| All Country Flags of the World | 0 | - | 5.00 | 3,596,001 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,017 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,800 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,236 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,667 |
| Flags with Crescents | 0 | - | 4.98 | 167,350 |
| Country Flag Trivia | 0 | - | 4.81 | 55,808 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,276 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,365 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,773 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,369 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,295 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,955 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,506 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,004 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,617 |
| Flags that are Red & White Only | 0 | - | 4.97 | 156,672 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 144,412 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,516 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,486 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,499 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,197 |
| Country Flags with the Most Blue | 0 | - | 4.87 | 91,602 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,686 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,485 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,165 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,731 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,211 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,618 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,690 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,302 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,611 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,650 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,875 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,986 |
| Flags of North and South America | 0 | - | 4.99 | 366,016 |
| Flags to Languages | 0 | - | 4.95 | 172,372 |
| Former Flags | 0 | - | 4.97 | 106,554 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,571 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,138 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,693 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,256 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,185 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,759 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,466 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,667 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,997 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,549 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,413 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,346 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,715 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,256 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,909 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,408 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,327 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,256 |
| World Coats of Arms | 0 | - | 4.99 | 63,799 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,146 |
| Flag Maths | 0 | - | 4.78 | 57,665 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,293 |
| Similar Flags #1 | 0 | - | 4.74 | 129,006 |
| Similar Flags #2 | 0 | - | 4.74 | 136,265 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,433 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,053 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 60,600 |
| Emoji Flags | 0 | - | 4.35 | 43,793 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,160 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,223 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,522 |
| Countries by Road Signs | 0 | - | 4.98 | 53,020 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,723 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,969 |
| Select the World Flags | 0 | - | 4.27 | 37,374 |
| Flags of WW1 | 0 | - | 4.60 | 37,890 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,958 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,688 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,730 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,998 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,647 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,778 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,657 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,198 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,321 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,949 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,342 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,479 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,312 |
| Pixelated World Map | 0 | - | 5.00 | 142,261 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,236 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,625 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,910 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,206 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,889 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 65,974 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,020 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,519 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,134 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,900 |
| Merged Company Logos #3 | 0 | - | 4.52 | 63,903 |
| Flags of Oceania | 0 | - | 5.00 | 254,764 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,706 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.34 | 26,893 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,375 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,988 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,320 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,698 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,778 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,619 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,091 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,801 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,128 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,310 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,171 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,886 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.81 | 63,516 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,760 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.86 | 52,845 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,135 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,065 |
| Merged Countries #2 | 0 | - | 4.96 | 98,405 |
| Merged Countries #6 | 0 | - | 4.91 | 72,658 |
| Merged Countries #7 | 0 | - | 4.93 | 81,904 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,057 |
| Geography by Picture - B | 0 | - | 4.42 | 55,390 |
| Geography by Picture - H | 0 | - | 4.49 | 58,022 |
| Geography by Picture - N | 0 | - | 4.45 | 42,036 |
| Geography by Picture - R | 0 | - | 4.55 | 40,867 |
| Geography by Picture - T | 0 | - | 4.54 | 57,653 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,734 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,753 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,960 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,879 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,867,584 |
| Hindu Countries | 0 | - | 4.85 | 49,458 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,009 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,760 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,330 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,904 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,968 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,959 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,619 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,624 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,780 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,294 |
| Boundary Waters | 0 | - | 4.92 | 88,003 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,790 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,198 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,163 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,782 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,668 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,001 |
| Landlocked Countries | 0 | - | 4.99 | 413,040 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,385 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,219 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,253 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,206 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,822 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,630 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,527 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,232 |
| Places by Country - Tile Select | 0 | - | 4.30 | 13,969 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,704,114 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,624 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,812 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,435 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,646 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,704 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,483 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,961 |
| Geography by Picture - A | 0 | - | 4.39 | 60,028 |
| Geography by Picture - D | 0 | - | 4.15 | 45,469 |
| Geography by Picture - F | 0 | - | 4.31 | 50,810 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,317 |
| Geography by Picture - K | 0 | - | 4.28 | 32,998 |
| Geography by Picture - C | 0 | - | 4.31 | 56,893 |
| Geography by Picture - L | 0 | - | 4.37 | 58,732 |
| Geography by Picture - M | 0 | - | 4.14 | 40,332 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,897 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,699 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,039 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,829 |
| European Cities by Picture #1 | 0 | - | 4.29 | 26,851 |
| Airline Logos | 0 | - | 4.45 | 139,879 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,169 |
| Islands by Picture | 0 | - | 4.29 | 105,786 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,118 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,927 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,499 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,861 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,229 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,533 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,895 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,096 |
| Island Countries | 0 | - | 4.99 | 707,333 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,332 |
| Himalayan Countries | 0 | - | 4.95 | 135,121 |
| Andean Countries | 0 | - | 4.94 | 82,704 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,120 |
