| All Country Flags of the World | 0 | - | 5.00 | 3,635,165 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,098 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,221 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,730 |
| Flags with Crescents | 0 | - | 4.98 | 168,611 |
| Country Flag Trivia | 0 | - | 4.81 | 56,535 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,116 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,018 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,681 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,911 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,804 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,460 |
| Flags of North and South America | 0 | - | 4.99 | 370,711 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,949 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,269 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,805 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,872 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,708 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,443 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,451 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,144 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,132 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,978 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,166 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,273 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,027 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,738 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,204 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,520 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,921 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,092 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,089 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,399 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,605 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,717 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,263 |
| Flags to Languages | 0 | - | 4.95 | 173,128 |
| Former Flags | 0 | - | 4.97 | 107,261 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,802 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,261 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,158 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,696 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,342 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,496 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,845 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,977 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 89,854 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,767 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,408 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,931 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,075 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,069 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,583 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,028 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,242 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,644 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,049 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,575 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,395 |
| World Coats of Arms | 0 | - | 4.99 | 64,180 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,509 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,697 |
| Flag Maths | 0 | - | 4.64 | 57,715 |
| Similar Flags #1 | 0 | - | 4.74 | 129,580 |
| Similar Flags #2 | 0 | - | 4.74 | 136,871 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,686 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,609 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,848 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,001 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,430 |
| Emoji Flags | 0 | - | 4.35 | 43,954 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 526,435 |
| Countries by Road Signs | 0 | - | 4.98 | 53,480 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,752 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,147 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,319 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,607 |
| Select the World Flags | 0 | - | 4.27 | 37,594 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,133 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,286 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,218 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,886 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,007 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,807 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,372 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,073 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,687 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,157 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,600 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,809 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,269 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,713 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,445 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,435 |
| Pixelated World Map | 0 | - | 5.00 | 142,957 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,612 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,506 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,442 |
| Flags of WW1 | 0 | - | 4.60 | 38,199 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,120 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,088 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,410 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,753 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,689 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,987 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,409 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,716 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,950 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,674 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,757 |
| Orthodox Countries | 0 | - | 4.92 | 131,036 |
| Battle to Country | 0 | - | 4.91 | 52,990 |
| Monarchies of Europe | 0 | - | 4.90 | 97,764 |
| Monarchies of Asia | 0 | - | 4.97 | 70,873 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,593 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,678 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,198 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,171 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,765 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,254 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,006 |
| Flags of Oceania | 0 | - | 5.00 | 257,318 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,624 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.34 | 27,071 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,756 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,478 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,855 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,314 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,047 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,248 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,428 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,863 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,133 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,231 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,030 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,956 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,226 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,840 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,104 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,522 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,702 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,578 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,717 |
| Geography by Picture - B | 0 | - | 4.42 | 55,514 |
| Geography by Picture - H | 0 | - | 4.50 | 58,134 |
| Geography by Picture - N | 0 | - | 4.45 | 42,126 |
| Geography by Picture - R | 0 | - | 4.56 | 40,955 |
| Geography by Picture - T | 0 | - | 4.54 | 57,764 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,791 |
| Boundary Waters | 0 | - | 4.92 | 88,284 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,006 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,708 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,915 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,187 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,098 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,544 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,479 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,473 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,383 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,208,915 |
| Countries in World War I | 0 | - | 4.88 | 227,558 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,417 |
| Hindu Countries | 0 | - | 4.86 | 49,883 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,575 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,309 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.81 | 64,085 |
| Name a Country A-Z | 0 | - | 5.00 | 242,006 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,353 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,585 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,880 |
| Merged Countries #2 | 0 | - | 4.96 | 98,781 |
| Merged Countries #6 | 0 | - | 4.90 | 73,014 |
| Merged Countries #7 | 0 | - | 4.93 | 82,277 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,465 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 56,382 |
| Australia A-Z | 0 | - | 4.54 | 49,892 |
| Satellite Images #1 | 0 | - | 4.46 | 129,211 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,166 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,800 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,804 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,896 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,707 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,878 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,945 |
| Landlocked Countries | 0 | - | 4.99 | 417,233 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 44,419 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 563,461 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,462 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,999 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,708 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,024 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,712,864 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,426 |
| India A-Z | 0 | - | 4.42 | 34,040 |
| Italy A-Z | 0 | - | 4.49 | 58,061 |
| China A-Z | 0 | - | 4.55 | 67,009 |
| Germany A-Z | 0 | - | 4.56 | 62,487 |
| Scotland A-Z | 0 | - | 4.73 | 41,171 |
| Geography by Picture - A | 0 | - | 4.39 | 60,149 |
| Geography by Picture - D | 0 | - | 4.15 | 45,573 |
