| All Country Flags of the World | 0 | - | 5.00 | 3,658,232 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,201 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,391 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,110 |
| Flags with Crescents | 0 | - | 4.98 | 169,375 |
| Country Flag Trivia | 0 | - | 4.81 | 56,949 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,644 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,418 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,271 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,219 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,166 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,739 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,479 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,433 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,783 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,528 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,775 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,288 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,151 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,189 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,893 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,008 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,446 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,426 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,354 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,455 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,551 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,331 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,013 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,451 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,676 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,472 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,067 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,313 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,358 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,682 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,903 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,999 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,810 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,725 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,476 |
| World Coats of Arms | 0 | - | 4.99 | 64,443 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,681 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,406 |
| Flags of North and South America | 0 | - | 4.99 | 372,683 |
| Flags to Languages | 0 | - | 4.95 | 173,554 |
| Former Flags | 0 | - | 4.97 | 107,634 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,911 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,490 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,395 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,022 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,934 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,546 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,669 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,099 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,450 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,462 |
| Countries by Road Signs | 0 | - | 4.98 | 53,738 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,542 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,906 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,242 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,825 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,266 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,291 |
| Flag Maths | 0 | - | 4.64 | 57,757 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,358 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,056 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,145 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,901 |
| Similar Flags #1 | 0 | - | 4.75 | 129,945 |
| Similar Flags #2 | 0 | - | 4.74 | 137,238 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,464 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,341 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,377 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,361 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,787 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,946 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,574 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,831 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,993 |
| Pixelated World Map | 0 | - | 5.00 | 143,307 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,529 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,577 |
| Emoji Flags | 0 | - | 4.35 | 44,067 |
| Flags of WW1 | 0 | - | 4.60 | 38,351 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,432 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,183 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,005 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,057 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,679 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,930 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,422 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,917 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,333 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,056 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,413 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,111 |
| Flags of Oceania | 0 | - | 5.00 | 258,742 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,168 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,881 |
| Select the World Flags | 0 | - | 4.27 | 37,709 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,968 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,797 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,118 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,666 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,087 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,699 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,121 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,156 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,548 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,711 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,262 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,522 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,891 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,544 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,042 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,637 |
| Geography by Picture - B | 0 | - | 4.42 | 55,590 |
| Geography by Picture - H | 0 | - | 4.50 | 58,214 |
| Geography by Picture - N | 0 | - | 4.45 | 42,195 |
| Geography by Picture - R | 0 | - | 4.56 | 41,016 |
| Geography by Picture - T | 0 | - | 4.54 | 57,830 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,819 |
| Boundary Waters | 0 | - | 4.92 | 88,433 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,128 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,016 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,347 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,416 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,351 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,752 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,488 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,404,554 |
| Hindu Countries | 0 | - | 4.86 | 50,091 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,967 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,439 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.82 | 64,423 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,426 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,247 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,864 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 53,351 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,225 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,633 |
| Merged Countries #2 | 0 | - | 4.96 | 99,006 |
| Merged Countries #6 | 0 | - | 4.90 | 73,210 |
| Merged Countries #7 | 0 | - | 4.93 | 82,560 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,551 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,677 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,395 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,119 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,035 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,342 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,571 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,842 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,779 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,530 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,049 |
| Satellite Images #1 | 0 | - | 4.47 | 129,344 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,281 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,896 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,902 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,966 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,949 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,690 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,783 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,141 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,327 |
| Landlocked Countries | 0 | - | 4.99 | 419,807 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,495 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,755 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,062 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,821 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,701 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,262 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,967 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,074 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,717,904 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,291 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,136 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,420 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,695 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,766 |
| Geography by Picture - A | 0 | - | 4.39 | 60,239 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,987 |
| 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 | 57,060 |
| 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 | 66,354 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,674 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,399 |
| European Cities by Picture #1 | 0 | - | 4.29 | 27,035 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,620 |
| Airline Logos | 0 | - | 4.45 | 140,652 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,345 |
| Islands by Picture | 0 | - | 4.29 | 106,874 |
