| All Country Flags of the World | 0 | - | 5.00 | 3,634,829 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,044 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,194 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,712 |
| Flags with Crescents | 0 | - | 4.98 | 168,600 |
| Country Flag Trivia | 0 | - | 4.81 | 56,525 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,111 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,014 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,671 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,908 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,798 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,459 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,021 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,236 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,641 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,942 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,263 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,801 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,869 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,702 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,436 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,446 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,144 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,131 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,973 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,164 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,269 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,021 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,735 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,203 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,518 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,041 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,921 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,083 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,085 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,399 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,601 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,716 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,573 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,394 |
| World Coats of Arms | 0 | - | 4.99 | 64,176 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,339 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,262 |
| Flags of North and South America | 0 | - | 4.99 | 370,675 |
| Flags to Languages | 0 | - | 4.95 | 173,122 |
| Former Flags | 0 | - | 4.97 | 107,256 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,799 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,260 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,158 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,494 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,690 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,843 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,744 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,405 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,927 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,071 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,065 |
| Countries by Road Signs | 0 | - | 4.98 | 53,476 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,311 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,601 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,133 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,466 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,497 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,694 |
| Flag Maths | 0 | - | 4.64 | 57,715 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,216 |
| 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 |
| Similar Flags #1 | 0 | - | 4.74 | 129,576 |
| Similar Flags #2 | 0 | - | 4.74 | 136,866 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,368 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,067 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,683 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,156 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,598 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,602 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,175 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,678 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,565 |
| Pixelated World Map | 0 | - | 5.00 | 142,954 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,477 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,440 |
| Emoji Flags | 0 | - | 4.35 | 43,953 |
| Flags of WW1 | 0 | - | 4.60 | 38,196 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,116 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,088 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,680 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,987 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,741 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,586 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,028 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,578 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,170 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,761 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,254 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,004 |
| Flags of Oceania | 0 | - | 5.00 | 257,304 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,615 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,753 |
| Select the World Flags | 0 | - | 4.27 | 37,594 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,750 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,473 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,851 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,310 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,735 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,141 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,954 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,771 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,232 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,540 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,214 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,838 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,060 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,416 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,809 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,281 |
| 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 | 40,954 |
| 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 | 88,278 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,002 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,706 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,908 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,183 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,097 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,472 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,381 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,205,991 |
| Hindu Countries | 0 | - | 4.86 | 49,880 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,569 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,305 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.81 | 64,079 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,995 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,064 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,662 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 53,130 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,580 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,872 |
| Merged Countries #2 | 0 | - | 4.96 | 98,777 |
| Merged Countries #6 | 0 | - | 4.90 | 73,010 |
| Merged Countries #7 | 0 | - | 4.93 | 82,276 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,093 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,337 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,219 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,945 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,720 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,201 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,430 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,718 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,462 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,283 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,806 |
| Satellite Images #1 | 0 | - | 4.46 | 129,210 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,166 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,799 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,803 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,896 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,704 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,455 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,393 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,873 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,727 |
| Landlocked Countries | 0 | - | 4.99 | 417,196 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 563,369 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,706 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,742 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,439 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,313 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,005 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,702 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,024 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,712,808 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,943 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,896 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,146 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,423 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,652 |
| Geography by Picture - A | 0 | - | 4.39 | 60,149 |
| Geography by Picture - D | 0 | - | 4.15 | 45,573 |
| Geography by Picture - F | 0 | - | 4.31 | 50,910 |
| Geography by Picture - G | 0 | - | 4.38 | 47,878 |
| Geography by Picture - J | 0 | - | 4.16 | 38,395 |
| Geography by Picture - K | 0 | - | 4.29 | 33,066 |
| Geography by Picture - C | 0 | - | 4.31 | 56,999 |
| Geography by Picture - L | 0 | - | 4.37 | 58,859 |
| Geography by Picture - M | 0 | - | 4.14 | 40,395 |
| Geography by Picture - P | 0 | - | 4.24 | 42,369 |
| Geography by Picture - S | 0 | - | 4.38 | 46,983 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,116 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,432 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,821 |
| European Cities by Picture #1 | 0 | - | 4.29 | 26,961 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,485 |
| Airline Logos | 0 | - | 4.45 | 140,348 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,267 |
| Islands by Picture | 0 | - | 4.29 | 106,464 |
