| All Country Flags of the World | 0 | - | 5.00 | 3,596,113 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,036 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,815 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,245 |
| Flags with Crescents | 0 | - | 4.98 | 167,357 |
| Country Flag Trivia | 0 | - | 4.81 | 55,810 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,276 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,367 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,775 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,369 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,295 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,956 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,669 |
| Flags of North and South America | 0 | - | 4.99 | 366,049 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,303 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,256 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,910 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,409 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,515 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,007 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,627 |
| Flags that are Red & White Only | 0 | - | 4.97 | 157,034 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 144,419 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,528 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,492 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,505 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,207 |
| Country Flags with the Most Blue | 0 | - | 4.87 | 91,608 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,689 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,486 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,168 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,734 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,212 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,831 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,619 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,690 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,302 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,611 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,651 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,878 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,327 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,256 |
| World Coats of Arms | 0 | - | 4.99 | 63,800 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,987 |
| Flags to Languages | 0 | - | 4.95 | 172,376 |
| Former Flags | 0 | - | 4.97 | 106,554 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,574 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,138 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,694 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,910 |
| Orthodox Countries | 0 | - | 4.91 | 130,283 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,775 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,468 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 65,979 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,185 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,504 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,668 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,997 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,551 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,416 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,351 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,365 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,224 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,523 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,256 |
| Countries by Road Signs | 0 | - | 4.98 | 53,023 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,972 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,156 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,718 |
| Flag Maths | 0 | - | 4.78 | 57,665 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,960 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,112 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,852 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,724 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,743 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,998 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,648 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,779 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,657 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,293 |
| Similar Flags #1 | 0 | - | 4.74 | 129,007 |
| Similar Flags #2 | 0 | - | 4.74 | 136,265 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,781 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,199 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,323 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,949 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,342 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,512 |
| Catholic Countries | 0 | - | 4.78 | 213,550 |
| Pixelated World Map | 0 | - | 5.00 | 142,277 |
| Buddhist Countries | 0 | - | 4.96 | 142,854 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,236 |
| Emoji Flags | 0 | - | 4.35 | 43,793 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,627 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,912 |
| Biblical Geography | 0 | - | 4.40 | 66,911 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,267 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,208 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,891 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,058 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,441 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,660 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,229 |
| Battle to Country | 0 | - | 4.91 | 52,458 |
| Monarchies of Europe | 0 | - | 4.90 | 97,236 |
| Monarchies of Asia | 0 | - | 4.97 | 70,547 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,394 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,183 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,020 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,519 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,134 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,900 |
| Flags of Oceania | 0 | - | 5.00 | 254,775 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,709 |
| Select the World Flags | 0 | - | 4.27 | 37,375 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,375 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,990 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,323 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,700 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,133 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,292 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,959 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,592 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,003 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,468 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,687 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,387 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,844 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,424 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 88,996 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,620 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,803 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,129 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,310 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,172 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,021 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,888 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 520,567 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,183 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,050 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,459 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,054 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,136 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,068 |
| Merged Countries #2 | 0 | - | 4.96 | 98,406 |
| Merged Countries #6 | 0 | - | 4.91 | 72,659 |
| Merged Countries #7 | 0 | - | 4.93 | 81,906 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,057 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,724 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 55,878 |
| Geography by Picture - B | 0 | - | 4.42 | 55,391 |
| Geography by Picture - H | 0 | - | 4.49 | 58,024 |
| Geography by Picture - N | 0 | - | 4.45 | 42,037 |
| Geography by Picture - R | 0 | - | 4.55 | 40,868 |
| Geography by Picture - T | 0 | - | 4.54 | 57,654 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,734 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,756 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,961 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,881 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,868,612 |
| Countries in World War I | 0 | - | 4.88 | 226,471 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,277 |
| Hindu Countries | 0 | - | 4.85 | 49,459 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,011 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,312 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,969 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,959 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,619 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,624 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,780 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,298 |
| Boundary Waters | 0 | - | 4.92 | 88,006 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,790 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,199 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,165 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,782 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,668 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,103 |
| Landlocked Countries | 0 | - | 4.99 | 413,061 |
| Sharia Law Countries | 0 | - | 4.48 | 63,321 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,255 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 84,712 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,361 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,233 |
| Places by Country - Tile Select | 0 | - | 4.30 | 13,969 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,704,141 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,340 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,625 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,814 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,962 |
| Geography by Picture - A | 0 | - | 4.39 | 60,029 |
| Geography by Picture - D | 0 | - | 4.15 | 45,472 |
| Geography by Picture - F | 0 | - | 4.31 | 50,813 |
| Geography by Picture - G | 0 | - | 4.38 | 47,775 |
| Geography by Picture - J | 0 | - | 4.16 | 38,323 |
| Geography by Picture - K | 0 | - | 4.28 | 33,001 |
| Geography by Picture - C | 0 | - | 4.31 | 56,894 |
| Geography by Picture - L | 0 | - | 4.37 | 58,733 |
| Geography by Picture - M | 0 | - | 4.14 | 40,335 |
