| All Country Flags of the World | 0 | - | 5.00 | 3,723,752 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,637 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,141 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,064 |
| Flags with Crescents | 0 | - | 4.98 | 171,703 |
| Country Flag Trivia | 0 | - | 4.82 | 58,277 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,151 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,607 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,859 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,111 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,149 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,617 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,051 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,601 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,591 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,190 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,334 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,798 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,565 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,887 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,557 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,483 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,524 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,425 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,472 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,273 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,863 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,278 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,187 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,547 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,011 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,179 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,530 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,782 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,867 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,840 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,852 |
| Flags of North and South America | 0 | - | 4.99 | 377,987 |
| Flags to Languages | 0 | - | 4.95 | 174,680 |
| Former Flags | 0 | - | 4.97 | 108,802 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,299 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,133 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,093 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,859 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,274 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,228 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,386 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,673 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,521 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,647 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,371 |
| Flag Maths | 0 | - | 4.61 | 57,863 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,048 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,263 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,329 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,126 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,681 |
| World Coats of Arms | 0 | - | 4.99 | 65,313 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,752 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,976 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,943 |
| Similar Flags #1 | 0 | - | 4.75 | 130,936 |
| Similar Flags #2 | 0 | - | 4.74 | 138,213 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,288 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,791 |
| Emoji Flags | 0 | - | 4.35 | 44,324 |
| Countries by Road Signs | 0 | - | 4.98 | 54,439 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,271 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,736 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,596 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,646 |
| Select the World Flags | 0 | - | 4.28 | 38,031 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,645 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,220 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,141 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,830 |
| 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 | 119,536 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,114 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,254 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,977 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,736 |
| Pixelated World Map | 0 | - | 5.00 | 144,253 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,155 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,914 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,800 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,976 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,301 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,470 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,622 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,463 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,835 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,435 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,735 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,257 |
| Geography by Picture - B | 0 | - | 4.42 | 55,828 |
| Geography by Picture - H | 0 | - | 4.50 | 58,425 |
| 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 | 58,040 |
| Merged Company Logos #3 | 0 | - | 4.50 | 65,016 |
| Flags of Oceania | 0 | - | 5.00 | 263,394 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,819 |
| Flags of WW1 | 0 | - | 4.60 | 38,763 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.32 | 27,398 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,639 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,575 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,871 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,598 |
| Boundary Waters | 0 | - | 4.92 | 88,831 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,465 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,824 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,539 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,059 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,078 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,962,249 |
| Landlocked Countries | 0 | - | 4.99 | 427,175 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,669 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,857 |
| Satellite Images #1 | 0 | - | 4.46 | 130,066 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,749 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,442 |
| 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 | 86,657 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,911 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,125 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,778 |
| Merged Countries #2 | 0 | - | 4.96 | 99,959 |
| Merged Countries #4 | 0 | - | 4.81 | 94,183 |
| Merged Countries #6 | 0 | - | 4.90 | 73,891 |
| Merged Countries #7 | 0 | - | 4.93 | 83,232 |
| Geography by Picture - A | 0 | - | 4.39 | 60,481 |
| 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 | 38,630 |
| Geography by Picture - K | 0 | - | 4.29 | 33,287 |
| Geography by Picture - C | 0 | - | 4.31 | 57,277 |
| 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 | 47,209 |
| Merged Company Logos #4 | 0 | - | 4.39 | 52,828 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,548 |
| Islands by Picture | 0 | - | 4.28 | 107,947 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,987 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,507 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,150 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,182 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,529 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,786 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,060 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,022 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,307 |
| Island Countries | 0 | - | 4.99 | 712,975 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,877 |
| Himalayan Countries | 0 | - | 4.93 | 140,788 |
| Andean Countries | 0 | - | 4.94 | 85,778 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,904 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,469 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,454 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,677 |
| Danube Countries | 0 | - | 4.97 | 72,536 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,788 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,969 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,424 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,897 |
| European Landlocked Countries | 0 | - | 4.99 | 147,730 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,525 |
| Countries with the Most Species | 0 | - | 4.99 | 103,641 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,628 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,812 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,951 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,918 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,671 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,122 |
| Countries in the Alps | 0 | - | 4.87 | 118,957 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,968 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,109 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,050 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,165 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,118 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,384 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,579 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,985 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,508 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,306 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,949 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,825 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,664 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,915 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,014 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,130 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,726 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,387 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,830 |
