| All Country Flags of the World | 0 | - | 5.00 | 3,717,207 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,526 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,509 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,654 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,901 |
| Flags with Crescents | 0 | - | 4.98 | 171,462 |
| Country Flag Trivia | 0 | - | 4.82 | 58,131 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,975 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,500 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,688 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,001 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,045 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,530 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,428 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,420 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,991 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,241 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,675 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,399 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,743 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,462 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,395 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,409 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,336 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,399 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,184 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,783 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,201 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,130 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,514 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,960 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,105 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,453 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,703 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,773 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,742 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,805 |
| Flags of North and South America | 0 | - | 4.99 | 377,338 |
| Flags to Languages | 0 | - | 4.95 | 174,569 |
| Former Flags | 0 | - | 4.97 | 108,650 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,258 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,062 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,043 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,630 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,785 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,443 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,242 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,306 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,628 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,416 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,498 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,776 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,907 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,206 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,283 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,077 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,654 |
| World Coats of Arms | 0 | - | 4.99 | 65,205 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,182 |
| Flag Maths | 0 | - | 4.61 | 57,854 |
| Similar Flags #1 | 0 | - | 4.75 | 130,844 |
| Similar Flags #2 | 0 | - | 4.74 | 138,114 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,246 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,701 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,093 |
| Emoji Flags | 0 | - | 4.35 | 44,300 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,831 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,587 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,184 |
| Countries by Road Signs | 0 | - | 4.98 | 54,383 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,453 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,040 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,160 |
| Select the World Flags | 0 | - | 4.28 | 38,003 |
| Flags of WW1 | 0 | - | 4.60 | 38,725 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,557 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,092 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,822 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,801 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,508 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,551 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,142 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,719 |
| 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 | 478,095 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,717 |
| Pixelated World Map | 0 | - | 5.00 | 144,144 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,932 |
| 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 | 82,470 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,428 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,653 |
| 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 | 37,237 |
| Merged Company Logos #3 | 0 | - | 4.50 | 64,962 |
| Flags of Oceania | 0 | - | 5.00 | 262,940 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,661 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.32 | 27,376 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,500 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,486 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,805 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,512 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,038 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,588 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,030 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,122 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,803 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,380 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,444 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,133 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.82 | 65,289 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,900 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.88 | 53,967 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,062 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,293 |
| Merged Countries #2 | 0 | - | 4.96 | 99,903 |
| Merged Countries #4 | 0 | - | 4.81 | 94,144 |
| Merged Countries #6 | 0 | - | 4.90 | 73,835 |
| Merged Countries #7 | 0 | - | 4.93 | 83,173 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,342 |
| Geography by Picture - B | 0 | - | 4.42 | 55,792 |
| 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 | 41,160 |
| 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 | 107,063 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,480 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,734 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,909,416 |
| Hindu Countries | 0 | - | 4.87 | 50,601 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,820 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,695 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,383 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,046 |
| Merged Company Logos #4 | 0 | - | 4.39 | 52,792 |
| Satellite Images #1 | 0 | - | 4.46 | 130,020 |
| 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 | 50,262 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,239 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,606 |
| Boundary Waters | 0 | - | 4.92 | 88,788 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,428 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,742 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,395 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,998 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,011 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,653 |
| Landlocked Countries | 0 | - | 4.99 | 426,346 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,401 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,629 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,958 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,710 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,660 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,607 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,933 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,605 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,158 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,730,446 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,853 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,051 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,010 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,533 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,042 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,225 |
| 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 | 38,608 |
| 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 | 59,151 |
| 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 | 67,018 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,303 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,888 |
| European Cities by Picture #1 | 0 | - | 4.30 | 27,198 |
| Airline Logos | 0 | - | 4.45 | 141,473 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,525 |
| Islands by Picture | 0 | - | 4.28 | 107,844 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,944 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,436 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,044 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,059 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,809 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,412 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,805 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,923 |
| Island Countries | 0 | - | 4.99 | 712,709 |
