| All Country Flags of the World | 0 | - | 5.00 | 3,614,508 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,563 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,473 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,416 |
| Flags with Crescents | 0 | - | 4.98 | 167,932 |
| Country Flag Trivia | 0 | - | 4.81 | 56,133 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,661 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,640 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,174 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,195 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,419 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,817 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,310 |
| Country Flags with the Southern Cross | 0 | - | 4.80 | 61,609 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,010 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,001 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,822 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,865 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,873 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,613 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,908 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,994 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,750 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,483 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,963 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,377 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,774 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,893 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,817 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,106 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,293 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,435 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,136 |
| Flags of North and South America | 0 | - | 4.99 | 368,655 |
| Flags to Languages | 0 | - | 4.95 | 172,726 |
| Former Flags | 0 | - | 4.97 | 106,910 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,697 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,173 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,928 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,175 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,762 |
| 20 Random Country Flags | 0 | - | 4.99 | 606,108 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,200 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,753 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,704 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,697 |
| Flag Maths | 0 | - | 4.78 | 57,692 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,638 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,065 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,512 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,445 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,315 |
| World Coats of Arms | 0 | - | 4.99 | 63,997 |
| Similar Flags #1 | 0 | - | 4.74 | 129,292 |
| Similar Flags #2 | 0 | - | 4.74 | 136,551 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,597 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,013 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,186 |
| Emoji Flags | 0 | - | 4.35 | 43,864 |
| Countries by Road Signs | 0 | - | 4.98 | 53,249 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,136 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,048 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 21,769 |
| Select the World Flags | 0 | - | 4.27 | 37,462 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,408 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,649 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,115 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,754 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,909 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,736 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,277 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,477 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,048 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,468 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,977 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,220 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,083 |
| Pixelated World Map | 0 | - | 5.00 | 142,634 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,836 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,543 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,869 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,994 |
| Boundary Waters | 0 | - | 4.92 | 88,122 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,888 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,461 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,539 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,975 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,881 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,428 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,947 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,085 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,626 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,196 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,948 |
| Geography by Picture - B | 0 | - | 4.42 | 55,458 |
| Geography by Picture - H | 0 | - | 4.50 | 58,081 |
| Geography by Picture - N | 0 | - | 4.45 | 42,076 |
| Geography by Picture - R | 0 | - | 4.55 | 40,906 |
| Geography by Picture - T | 0 | - | 4.54 | 57,715 |
| Flags of Oceania | 0 | - | 5.00 | 256,034 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,143 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,566 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,235 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,586 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,989 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,026,287 |
| Flags of WW1 | 0 | - | 4.60 | 38,037 |
| Landlocked Countries | 0 | - | 4.99 | 414,963 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 556,769 |
| Satellite Images #1 | 0 | - | 4.46 | 129,089 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,051 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,708 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,704 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,849 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,497 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,758 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,262 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,157 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,035 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,269 |
| World Capitals Quiz | 0 | - | 5.00 | 5,040,532 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,136 |
| Himalayan Countries | 0 | - | 4.95 | 135,835 |
| Andean Countries | 0 | - | 4.94 | 83,099 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,422 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,530 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,125 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,783 |
| Danube Countries | 0 | - | 4.97 | 71,221 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,948 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,671 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,775 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,695 |
| European Landlocked Countries | 0 | - | 4.99 | 145,922 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,442 |
| Countries with the Most Species | 0 | - | 4.99 | 95,317 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,587 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,251 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,423 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,038 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,689 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,051 |
| Countries in the Alps | 0 | - | 4.86 | 117,048 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,716 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,514 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,133 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,548 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,333 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,744 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,654 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,175 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,255 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,119 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,580 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,853 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,864 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,362 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,764 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,333 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,975 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,046 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,093 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,703 |
| Largest Countries By Category | 0 | - | 4.97 | 156,968 |
| Countries by Countries | 0 | - | 4.96 | 62,404 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,598 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,008 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,369 |
| Merged Country Flags | 0 | - | 4.88 | 106,150 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,174 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,247 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,169 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,903 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,619 |
| Merged Countries #2 | 0 | - | 4.96 | 98,573 |
| Merged Countries #6 | 0 | - | 4.90 | 72,823 |
| Merged Countries #7 | 0 | - | 4.92 | 82,062 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,847 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,531 |
| Geography by Picture - A | 0 | - | 4.39 | 60,087 |
| Geography by Picture - D | 0 | - | 4.15 | 45,529 |
| Geography by Picture - F | 0 | - | 4.31 | 50,858 |
| Geography by Picture - G | 0 | - | 4.38 | 47,830 |
| Geography by Picture - J | 0 | - | 4.16 | 38,357 |
| Geography by Picture - K | 0 | - | 4.29 | 33,037 |
| Geography by Picture - C | 0 | - | 4.31 | 56,944 |
| Geography by Picture - L | 0 | - | 4.37 | 58,800 |
| Geography by Picture - M | 0 | - | 4.14 | 40,365 |
| Geography by Picture - P | 0 | - | 4.24 | 42,324 |
| Geography by Picture - S | 0 | - | 4.38 | 46,938 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,677 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,278 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,521 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,777 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,723 |
| Longest International Borders | 0 | - | 4.99 | 264,043 |
| Countries with Three Borders | 0 | - | 4.96 | 36,270 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,682 |
