| All Country Flags of the World | 0 | - | 5.00 | 3,723,498 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,607 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,115 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,048 |
| Flags with Crescents | 0 | - | 4.98 | 171,695 |
| Country Flag Trivia | 0 | - | 4.82 | 58,267 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,148 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,606 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,855 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,108 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,143 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,616 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,046 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,394 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,598 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,587 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,183 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,333 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,794 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,564 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,882 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,553 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,483 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,521 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,422 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,471 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,271 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,859 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,275 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,185 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,544 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,009 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,175 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,526 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,778 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,865 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,835 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,844 |
| Flags of North and South America | 0 | - | 4.99 | 377,960 |
| Flags to Languages | 0 | - | 4.95 | 174,679 |
| Former Flags | 0 | - | 4.97 | 108,797 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,298 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,131 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,092 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,855 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,176 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,273 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,383 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,673 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,518 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,638 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,814 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,746 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,745 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,972 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,361 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,939 |
| Flag Maths | 0 | - | 4.61 | 57,863 |
| South China Sea Countries | 0 | - | 4.78 | 57,884 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,042 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,262 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,329 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,125 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,681 |
| World Coats of Arms | 0 | - | 4.99 | 65,312 |
| Similar Flags #1 | 0 | - | 4.75 | 130,934 |
| Similar Flags #2 | 0 | - | 4.74 | 138,212 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,287 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,788 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,642 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,069 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,641 |
| Emoji Flags | 0 | - | 4.35 | 44,323 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,220 |
| Countries by Road Signs | 0 | - | 4.98 | 54,439 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,639 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,267 |
| Select the World Flags | 0 | - | 4.28 | 38,031 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,733 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,596 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,155 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,139 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,799 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,829 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,911 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,905 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,714 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,828 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,545 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,586 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,181 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,754 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,531 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,113 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,253 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,897 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 48,014 |
| Pixelated World Map | 0 | - | 5.00 | 144,248 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,975 |
| Flags of WW1 | 0 | - | 4.60 | 38,762 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,300 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,470 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,299 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,612 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,460 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,835 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,433 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,735 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,256 |
| Merged Company Logos #3 | 0 | - | 4.50 | 65,015 |
| Flags of Oceania | 0 | - | 5.00 | 263,379 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,812 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.32 | 27,398 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,637 |
| African Great Lakes | 0 | - | 4.82 | 67,105 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,848 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,366 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,573 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,869 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,598 |
| U.S. State Capitals Closest to the Mississippi River | 0 | - | 4.86 | 18,495 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,660 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,822 |
| Merged Countries #2 | 0 | - | 4.96 | 99,958 |
| Merged Countries #4 | 0 | - | 4.81 | 94,182 |
| Merged Countries #6 | 0 | - | 4.90 | 73,889 |
| Merged Countries #7 | 0 | - | 4.93 | 83,232 |
| Geography by Picture - B | 0 | - | 4.42 | 55,827 |
| Geography by Picture - H | 0 | - | 4.50 | 58,423 |
| Geography by Picture - N | 0 | - | 4.45 | 42,390 |
| Geography by Picture - R | 0 | - | 4.56 | 41,186 |
| Geography by Picture - T | 0 | - | 4.54 | 58,039 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,036 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 51,009 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,784 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,960,141 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,789 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,856 |
| Merged Company Logos #4 | 0 | - | 4.39 | 52,828 |
| Satellite Images #1 | 0 | - | 4.46 | 130,063 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,749 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,441 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,291 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,252 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,655 |
| Movies with Landforms in the Name | 0 | - | 4.16 | 50,574 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,995 |
| Sea in the Answers | 0 | - | 4.08 | 49,200 |
| Boundary Waters | 0 | - | 4.92 | 88,829 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,459 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,820 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,536 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,053 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,074 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,928 |
| Landlocked Countries | 0 | - | 4.99 | 427,144 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,592 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,585 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,167 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,731,807 |
| Geography by Picture - A | 0 | - | 4.39 | 60,477 |
| Geography by Picture - D | 0 | - | 4.15 | 45,820 |
| Geography by Picture - F | 0 | - | 4.31 | 51,226 |
| Geography by Picture - G | 0 | - | 4.39 | 48,118 |
| Geography by Picture - J | 0 | - | 4.16 | 38,628 |
| Geography by Picture - K | 0 | - | 4.29 | 33,286 |
| Geography by Picture - C | 0 | - | 4.31 | 57,276 |
| Geography by Picture - L | 0 | - | 4.37 | 59,170 |
| Geography by Picture - M | 0 | - | 4.14 | 40,614 |
| Geography by Picture - P | 0 | - | 4.24 | 42,597 |
| Geography by Picture - S | 0 | - | 4.38 | 47,208 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,081 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,366 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,596 |
| European Cities by Picture #1 | 0 | - | 4.30 | 27,215 |
| Airline Logos | 0 | - | 4.45 | 141,554 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.58 | 35,400 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,888 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,947 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,547 |
| Islands by Picture | 0 | - | 4.28 | 107,940 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,984 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,504 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,143 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,178 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,493 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,009 |
| Capitals by River | 0 | - | 4.55 | 48,401 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,015 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,292 |
| Island Countries | 0 | - | 4.99 | 712,967 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,870 |
| Himalayan Countries | 0 | - | 4.93 | 140,782 |
| Andean Countries | 0 | - | 4.94 | 85,774 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,897 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,464 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,451 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,674 |
| Danube Countries | 0 | - | 4.97 | 72,531 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,782 |
