| All Country Flags of the World | 0 | - | 5.00 | 3,713,172 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,911 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,155 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,418 |
| Flags with Crescents | 0 | - | 4.98 | 171,331 |
| Country Flag Trivia | 0 | - | 4.81 | 58,019 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,887 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,428 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,592 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,938 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,980 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,488 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,335 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,322 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,889 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,185 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,598 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,313 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,639 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,386 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,333 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,341 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,266 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,337 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,129 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,736 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,133 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,091 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,491 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,925 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,069 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,410 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,649 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,733 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,691 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,790 |
| Flags of North and South America | 0 | - | 4.99 | 376,930 |
| Flags to Languages | 0 | - | 4.95 | 174,505 |
| Former Flags | 0 | - | 4.97 | 108,570 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,231 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,022 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,008 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,226 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,820 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,259 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,589 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,349 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,425 |
| Flag Maths | 0 | - | 4.61 | 57,841 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,854 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,179 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,253 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,056 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,643 |
| World Coats of Arms | 0 | - | 4.99 | 65,137 |
| Similar Flags #1 | 0 | - | 4.75 | 130,770 |
| Similar Flags #2 | 0 | - | 4.74 | 138,065 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,570 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,854 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,708 |
| Emoji Flags | 0 | - | 4.35 | 44,287 |
| Countries by Road Signs | 0 | - | 4.98 | 54,345 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,111 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,530 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,346 |
| Select the World Flags | 0 | - | 4.28 | 37,992 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,546 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,164 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,775 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,481 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,530 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,123 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,698 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,402 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,058 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,213 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,006 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,872 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,217 |
| Pixelated World Map | 0 | - | 5.00 | 144,104 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,459 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,674 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,188 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,419 |
| Boundary Waters | 0 | - | 4.92 | 88,762 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,410 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,695 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,341 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,961 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,963 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,394 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,398 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,795 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,372 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,691 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,224 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,378 |
| Geography by Picture - N | 0 | - | 4.45 | 42,337 |
| Geography by Picture - R | 0 | - | 4.56 | 41,144 |
| Geography by Picture - T | 0 | - | 4.54 | 57,998 |
| Flags of Oceania | 0 | - | 5.00 | 262,668 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,571 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,452 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,445 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,772 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,465 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,873,998 |
| Flags of WW1 | 0 | - | 4.60 | 38,688 |
| Landlocked Countries | 0 | - | 4.99 | 425,774 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,185 |
| Satellite Images #1 | 0 | - | 4.46 | 129,974 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,670 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,281 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,218 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,198 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,576 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,893 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,922 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,391 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,973 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,997 |
| World Capitals Quiz | 0 | - | 5.00 | 5,105,681 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,223 |
| Himalayan Countries | 0 | - | 4.93 | 140,214 |
| Andean Countries | 0 | - | 4.94 | 85,432 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,583 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,973 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,144 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,418 |
| Danube Countries | 0 | - | 4.97 | 72,379 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,579 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,828 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,103 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,594 |
| European Landlocked Countries | 0 | - | 4.99 | 147,599 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,289 |
| Countries with the Most Species | 0 | - | 4.99 | 103,556 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,398 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,775 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,882 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,838 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,575 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,009 |
| Countries in the Alps | 0 | - | 4.87 | 118,766 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,618 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,845 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,959 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,020 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,943 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,245 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,389 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,856 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,416 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,176 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,863 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,738 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,552 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,780 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,884 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,824 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,604 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 69,503 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,661 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,688 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,124 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,500 |
| Largest Countries By Category | 0 | - | 4.97 | 158,854 |
| Countries by Countries | 0 | - | 4.96 | 63,638 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,252 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,400 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,668 |
| Merged Country Flags | 0 | - | 4.88 | 107,375 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,959 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,427 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,146 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,101 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,047 |
| Merged Countries #2 | 0 | - | 4.96 | 99,879 |
| Merged Countries #4 | 0 | - | 4.81 | 94,120 |
| Merged Countries #6 | 0 | - | 4.90 | 73,806 |
| Merged Countries #7 | 0 | - | 4.93 | 83,149 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,452 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,983 |
| Geography by Picture - A | 0 | - | 4.39 | 60,434 |
| Geography by Picture - D | 0 | - | 4.15 | 45,786 |
| Geography by Picture - F | 0 | - | 4.31 | 51,171 |
| Geography by Picture - G | 0 | - | 4.39 | 48,074 |
| Geography by Picture - J | 0 | - | 4.16 | 38,593 |
| Geography by Picture - K | 0 | - | 4.29 | 33,247 |
| Geography by Picture - C | 0 | - | 4.31 | 57,235 |
| Geography by Picture - L | 0 | - | 4.37 | 59,135 |
| Geography by Picture - M | 0 | - | 4.14 | 40,578 |
| Geography by Picture - P | 0 | - | 4.24 | 42,564 |
| Geography by Picture - S | 0 | - | 4.38 | 47,178 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,797 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,614 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,167 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,073 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,569 |
