| All Country Flags of the World | 0 | - | 5.00 | 3,703,463 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,986 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,267 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,830 |
| Flags with Crescents | 0 | - | 4.98 | 171,042 |
| Country Flag Trivia | 0 | - | 4.81 | 57,820 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,692 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,243 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,354 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,794 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,831 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,367 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,069 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,104 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,637 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,042 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,383 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,101 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,395 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,256 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,184 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,192 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,148 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,227 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,006 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,628 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,044 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,014 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,418 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,827 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,962 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,309 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,526 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,613 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,565 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,743 |
| Flags of North and South America | 0 | - | 4.99 | 376,167 |
| Flags to Languages | 0 | - | 4.95 | 174,340 |
| Former Flags | 0 | - | 4.97 | 108,375 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,184 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,934 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,913 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,178 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,613 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,162 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,487 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,182 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,272 |
| Flag Maths | 0 | - | 4.61 | 57,822 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,656 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,078 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,198 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,996 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,609 |
| World Coats of Arms | 0 | - | 4.99 | 65,000 |
| Similar Flags #1 | 0 | - | 4.75 | 130,619 |
| Similar Flags #2 | 0 | - | 4.74 | 137,918 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,357 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,721 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,532 |
| Emoji Flags | 0 | - | 4.35 | 44,254 |
| Countries by Road Signs | 0 | - | 4.98 | 54,261 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,984 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,461 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,099 |
| Select the World Flags | 0 | - | 4.28 | 37,939 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,425 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,105 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,709 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,418 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,469 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,087 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,669 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,245 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,022 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,156 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,780 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,823 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,733 |
| Pixelated World Map | 0 | - | 5.00 | 143,951 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,212 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,581 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,070 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,373 |
| Boundary Waters | 0 | - | 4.92 | 88,712 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,368 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,571 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,170 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,849 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,854 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,166 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,342 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,770 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,304 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,646 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,201 |
| Geography by Picture - B | 0 | - | 4.42 | 55,747 |
| Geography by Picture - H | 0 | - | 4.50 | 58,350 |
| Geography by Picture - N | 0 | - | 4.45 | 42,319 |
| Geography by Picture - R | 0 | - | 4.56 | 41,123 |
| Geography by Picture - T | 0 | - | 4.54 | 57,968 |
| Flags of Oceania | 0 | - | 5.00 | 262,082 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,314 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,365 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,340 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,675 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,336 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,784,420 |
| Flags of WW1 | 0 | - | 4.60 | 38,625 |
| Landlocked Countries | 0 | - | 4.99 | 424,573 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,312 |
| Satellite Images #1 | 0 | - | 4.47 | 129,884 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,592 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,150 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,166 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,162 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,478 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,885 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,858 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,289 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,812 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,848 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,321 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,660 |
| Himalayan Countries | 0 | - | 4.94 | 139,789 |
| Andean Countries | 0 | - | 4.94 | 85,192 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,375 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,660 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,939 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,234 |
| Danube Countries | 0 | - | 4.97 | 72,274 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,422 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,711 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,868 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,364 |
| European Landlocked Countries | 0 | - | 4.99 | 147,462 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,096 |
| Countries with the Most Species | 0 | - | 4.99 | 103,489 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,241 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,710 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,823 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,750 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,482 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,908 |
| Countries in the Alps | 0 | - | 4.87 | 118,588 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,329 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,608 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,876 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,896 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,822 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,140 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,253 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,770 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,339 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,070 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,797 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,664 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,454 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,691 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,778 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,533 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,528 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,547 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,498 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,221 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,854 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,431 |
| Largest Countries By Category | 0 | - | 4.97 | 158,667 |
| Countries by Countries | 0 | - | 4.96 | 63,513 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,105 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,362 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,644 |
| Merged Country Flags | 0 | - | 4.88 | 107,257 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,580 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,284 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,066 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,989 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,796,521 |
| Merged Countries #2 | 0 | - | 4.96 | 99,793 |
| Merged Countries #6 | 0 | - | 4.90 | 73,732 |
| Merged Countries #7 | 0 | - | 4.93 | 83,067 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,347 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,951 |
| Geography by Picture - A | 0 | - | 4.39 | 60,399 |
| Geography by Picture - D | 0 | - | 4.15 | 45,765 |
| Geography by Picture - F | 0 | - | 4.31 | 51,142 |
| Geography by Picture - G | 0 | - | 4.39 | 48,057 |
| Geography by Picture - J | 0 | - | 4.16 | 38,571 |
| Geography by Picture - K | 0 | - | 4.29 | 33,228 |
| Geography by Picture - C | 0 | - | 4.31 | 57,205 |
| Geography by Picture - L | 0 | - | 4.37 | 59,101 |
| Geography by Picture - M | 0 | - | 4.14 | 40,560 |
| Geography by Picture - P | 0 | - | 4.24 | 42,538 |
| Geography by Picture - S | 0 | - | 4.38 | 47,157 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,718 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,588 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,109 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,771 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,487 |
| Longest International Borders | 0 | - | 4.99 | 265,635 |
