| All Country Flags of the World | 0 | - | 5.00 | 3,596,274 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,063 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,827 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,255 |
| Flags with Crescents | 0 | - | 4.98 | 167,360 |
| Country Flag Trivia | 0 | - | 4.81 | 55,811 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,278 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,368 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,783 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,371 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,296 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,956 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,671 |
| Flags of North and South America | 0 | - | 4.99 | 366,080 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,305 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,257 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,912 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,410 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,521 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,015 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,636 |
| Flags that are Red & White Only | 0 | - | 4.97 | 157,373 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,432 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,545 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,496 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,508 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,213 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,614 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,692 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,488 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,170 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,736 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,212 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,834 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,622 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,692 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,305 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,614 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,653 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,883 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,328 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,256 |
| World Coats of Arms | 0 | - | 4.99 | 63,802 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,988 |
| Flags to Languages | 0 | - | 4.95 | 172,383 |
| Former Flags | 0 | - | 4.97 | 106,556 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,580 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,140 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,695 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,912 |
| Orthodox Countries | 0 | - | 4.91 | 130,286 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,789 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,473 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 65,980 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,186 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,508 |
| 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 | 143,352 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,366 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,226 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,524 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,259 |
| Countries by Road Signs | 0 | - | 4.98 | 53,026 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,973 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,159 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,729 |
| Flag Maths | 0 | - | 4.78 | 57,666 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,961 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,118 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,861 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,765 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,759 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,999 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,648 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,781 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,659 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,294 |
| Similar Flags #1 | 0 | - | 4.74 | 129,009 |
| Similar Flags #2 | 0 | - | 4.74 | 136,265 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,782 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,199 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,324 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,949 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,343 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,545 |
| Catholic Countries | 0 | - | 4.78 | 213,551 |
| Pixelated World Map | 0 | - | 5.00 | 142,303 |
| Buddhist Countries | 0 | - | 4.96 | 142,859 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,237 |
| 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 | 80,209 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,892 |
| 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 | 94,662 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,232 |
| Battle to Country | 0 | - | 4.91 | 52,461 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| Monarchies of Asia | 0 | - | 4.97 | 70,550 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,395 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,186 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,020 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,521 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,134 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,901 |
| Flags of Oceania | 0 | - | 5.00 | 254,782 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,712 |
| Select the World Flags | 0 | - | 4.27 | 37,378 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,378 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,995 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,326 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,703 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,138 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,294 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,964 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,594 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,005 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,471 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,688 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,390 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,846 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,428 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 89,000 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,622 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,806 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,131 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,313 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,176 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,021 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,890 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 520,583 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,183 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,052 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,460 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,054 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,137 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,069 |
| Merged Countries #2 | 0 | - | 4.96 | 98,408 |
| Merged Countries #6 | 0 | - | 4.91 | 72,659 |
| Merged Countries #7 | 0 | - | 4.92 | 81,908 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,057 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,725 |
| 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 | 104,759 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,969 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,882 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,869,841 |
| Countries in World War I | 0 | - | 4.88 | 226,493 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,283 |
| Hindu Countries | 0 | - | 4.85 | 49,465 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,011 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,318 |
| 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 | 38,781 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,298 |
| Boundary Waters | 0 | - | 4.92 | 88,008 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,790 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,201 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,167 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,785 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,669 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,205 |
| Landlocked Countries | 0 | - | 4.99 | 413,069 |
| Sharia Law Countries | 0 | - | 4.48 | 63,322 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,313 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 84,717 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,452 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,237 |
| Places by Country - Tile Select | 0 | - | 4.30 | 13,969 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,704,153 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,340 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,627 |
| 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 | 45,473 |
| 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 | 38,324 |
| Geography by Picture - K | 0 | - | 4.28 | 33,002 |
| 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 | 40,337 |
