| All Country Flags of the World | 0 | - | 5.00 | 3,651,184 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,020 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,831 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,721 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,596 |
| Flags with Crescents | 0 | - | 4.98 | 169,167 |
| Country Flag Trivia | 0 | - | 4.81 | 56,837 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,492 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,286 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,113 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,139 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,054 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,653 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,367 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,630 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,133 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,086 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,060 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,750 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,844 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,362 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,338 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,238 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,360 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,468 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,227 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,935 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,385 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,636 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,025 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,252 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,303 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,602 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,818 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,921 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,711 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,368 |
| Flags of North and South America | 0 | - | 4.99 | 372,160 |
| Flags to Languages | 0 | - | 4.95 | 173,447 |
| Former Flags | 0 | - | 4.97 | 107,520 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,879 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,416 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,332 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,326 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,915 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,822 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,897 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,607 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,042 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,327 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,359 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,107 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,352 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,384 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,749 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,677 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,452 |
| World Coats of Arms | 0 | - | 4.99 | 64,361 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,059 |
| Flag Maths | 0 | - | 4.64 | 57,746 |
| Similar Flags #1 | 0 | - | 4.75 | 129,822 |
| Similar Flags #2 | 0 | - | 4.74 | 137,126 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,789 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,847 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,249 |
| Emoji Flags | 0 | - | 4.35 | 44,026 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,455 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,810 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,845 |
| Countries by Road Signs | 0 | - | 4.98 | 53,668 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,432 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,529 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,466 |
| Select the World Flags | 0 | - | 4.27 | 37,681 |
| Flags of WW1 | 0 | - | 4.60 | 38,303 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,211 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,743 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,767 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,321 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,001 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,109 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,866 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,429 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,315 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,318 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,736 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,625 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,963 |
| Pixelated World Map | 0 | - | 5.00 | 143,186 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,540 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,352 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,158 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,923 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,037 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,858 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,302 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,013 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,383 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,089 |
| Merged Company Logos #3 | 0 | - | 4.49 | 64,376 |
| Flags of Oceania | 0 | - | 5.00 | 258,345 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,987 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.34 | 27,139 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,908 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,702 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,034 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,550 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,883 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,069 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,069 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,489 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,097 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,430 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 132,831 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,846 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.82 | 64,337 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,373 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 53,281 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,161 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,516 |
| Merged Countries #2 | 0 | - | 4.96 | 98,933 |
| Merged Countries #6 | 0 | - | 4.90 | 73,151 |
| Merged Countries #7 | 0 | - | 4.93 | 82,476 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,729 |
| Geography by Picture - B | 0 | - | 4.42 | 55,565 |
| Geography by Picture - H | 0 | - | 4.50 | 58,189 |
| Geography by Picture - N | 0 | - | 4.45 | 42,176 |
| Geography by Picture - R | 0 | - | 4.56 | 40,994 |
| Geography by Picture - T | 0 | - | 4.54 | 57,810 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,811 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,806 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,696 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,750 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,348,603 |
| Hindu Countries | 0 | - | 4.86 | 50,031 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,409 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,184 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,799 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,464 |
| Merged Company Logos #4 | 0 | - | 4.39 | 52,358 |
| Satellite Images #1 | 0 | - | 4.47 | 129,308 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,249 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,870 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,873 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,946 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,876 |
| Boundary Waters | 0 | - | 4.92 | 88,389 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,096 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,934 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,216 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,358 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,288 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,900 |
| Landlocked Countries | 0 | - | 4.99 | 419,163 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,290 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,580 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,958 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,981 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,702 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,605 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,191 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,881 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,059 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,716,439 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,147 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,680 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,210 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,095 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,354 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,651 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,744 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,260 |
| Geography by Picture - A | 0 | - | 4.39 | 60,207 |
| Geography by Picture - D | 0 | - | 4.15 | 45,622 |
| Geography by Picture - F | 0 | - | 4.31 | 50,962 |
| Geography by Picture - G | 0 | - | 4.38 | 47,918 |
| Geography by Picture - J | 0 | - | 4.16 | 38,438 |
| Geography by Picture - K | 0 | - | 4.29 | 33,103 |
| Geography by Picture - C | 0 | - | 4.31 | 57,037 |
| Geography by Picture - L | 0 | - | 4.37 | 58,915 |
| Geography by Picture - M | 0 | - | 4.14 | 40,426 |
| Geography by Picture - P | 0 | - | 4.24 | 42,404 |
| Geography by Picture - S | 0 | - | 4.38 | 47,019 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,296 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,608 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,257 |
| European Cities by Picture #1 | 0 | - | 4.29 | 27,012 |
| Airline Logos | 0 | - | 4.45 | 140,570 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,317 |
| Islands by Picture | 0 | - | 4.29 | 106,774 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,510 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,642 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,703 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,942 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,170 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,330 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,660 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,205 |
| Island Countries | 0 | - | 4.99 | 709,848 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,077 |
