| All Country Flags of the World | 0 | - | 5.00 | 3,634,675 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,021 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,184 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,701 |
| Flags with Crescents | 0 | - | 4.98 | 168,599 |
| Country Flag Trivia | 0 | - | 4.81 | 56,520 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,107 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,012 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,667 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,907 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,798 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,457 |
| Flags of North and South America | 0 | - | 4.99 | 370,661 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,939 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,258 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,798 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,869 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,699 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,433 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,440 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,142 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,130 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,971 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,164 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,266 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,020 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,733 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,201 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,517 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,921 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,082 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,083 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,398 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,599 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,716 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,262 |
| Flags to Languages | 0 | - | 4.95 | 173,116 |
| Former Flags | 0 | - | 4.97 | 107,253 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,799 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,259 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,158 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,688 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,339 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,494 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,843 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,969 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 89,845 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,724 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,405 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,925 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,070 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,064 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,577 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,020 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,233 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,641 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,036 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,571 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,394 |
| World Coats of Arms | 0 | - | 4.99 | 64,176 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,497 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,691 |
| Flag Maths | 0 | - | 4.64 | 57,715 |
| Similar Flags #1 | 0 | - | 4.74 | 129,576 |
| Similar Flags #2 | 0 | - | 4.74 | 136,866 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,685 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,597 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,843 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,999 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,416 |
| Emoji Flags | 0 | - | 4.35 | 43,952 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 526,349 |
| Countries by Road Signs | 0 | - | 4.98 | 53,475 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,736 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,142 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,309 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,600 |
| Select the World Flags | 0 | - | 4.27 | 37,593 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,133 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,279 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,214 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,884 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,005 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,806 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,368 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,066 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,682 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,154 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,598 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,806 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,153 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,670 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,435 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,420 |
| Pixelated World Map | 0 | - | 5.00 | 142,950 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,600 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,463 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,440 |
| Flags of WW1 | 0 | - | 4.60 | 38,196 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,116 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,084 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,397 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,753 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,680 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,987 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,403 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,708 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,948 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,669 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,748 |
| Orthodox Countries | 0 | - | 4.92 | 131,032 |
| Battle to Country | 0 | - | 4.91 | 52,987 |
| Monarchies of Europe | 0 | - | 4.90 | 97,761 |
| Monarchies of Asia | 0 | - | 4.97 | 70,870 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,585 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,674 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,187 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,170 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,760 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,253 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,004 |
| Flags of Oceania | 0 | - | 5.00 | 257,295 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,613 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.34 | 27,071 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,745 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,471 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,850 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,308 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,020 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,224 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,420 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,855 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,129 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,210 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,016 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,951 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,210 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,835 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,046 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,517 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,701 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,572 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,716 |
| Geography by Picture - B | 0 | - | 4.42 | 55,513 |
| 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 | 40,953 |
| Geography by Picture - T | 0 | - | 4.54 | 57,763 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,791 |
| Boundary Waters | 0 | - | 4.92 | 88,275 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,001 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,704 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,907 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,182 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,094 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,532 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,471 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,462 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,381 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,204,794 |
| Countries in World War I | 0 | - | 4.88 | 227,544 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,408 |
| Hindu Countries | 0 | - | 4.86 | 49,880 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,568 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,304 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.81 | 64,079 |
| Name a Country A-Z | 0 | - | 5.00 | 241,983 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,318 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,579 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,868 |
| Merged Countries #2 | 0 | - | 4.96 | 98,775 |
| Merged Countries #6 | 0 | - | 4.90 | 73,009 |
| Merged Countries #7 | 0 | - | 4.93 | 82,275 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,461 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 56,374 |
| Australia A-Z | 0 | - | 4.54 | 49,891 |
| Satellite Images #1 | 0 | - | 4.46 | 129,209 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,165 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,798 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,803 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,895 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,704 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,878 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,660 |
| Landlocked Countries | 0 | - | 4.99 | 417,181 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 44,364 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 563,334 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,455 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,584 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,701 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,024 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,712,767 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,422 |
| India A-Z | 0 | - | 4.42 | 34,040 |
| Italy A-Z | 0 | - | 4.49 | 58,054 |
| China A-Z | 0 | - | 4.55 | 67,003 |
| Germany A-Z | 0 | - | 4.56 | 62,485 |
| 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 |
