| All Country Flags of the World | 0 | - | 5.00 | 3,603,629 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,617 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,532 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,766 |
| Flags with Crescents | 0 | - | 4.98 | 167,608 |
| Country Flag Trivia | 0 | - | 4.81 | 55,958 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,453 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,478 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,938 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,059 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,789 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,246 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,945 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,392 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,530 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,690 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,274 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,646 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,664 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,409 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,758 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,833 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,601 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,321 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,845 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,282 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,679 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,778 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,409 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,710 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,774 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,987 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,051 |
| Flags of North and South America | 0 | - | 4.99 | 367,460 |
| Flags to Languages | 0 | - | 4.95 | 172,520 |
| Former Flags | 0 | - | 4.97 | 106,730 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,629 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,155 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,805 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,607 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,713 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,584 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,086 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,641 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,544 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,493 |
| Flag Maths | 0 | - | 4.78 | 57,678 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,392 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,977 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,453 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,373 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,286 |
| World Coats of Arms | 0 | - | 4.99 | 63,873 |
| Similar Flags #1 | 0 | - | 4.74 | 129,132 |
| Similar Flags #2 | 0 | - | 4.74 | 136,391 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,418 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,822 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,950 |
| Emoji Flags | 0 | - | 4.35 | 43,820 |
| Countries by Road Signs | 0 | - | 4.98 | 53,109 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,046 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,998 |
| Select the World Flags | 0 | - | 4.27 | 37,412 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,316 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,575 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,057 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,691 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,836 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,687 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,229 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,388 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,990 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,402 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,839 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,196 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,785 |
| Pixelated World Map | 0 | - | 5.00 | 142,466 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,603 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,410 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,714 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,937 |
| Boundary Waters | 0 | - | 4.92 | 88,057 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,822 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,311 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,324 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,853 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,752 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,293 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,917 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,047 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,576 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,159 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,921 |
| Geography by Picture - B | 0 | - | 4.42 | 55,421 |
| Geography by Picture - H | 0 | - | 4.49 | 58,055 |
| Geography by Picture - N | 0 | - | 4.45 | 42,052 |
| Geography by Picture - R | 0 | - | 4.55 | 40,882 |
| Geography by Picture - T | 0 | - | 4.54 | 57,681 |
| Flags of Oceania | 0 | - | 5.00 | 255,305 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,906 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,469 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,088 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,438 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,846 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,931,413 |
| Flags of WW1 | 0 | - | 4.60 | 37,953 |
| Landlocked Countries | 0 | - | 4.99 | 413,749 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,342 |
| Satellite Images #1 | 0 | - | 4.46 | 129,021 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,994 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,656 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,654 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,812 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,381 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,740 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,169 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,019 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,660 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,042 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,544 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,648 |
| Himalayan Countries | 0 | - | 4.95 | 135,412 |
| Andean Countries | 0 | - | 4.94 | 82,845 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,236 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,235 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,929 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,625 |
| Danube Countries | 0 | - | 4.97 | 71,095 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,777 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,548 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,515 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,427 |
| European Landlocked Countries | 0 | - | 4.99 | 145,768 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,230 |
| Countries with the Most Species | 0 | - | 4.99 | 95,248 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,368 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,202 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,372 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,964 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,581 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,958 |
| Countries in the Alps | 0 | - | 4.86 | 116,844 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,582 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,278 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,020 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,433 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,185 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,014 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,593 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,770 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,351 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,076 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,200 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,050 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,460 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,759 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,763 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,100 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,658 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,260 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,781 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,367 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,714 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,611 |
| Largest Countries By Category | 0 | - | 4.97 | 156,780 |
| Countries by Countries | 0 | - | 4.96 | 62,269 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,409 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,965 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,335 |
| Merged Country Flags | 0 | - | 4.88 | 106,028 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,720 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,119 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,065 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,779 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,718,174 |
| Merged Countries #2 | 0 | - | 4.96 | 98,496 |
| Merged Countries #6 | 0 | - | 4.91 | 72,727 |
| Merged Countries #7 | 0 | - | 4.92 | 81,977 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,724 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,493 |
| Geography by Picture - A | 0 | - | 4.39 | 60,057 |
| Geography by Picture - D | 0 | - | 4.15 | 45,498 |
| Geography by Picture - F | 0 | - | 4.31 | 50,832 |
| Geography by Picture - G | 0 | - | 4.38 | 47,794 |
| Geography by Picture - J | 0 | - | 4.16 | 38,338 |
| Geography by Picture - K | 0 | - | 4.28 | 33,018 |
| Geography by Picture - C | 0 | - | 4.31 | 56,914 |
| Geography by Picture - L | 0 | - | 4.37 | 58,766 |
| Geography by Picture - M | 0 | - | 4.14 | 40,349 |
| Geography by Picture - P | 0 | - | 4.24 | 42,302 |
| Geography by Picture - S | 0 | - | 4.38 | 46,913 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,569 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,241 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,453 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,454 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,631 |
| Longest International Borders | 0 | - | 4.99 | 263,552 |
| Countries with Three Borders | 0 | - | 4.96 | 36,188 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,607 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,684 |
