| All Country Flags of the World | 0 | - | 5.00 | 3,659,082 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,353 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,479 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,167 |
| Flags with Crescents | 0 | - | 4.98 | 169,400 |
| Country Flag Trivia | 0 | - | 4.81 | 56,959 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,666 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,433 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,295 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,231 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,184 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,751 |
| Flags of North and South America | 0 | - | 4.99 | 372,758 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,544 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,803 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,316 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,159 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,196 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,912 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,024 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,464 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,435 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,371 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,464 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,560 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,342 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,026 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,463 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,686 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,070 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,315 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,369 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,695 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,911 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,009 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,820 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,408 |
| Flags to Languages | 0 | - | 4.95 | 173,574 |
| Former Flags | 0 | - | 4.97 | 107,646 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,913 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,502 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,402 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,037 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,691 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,936 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,718 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,683 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,106 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,467 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,475 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,499 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,435 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,784 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,492 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,728 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,478 |
| World Coats of Arms | 0 | - | 4.99 | 64,451 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,295 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,303 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,889 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Similar Flags #1 | 0 | - | 4.75 | 129,960 |
| Similar Flags #2 | 0 | - | 4.74 | 137,247 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,956 |
| Emoji Flags | 0 | - | 4.35 | 44,073 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,325 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,936 |
| Countries by Road Signs | 0 | - | 4.98 | 53,750 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,708 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,550 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,917 |
| Select the World Flags | 0 | - | 4.27 | 37,717 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,244 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,647 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,361 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,058 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,150 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,904 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,468 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,355 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,384 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,364 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,790 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,054 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,847 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,969 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,059 |
| Pixelated World Map | 0 | - | 5.00 | 143,319 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,095 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,643 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,582 |
| Flags of WW1 | 0 | - | 4.60 | 38,353 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,437 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,186 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,012 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,057 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,728 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,978 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,137 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,010 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,298 |
| Orthodox Countries | 0 | - | 4.92 | 131,636 |
| Battle to Country | 0 | - | 4.91 | 53,270 |
| Monarchies of Europe | 0 | - | 4.90 | 98,080 |
| Monarchies of Asia | 0 | - | 4.97 | 71,058 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,951 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,849 |
| Countries by Wikipedia Descriptions #2 | 0 | - | 4.43 | 47,550 |
| Countries by Wikipedia Descriptions #3 | 0 | - | 4.55 | 39,353 |
| Countries by Wikipedia Descriptions #5 | 0 | - | 4.75 | 43,031 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,638 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,336 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,058 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,414 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,112 |
| Flags of Oceania | 0 | - | 5.00 | 258,805 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,191 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,976 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,806 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,128 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,685 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,058 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,979 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,924 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,277 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,735 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,159 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,940 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,447 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 90,342 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,123 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,273 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,529 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,961 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,115 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 530,065 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,059 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,935 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,933 |
| Geography by Picture - B | 0 | - | 4.42 | 55,591 |
| Geography by Picture - H | 0 | - | 4.50 | 58,215 |
| Geography by Picture - N | 0 | - | 4.45 | 42,195 |
| Geography by Picture - R | 0 | - | 4.56 | 41,017 |
| Geography by Picture - T | 0 | - | 4.54 | 57,832 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,820 |
| Boundary Waters | 0 | - | 4.92 | 88,440 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,130 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,027 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,360 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,424 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,356 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,945 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,755 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,836 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,495 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,051 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,411,527 |
| Countries in World War I | 0 | - | 4.88 | 228,038 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,911 |
| Hindu Countries | 0 | - | 4.86 | 50,099 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,978 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,445 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,851 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,228 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,647 |
| Merged Countries #2 | 0 | - | 4.96 | 99,017 |
| Merged Countries #6 | 0 | - | 4.90 | 73,220 |
| Merged Countries #7 | 0 | - | 4.93 | 82,571 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,782 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 56,698 |
| Satellite Images #1 | 0 | - | 4.47 | 129,349 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,283 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,897 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,903 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,970 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,952 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,845 |
| Landlocked Countries | 0 | - | 4.99 | 419,878 |
| Countries with the Most Cathedrals | 0 | - | 4.49 | 45,926 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,679 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,825 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,763,472 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,977 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,074 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,718,110 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,701 |
| Geography by Picture - A | 0 | - | 4.39 | 60,240 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,989 |
| Geography by Picture - G | 0 | - | 4.38 | 47,939 |
| Geography by Picture - J | 0 | - | 4.16 | 38,458 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,062 |
| Geography by Picture - L | 0 | - | 4.37 | 58,945 |
| Geography by Picture - M | 0 | - | 4.14 | 40,450 |
| Geography by Picture - P | 0 | - | 4.24 | 42,430 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,362 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,682 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,417 |
