| All Country Flags of the World | 0 | - | 5.00 | 3,658,968 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,331 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,463 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,160 |
| Flags with Crescents | 0 | - | 4.98 | 169,398 |
| Country Flag Trivia | 0 | - | 4.81 | 56,958 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,663 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,432 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,288 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,228 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,181 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,748 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,492 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,434 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,784 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,542 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,796 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,311 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,157 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,195 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,909 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,023 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,457 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,434 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,366 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,462 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,558 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,341 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,025 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,462 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,681 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,492 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,068 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,314 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,364 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,693 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,907 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,007 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,817 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,727 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,478 |
| World Coats of Arms | 0 | - | 4.99 | 64,450 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,690 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,408 |
| Flags of North and South America | 0 | - | 4.99 | 372,747 |
| Flags to Languages | 0 | - | 4.95 | 173,572 |
| Former Flags | 0 | - | 4.97 | 107,645 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,913 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,499 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,401 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,036 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,936 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,683 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,682 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,105 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,466 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,474 |
| Countries by Road Signs | 0 | - | 4.98 | 53,747 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,547 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,917 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,244 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,833 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,291 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,302 |
| Flag Maths | 0 | - | 4.64 | 57,758 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,360 |
| 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 |
| Similar Flags #1 | 0 | - | 4.75 | 129,957 |
| Similar Flags #2 | 0 | - | 4.74 | 137,246 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,468 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,354 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,383 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,364 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,790 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,953 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,803 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,941 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,007 |
| Pixelated World Map | 0 | - | 5.00 | 143,319 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,619 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,581 |
| Emoji Flags | 0 | - | 4.35 | 44,072 |
| Flags of WW1 | 0 | - | 4.60 | 38,353 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,436 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,186 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,009 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,057 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,703 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,950 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,435 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,928 |
| 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 | 43,413 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,112 |
| Flags of Oceania | 0 | - | 5.00 | 258,794 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,187 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,888 |
| Select the World Flags | 0 | - | 4.27 | 37,717 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,975 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,806 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,127 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,683 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,094 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,715 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,123 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,162 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,557 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,766 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,272 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,528 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,947 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,550 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,051 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,647 |
| 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 | 57,831 |
| 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 | 96,024 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,359 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,423 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,355 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,754 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,492 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,410,428 |
| Hindu Countries | 0 | - | 4.86 | 50,096 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,977 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,443 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.82 | 64,432 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,431 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,251 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,870 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 53,358 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,228 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,643 |
| Merged Countries #2 | 0 | - | 4.96 | 99,015 |
| Merged Countries #6 | 0 | - | 4.90 | 73,219 |
| Merged Countries #7 | 0 | - | 4.93 | 82,570 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,565 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,693 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,402 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,122 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,046 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,346 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,573 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,847 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,782 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,537 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,054 |
| Satellite Images #1 | 0 | - | 4.47 | 129,348 |
| 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 | 85,951 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,702 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,792 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,149 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,788 |
| Landlocked Countries | 0 | - | 4.99 | 419,867 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,651 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,763,378 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,073 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,830 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,715 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,275 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,976 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,074 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,718,092 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,296 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,140 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,423 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,701 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,769 |
| 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 | 66,359 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,680 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,409 |
| European Cities by Picture #1 | 0 | - | 4.29 | 27,037 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,624 |
| Airline Logos | 0 | - | 4.45 | 140,665 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,347 |
| Islands by Picture | 0 | - | 4.29 | 106,894 |
