| All Country Flags of the World | 0 | - | 5.00 | 3,717,310 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,547 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,522 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,661 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,904 |
| Flags with Crescents | 0 | - | 4.98 | 171,473 |
| Country Flag Trivia | 0 | - | 4.82 | 58,133 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,979 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,504 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,692 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,008 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,047 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,531 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,431 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,427 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,997 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,243 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,679 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,399 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,744 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,464 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,396 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,411 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,337 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,401 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,188 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,787 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,202 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,130 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,516 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,964 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,107 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,455 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,705 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,777 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,744 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,806 |
| Flags of North and South America | 0 | - | 4.99 | 377,340 |
| Flags to Languages | 0 | - | 4.95 | 174,571 |
| Former Flags | 0 | - | 4.97 | 108,655 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,259 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,063 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,043 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,634 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,788 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,454 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,244 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,306 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,629 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,417 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,503 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,787 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,911 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,210 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,286 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,079 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,654 |
| World Coats of Arms | 0 | - | 4.99 | 65,208 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,185 |
| Flag Maths | 0 | - | 4.61 | 57,854 |
| Similar Flags #1 | 0 | - | 4.75 | 130,847 |
| Similar Flags #2 | 0 | - | 4.74 | 138,115 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,247 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,701 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,094 |
| Emoji Flags | 0 | - | 4.35 | 44,300 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,832 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,589 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,184 |
| Countries by Road Signs | 0 | - | 4.98 | 54,384 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,457 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,040 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,161 |
| Select the World Flags | 0 | - | 4.28 | 38,004 |
| Flags of WW1 | 0 | - | 4.60 | 38,725 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,558 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,119 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,848 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,801 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,509 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,553 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,143 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,720 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,454 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,076 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,231 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,101 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,717 |
| Pixelated World Map | 0 | - | 5.00 | 144,145 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,934 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,238 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,435 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,474 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,429 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,654 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,812 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,401 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,709 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,239 |
| Merged Company Logos #3 | 0 | - | 4.50 | 64,963 |
| Flags of Oceania | 0 | - | 5.00 | 262,950 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,664 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.32 | 27,377 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,502 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,489 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,805 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,513 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,039 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,588 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,032 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,123 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,806 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,383 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,449 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,138 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.82 | 65,292 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,900 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.88 | 53,969 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,062 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,298 |
| Merged Countries #2 | 0 | - | 4.96 | 99,905 |
| Merged Countries #4 | 0 | - | 4.81 | 94,147 |
| Merged Countries #6 | 0 | - | 4.90 | 73,836 |
| Merged Countries #7 | 0 | - | 4.93 | 83,173 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,344 |
| Geography by Picture - B | 0 | - | 4.42 | 55,793 |
| Geography by Picture - H | 0 | - | 4.50 | 58,397 |
| Geography by Picture - N | 0 | - | 4.45 | 42,357 |
| Geography by Picture - R | 0 | - | 4.56 | 41,162 |
| Geography by Picture - T | 0 | - | 4.54 | 58,013 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,900 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,066 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,484 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,734 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,910,358 |
| Hindu Countries | 0 | - | 4.87 | 50,604 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,820 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,698 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,385 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,046 |
| Merged Company Logos #4 | 0 | - | 4.39 | 52,793 |
| Satellite Images #1 | 0 | - | 4.46 | 130,022 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,716 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,415 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,263 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,240 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,606 |
| Boundary Waters | 0 | - | 4.92 | 88,790 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,428 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,744 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,398 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,999 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,012 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,734 |
| Landlocked Countries | 0 | - | 4.99 | 426,362 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,403 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,667 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,028 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,713 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,661 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,613 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,936 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,607 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,158 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,730,450 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,853 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,053 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,010 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,535 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,042 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,226 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,009 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,565 |
| Geography by Picture - A | 0 | - | 4.39 | 60,449 |
| Geography by Picture - D | 0 | - | 4.15 | 45,795 |
| Geography by Picture - F | 0 | - | 4.31 | 51,194 |
| Geography by Picture - G | 0 | - | 4.39 | 48,089 |
| Geography by Picture - J | 0 | - | 4.16 | 38,609 |
| Geography by Picture - K | 0 | - | 4.29 | 33,259 |
| Geography by Picture - C | 0 | - | 4.31 | 57,248 |
| Geography by Picture - L | 0 | - | 4.37 | 59,152 |
| Geography by Picture - M | 0 | - | 4.14 | 40,594 |
| Geography by Picture - P | 0 | - | 4.24 | 42,578 |
| Geography by Picture - S | 0 | - | 4.38 | 47,191 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,019 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,305 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,925 |
| European Cities by Picture #1 | 0 | - | 4.30 | 27,198 |
| Airline Logos | 0 | - | 4.45 | 141,475 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,526 |
| Islands by Picture | 0 | - | 4.28 | 107,846 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,945 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,438 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,045 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,062 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,828 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,430 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,812 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,927 |
| Island Countries | 0 | - | 4.99 | 712,712 |
