,156 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,679 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,065 |
| Select the World Flags | 0 | - | 4.27 | 37,799 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,310 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,848 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,510 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,200 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,284 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,968 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,549 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,510 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,395 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,809 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,933 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,221 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,239 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,551 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,435 |
| Pixelated World Map | 0 | - | 5.00 | 143,515 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,378 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,246 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,689 |
| Flags of WW1 | 0 | - | 4.60 | 38,442 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,627 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,239 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,185 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,093 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,488 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,206 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,184 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,625 |
| Orthodox Countries | 0 | - | 4.92 | 132,111 |
| Battle to Country | 0 | - | 4.91 | 53,434 |
| Monarchies of Europe | 0 | - | 4.90 | 98,240 |
| Monarchies of Asia | 0 | - | 4.97 | 71,149 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,144 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,955 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,888 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,594 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,031 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,490 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,053 |
| Flags of Oceania | 0 | - | 5.00 | 259,894 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,509 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,101 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,949 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,308 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,884 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,588 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,347 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,188 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,464 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,931 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,253 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,214 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,628 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 90,611 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,231 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,603 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,705 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,012 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,281 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 532,049 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,222 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,129 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,044 |
| Geography by Picture - B | 0 | - | 4.42 | 55,648 |
| Geography by Picture - H | 0 | - | 4.50 | 58,265 |
| Geography by Picture - N | 0 | - | 4.45 | 42,231 |
| Geography by Picture - R | 0 | - | 4.56 | 41,052 |
| Geography by Picture - T | 0 | - | 4.54 | 57,879 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,832 |
| Boundary Waters | 0 | - | 4.92 | 88,515 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,213 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,184 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,583 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,531 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,495 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,162 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,901 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,060 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,559 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,289 |
| Capitals Hidden in a Letter #1 | 0 | - | 4.96 | 21,170 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,524,892 |
| Countries in World War I | 0 | - | 4.88 | 228,313 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,201 |
| Hindu Countries | 0 | - | 4.86 | 50,228 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,203 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,537 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,216 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,350 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,865 |
| Merged Countries #2 | 0 | - | 4.96 | 99,162 |
| Merged Countries #6 | 0 | - | 4.90 | 73,363 |
| Merged Countries #7 | 0 | - | 4.93 | 82,704 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,886 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 56,871 |
| Satellite Images #1 | 0 | - | 4.47 | 129,427 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,351 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,956 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,973 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,018 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,095 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,951 |
| Landlocked Countries | 0 | - | 4.99 | 421,252 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 46,525 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,623 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,013 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,312 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,123 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,090 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,720,731 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,822 |
| Geography by Picture - A | 0 | - | 4.39 | 60,295 |
| Geography by Picture - D | 0 | - | 4.15 | 45,686 |
| Geography by Picture - F | 0 | - | 4.31 | 51,046 |
| Geography by Picture - G | 0 | - | 4.39 | 47,979 |
| Geography by Picture - J | 0 | - | 4.16 | 38,493 |
| Geography by Picture - K | 0 | - | 4.29 | 33,157 |
| Geography by Picture - C | 0 | - | 4.31 | 57,111 |
| Geography by Picture - L | 0 | - | 4.37 | 59,012 |
| Geography by Picture - M | 0 | - | 4.14 | 40,488 |
| Geography by Picture - P | 0 | - | 4.24 | 42,458 |
| Geography by Picture - S | 0 | - | 4.38 | 47,069 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,522 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,832 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,755 |
| European Cities by Picture #1 | 0 | - | 4.29 | 27,068 |
| Airline Logos | 0 | - | 4.45 | 140,872 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,422 |
