| All Country Flags of the World | 0 | - | 5.00 | 3,597,001 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,247 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,912 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,309 |
| Flags with Crescents | 0 | - | 4.98 | 167,381 |
| Country Flag Trivia | 0 | - | 4.81 | 55,830 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,295 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,382 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,800 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,382 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,306 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,960 |
| Flags of North and South America | 0 | - | 4.99 | 366,244 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,554 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,045 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,670 |
| Flags that are Red & White Only | 0 | - | 4.97 | 157,928 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,458 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,644 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,512 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,525 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,241 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,626 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,708 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,500 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,184 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,746 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,220 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,630 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,700 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,318 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,630 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,671 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,903 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,995 |
| Flags to Languages | 0 | - | 4.95 | 172,393 |
| Former Flags | 0 | - | 4.97 | 106,571 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,587 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,143 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,711 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,197 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,683 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,496 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,674 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,857 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,005 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,559 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,437 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,361 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,262 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,919 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,414 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,282 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,333 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,258 |
| World Coats of Arms | 0 | - | 4.99 | 63,806 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,184 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,737 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,531 |
| Flag Maths | 0 | - | 4.78 | 57,667 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,067 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,447 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,298 |
| Similar Flags #1 | 0 | - | 4.74 | 129,019 |
| Similar Flags #2 | 0 | - | 4.74 | 136,281 |
| Emoji Flags | 0 | - | 4.35 | 43,801 |
| Countries by Road Signs | 0 | - | 4.98 | 53,036 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,978 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,240 |
| Select the World Flags | 0 | - | 4.27 | 37,382 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,967 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,736 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,002 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,651 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,788 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,659 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,200 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 60,625 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,334 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,958 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,351 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,329 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,027 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,889 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,333 |
| Pixelated World Map | 0 | - | 5.00 | 142,335 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,850 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,642 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,239 |
| Flags of WW1 | 0 | - | 4.60 | 37,901 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,633 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,913 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,216 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,894 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 86,597 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,668 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,241 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,922 |
| Orthodox Countries | 0 | - | 4.91 | 130,298 |
| Battle to Country | 0 | - | 4.91 | 52,465 |
| Monarchies of Europe | 0 | - | 4.90 | 97,245 |
| Monarchies of Asia | 0 | - | 4.97 | 70,557 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 65,987 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,400 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,523 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,025 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,527 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,138 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,906 |
| Flags of Oceania | 0 | - | 5.00 | 254,837 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,732 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,385 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,006 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,338 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,721 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,324 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,995 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,613 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,015 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,481 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,689 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,412 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,445 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 89,017 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,624 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,144 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,321 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,185 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,029 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 520,653 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,189 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,062 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,466 |
| Geography by Picture - B | 0 | - | 4.42 | 55,391 |
| 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 | 57,657 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,735 |
| Boundary Waters | 0 | - | 4.92 | 88,016 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,212 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,188 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,791 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,680 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,769 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,980 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,892 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,163 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,862 |
| Capitals Hidden in a Letter #1 | 0 | - | 4.96 | 20,897 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,875,350 |
| Countries in World War I | 0 | - | 4.88 | 226,500 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,300 |
| Hindu Countries | 0 | - | 4.85 | 49,482 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,902 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,020 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,057 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,141 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,082 |
| Merged Countries #2 | 0 | - | 4.96 | 98,418 |
| Merged Countries #6 | 0 | - | 4.91 | 72,662 |
| Merged Countries #7 | 0 | - | 4.92 | 81,911 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,063 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 55,886 |
| 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 | 88,626 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,629 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,787 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,306 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,884 |
| Landlocked Countries | 0 | - | 4.99 | 413,125 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,783 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,467 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 84,725 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,005 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,251 |
| Places by Country - Tile Select | 0 | - | 4.30 | 13,969 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,704,272 |
| Geography by Picture - A | 0 | - | 4.39 | 60,030 |
| 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 | 47,776 |
| 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 | 56,894 |
| 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 | 42,291 |
| 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 | 70,050 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,855 |
| European Cities by Picture #1 | 0 | - | 4.29 | 26,855 |
| Airline Logos | 0 | - | 4.45 | 139,890 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,917 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,804 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,581 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,519 |
