| All Country Flags of the World | 0 | - | 5.00 | 3,597,311 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,322 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,939 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,329 |
| Flags with Crescents | 0 | - | 4.98 | 167,388 |
| Country Flag Trivia | 0 | - | 4.81 | 55,836 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,302 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,391 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,806 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,382 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,313 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,964 |
| Flags of North and South America | 0 | - | 4.99 | 366,312 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,567 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,054 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,684 |
| Flags that are Red & White Only | 0 | - | 4.97 | 158,144 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,465 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,684 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,517 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,530 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,259 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,633 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,715 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,505 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,188 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,752 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,224 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,634 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,703 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,331 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,635 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,678 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,908 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,999 |
| Flags to Languages | 0 | - | 4.95 | 172,399 |
| Former Flags | 0 | - | 4.97 | 106,577 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,588 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,143 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,716 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,202 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,686 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,503 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,676 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,879 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,009 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,561 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,440 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,366 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,266 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,920 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,416 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,290 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,334 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,259 |
| World Coats of Arms | 0 | - | 4.99 | 63,807 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,189 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,741 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,535 |
| Flag Maths | 0 | - | 4.78 | 57,668 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,067 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,448 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,301 |
| Similar Flags #1 | 0 | - | 4.74 | 129,023 |
| Similar Flags #2 | 0 | - | 4.74 | 136,285 |
| Emoji Flags | 0 | - | 4.35 | 43,801 |
| Countries by Road Signs | 0 | - | 4.98 | 53,040 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,980 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,243 |
| Select the World Flags | 0 | - | 4.27 | 37,382 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,968 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,744 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,002 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,652 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,790 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,659 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,201 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 60,628 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,335 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,960 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,352 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,331 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,122 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,914 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,339 |
| Pixelated World Map | 0 | - | 5.00 | 142,344 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,851 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,682 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,243 |
| Flags of WW1 | 0 | - | 4.60 | 37,904 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,635 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,914 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,219 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,895 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 86,601 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,671 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,248 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,927 |
| Orthodox Countries | 0 | - | 4.91 | 130,302 |
| Battle to Country | 0 | - | 4.91 | 52,469 |
| Monarchies of Europe | 0 | - | 4.90 | 97,251 |
| Monarchies of Asia | 0 | - | 4.97 | 70,559 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 65,993 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,404 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,526 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,025 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,529 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,138 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,907 |
| Flags of Oceania | 0 | - | 5.00 | 254,859 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,747 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,388 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,010 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,341 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,725 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,337 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,002 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,622 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,020 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,485 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,691 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,421 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,452 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 89,034 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,630 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,152 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,326 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,188 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,031 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 520,686 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,192 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,064 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,469 |
| Geography by Picture - B | 0 | - | 4.42 | 55,392 |
| Geography by Picture - H | 0 | - | 4.49 | 58,026 |
| Geography by Picture - N | 0 | - | 4.45 | 42,038 |
| Geography by Picture - R | 0 | - | 4.55 | 40,869 |
| Geography by Picture - T | 0 | - | 4.54 | 57,660 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,735 |
| Boundary Waters | 0 | - | 4.92 | 88,018 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,216 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,193 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,794 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,684 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,781 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,982 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,893 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,164 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,873 |
| Capitals Hidden in a Letter #1 | 0 | - | 4.96 | 20,899 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,877,579 |
| Countries in World War I | 0 | - | 4.88 | 226,505 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,306 |
| Hindu Countries | 0 | - | 4.85 | 49,488 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,905 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,025 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,058 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,142 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,088 |
| Merged Countries #2 | 0 | - | 4.96 | 98,420 |
| Merged Countries #6 | 0 | - | 4.91 | 72,664 |
| Merged Countries #7 | 0 | - | 4.92 | 81,917 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,063 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 55,892 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,976 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,962 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,627 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,630 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,789 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,310 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,077 |
| Landlocked Countries | 0 | - | 4.99 | 413,144 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,784 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,528 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 84,729 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,274 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,257 |
| Places by Country - Tile Select | 0 | - | 4.30 | 13,970 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,704,323 |
| Geography by Picture - A | 0 | - | 4.39 | 60,035 |
| Geography by Picture - D | 0 | - | 4.15 | 45,475 |
| Geography by Picture - F | 0 | - | 4.31 | 50,815 |
| Geography by Picture - G | 0 | - | 4.38 | 47,777 |
| Geography by Picture - J | 0 | - | 4.16 | 38,328 |
| Geography by Picture - K | 0 | - | 4.28 | 33,005 |
| Geography by Picture - C | 0 | - | 4.31 | 56,895 |
| Geography by Picture - L | 0 | - | 4.37 | 58,735 |
| Geography by Picture - M | 0 | - | 4.14 | 40,338 |
| Geography by Picture - P | 0 | - | 4.24 | 42,292 |
| Geography by Picture - S | 0 | - | 4.38 | 46,900 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,705 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,051 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,860 |
| European Cities by Picture #1 | 0 | - | 4.29 | 26,856 |
| Airline Logos | 0 | - | 4.45 | 139,891 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,920 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,808 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,586 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,520 |
