| All Country Flags of the World | 0 | - | 5.00 | 3,599,170 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,809 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,138 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,478 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,730 |
| Flags with Crescents | 0 | - | 4.98 | 167,464 |
| Country Flag Trivia | 0 | - | 4.81 | 55,877 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,347 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,418 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,843 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,410 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,342 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,990 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,645 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,118 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,772 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,305 |
| Flags that are Red & White Only | 0 | - | 4.97 | 159,429 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,540 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,894 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,548 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,568 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,315 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,677 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,745 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,536 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,230 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,768 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,237 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,644 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,726 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,349 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,657 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,709 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,933 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,016 |
| Flags of North and South America | 0 | - | 4.99 | 366,697 |
| Flags to Languages | 0 | - | 4.95 | 172,434 |
| Former Flags | 0 | - | 4.97 | 106,629 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,600 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,145 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,749 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,332 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,222 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,051 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,532 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,688 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,030 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,581 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,466 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,400 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,810 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,313 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,930 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,429 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,343 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,265 |
| World Coats of Arms | 0 | - | 4.99 | 63,828 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,263 |
| Flag Maths | 0 | - | 4.78 | 57,670 |
| Similar Flags #1 | 0 | - | 4.74 | 129,050 |
| Similar Flags #2 | 0 | - | 4.74 | 136,315 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,449 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,100 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 60,647 |
| Emoji Flags | 0 | - | 4.35 | 43,804 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,174 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,267 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,548 |
| Countries by Road Signs | 0 | - | 4.98 | 53,066 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,769 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,995 |
| Select the World Flags | 0 | - | 4.27 | 37,390 |
| Flags of WW1 | 0 | - | 4.60 | 37,918 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,981 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,758 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,172 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,017 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,662 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,794 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,667 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,206 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,340 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,966 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,362 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,929 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,355 |
| Pixelated World Map | 0 | - | 5.00 | 142,381 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,256 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,662 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,923 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,245 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,901 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,019 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,031 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,540 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,141 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,910 |
| Merged Company Logos #3 | 0 | - | 4.52 | 63,938 |
| Flags of Oceania | 0 | - | 5.00 | 254,977 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,797 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.34 | 26,903 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,399 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,035 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,364 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,751 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,645 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,183 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,834 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,186 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,337 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,200 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,931 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.81 | 63,548 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,782 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.86 | 52,860 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,153 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,105 |
| Merged Countries #2 | 0 | - | 4.96 | 98,440 |
| Merged Countries #6 | 0 | - | 4.91 | 72,684 |
| Merged Countries #7 | 0 | - | 4.92 | 81,926 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,083 |
| Geography by Picture - B | 0 | - | 4.42 | 55,399 |
| Geography by Picture - H | 0 | - | 4.49 | 58,035 |
| Geography by Picture - N | 0 | - | 4.45 | 42,042 |
| Geography by Picture - R | 0 | - | 4.55 | 40,872 |
| Geography by Picture - T | 0 | - | 4.54 | 57,670 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,735 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,858 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,036 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,931 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,893,120 |
| Hindu Countries | 0 | - | 4.85 | 49,535 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,045 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,784 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,360 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,935 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,990 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,970 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,635 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,635 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,798 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,329 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,796 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,238 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,231 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,812 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,706 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,360 |
| Landlocked Countries | 0 | - | 4.99 | 413,299 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,427 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,060 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,847 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,254 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,908 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,705 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,579 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,294 |
| Places by Country - Tile Select | 0 | - | 4.30 | 13,972 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,704,732 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,641 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,861 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,477 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,664 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,742 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,499 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,968 |
| Geography by Picture - A | 0 | - | 4.39 | 60,042 |
| Geography by Picture - D | 0 | - | 4.15 | 45,481 |
| Geography by Picture - F | 0 | - | 4.31 | 50,819 |
| Geography by Picture - G | 0 | - | 4.38 | 47,780 |
| Geography by Picture - J | 0 | - | 4.16 | 38,332 |
| Geography by Picture - K | 0 | - | 4.28 | 33,011 |
| Geography by Picture - C | 0 | - | 4.31 | 56,899 |
| Geography by Picture - L | 0 | - | 4.37 | 58,747 |
| Geography by Picture - M | 0 | - | 4.14 | 40,341 |
| Geography by Picture - P | 0 | - | 4.24 | 42,293 |
| Geography by Picture - S | 0 | - | 4.38 | 46,903 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,723 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,068 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,901 |
| European Cities by Picture #1 | 0 | - | 4.29 | 26,863 |
| Airline Logos | 0 | - | 4.45 | 139,904 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,177 |
| Islands by Picture | 0 | - | 4.29 | 105,839 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,137 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,963 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,550 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,905 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,475 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,293 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,010 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,601 |
| Island Countries | 0 | - | 4.99 | 707,484 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,443 |
| Himalayan Countries | 0 | - | 4.95 | 135,228 |
| Andean Countries | 0 | - | 4.94 | 82,765 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,174 |
