| All Country Flags of the World | 0 | - | 5.00 | 2,919,559 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,349,772 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 994,212 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 666,219 |
| Flags with Crescents | 0 | - | 4.98 | 141,499 |
| Country Flag Trivia | 0 | - | 4.87 | 42,798 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 74,630 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 55,040 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 41,067 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 111,887 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 87,804 |
| Flags with the Most Stars | 0 | - | 4.90 | 104,581 |
| Flags that are Red & White Only | 0 | - | 4.97 | 130,044 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 123,899 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 33,951 |
| Four Countries with Similar Flags #2 | 0 | - | 4.88 | 34,733 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 42,512 |
| Country Flags with the Most Red | 0 | - | 4.97 | 89,603 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 78,052 |
| Country Flags with the Most Green | 0 | - | 4.95 | 78,233 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 79,846 |
| Country Flags with the Most Yellow | 0 | - | 4.92 | 76,667 |
| Country Flags with the Most Black | 0 | - | 4.94 | 84,893 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 54,932 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 43,495 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 81,165 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 62,192 |
| Countries by Partial Flag Images #5 | 0 | - | 4.97 | 47,797 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 81,620 |
| Flags to Languages | 0 | - | 4.95 | 134,351 |
| Former Flags | 0 | - | 4.98 | 80,647 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 32,702 |
| Countries by Partial Flag Images #6 | 0 | - | 4.92 | 26,439 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,430 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 26,183 |
| Random Flag to Country | 0 | - | 4.99 | 499,454 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 93,359 |
| Countries by Bordering Flags #2 | 0 | - | 4.89 | 74,853 |
| Flags of the Mediterranean | 0 | - | 4.94 | 123,020 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 113,388 |
| Countries by Satellite Image #1 | 0 | - | 4.87 | 128,209 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 75,264 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,101 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 57,815 |
| World Coats of Arms | 0 | - | 4.99 | 54,836 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 85,553 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,232 |
| Similar Flags #1 | 0 | - | 4.72 | 109,875 |
| Similar Flags #2 | 0 | - | 4.79 | 111,650 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 124,239 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 39,454 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 148,921 |
| Emoji Flags | 0 | - | 4.34 | 40,302 |
| Countries by Road Signs | 0 | - | 4.98 | 44,713 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,165 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,761 |
| Select the World Flags | 0 | - | 4.29 | 32,802 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,281 |
| Random Circular Cutouts of the World Map | 0 | - | 4.97 | 65,668 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.64 | 53,669 |
| Countries by Satellite Image #3 | 0 | - | 4.66 | 65,692 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 63,697 |
| Countries by Satellite Image #4 | 0 | - | 4.72 | 61,785 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 43,535 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.76 | 40,983 |
| Countries by Coat of Arms #2 | 0 | - | 4.76 | 32,070 |
| Countries by Picture #1 | 0 | - | 4.51 | 88,444 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,085 |
| Guess the Country by a Picture Hint | 0 | - | 4.41 | 41,647 |
| Name a Valid Country Flag | 0 | - | 4.57 | 45,495 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,032,862 |
| Flags of Asia Quiz | 0 | - | 4.99 | 518,938 |
| Pixelated World Map | 0 | - | 5.00 | 126,945 |
| Flags of Africa Quiz | 0 | - | 4.99 | 381,281 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.41 | 65,684 |
| Satellite Images - Europe | 0 | - | 4.44 | 80,533 |
| European Cities by Picture #2 | 0 | - | 4.47 | 34,249 |
| Boundary Waters | 0 | - | 4.93 | 80,471 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,818 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 43,453 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 50,507 |
| Cities by Satellite #1 | 0 | - | 4.36 | 69,580 |
| Cities by Satellite #2 | 0 | - | 4.46 | 22,601 |
| Countries by Picture #4 | 0 | - | 4.17 | 41,530 |
| Countries by Picture #2 | 0 | - | 4.37 | 63,621 |
| Countries by Picture #5 | 0 | - | 4.26 | 39,489 |
| Countries by Picture #6 | 0 | - | 4.17 | 33,379 |
| Geography by Picture - G | 0 | - | 4.41 | 45,070 |
| Geography by Picture - H | 0 | - | 4.52 | 54,827 |
| Geography by Picture - N | 0 | - | 4.46 | 39,284 |
| Geography by Picture - R | 0 | - | 4.55 | 38,334 |
| Geography by Picture - T | 0 | - | 4.64 | 54,392 |
| Flags of Oceania | 0 | - | 5.00 | 212,678 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,582 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,093 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,528 |
| Pixelated Europe Map | 0 | - | 4.90 | 108,523 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,464,745 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,807 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,517 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 337,404 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 122,156 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 103,194 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 83,786 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 45,392 |
| Satellite Images Quiz #6 | 0 | - | 4.52 | 35,311 |
| Cities by Picture #1 | 0 | - | 4.66 | 76,287 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.54 | 23,372 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,836 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 82,893 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,171 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,858 |
| World Capitals Quiz | 0 | - | 5.00 | 4,459,779 |
| Countries on the Equator | 0 | - | 4.82 | 132,533 |
| Members of the Arab League | 0 | - | 4.82 | 59,265 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,138 |
| Himalayan Countries | 0 | - | 4.95 | 102,472 |
| Andean Countries | 0 | - | 4.90 | 56,933 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,775 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,574 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,890 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,553 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,737 |
| Danube Countries | 0 | - | 4.97 | 56,363 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,404 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,596 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,340 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,782 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,393 |
| European Landlocked Countries | 0 | - | 4.99 | 114,838 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,769 |
| Countries with the Most Species | 0 | - | 4.99 | 89,083 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,831 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,438 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,815 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,762 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,119 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,454 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,691 |
| Countries in the Alps | 0 | - | 4.82 | 101,824 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,636 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,806 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,126 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,722 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,367 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,899 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,049 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,759 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,072 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,160 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,911 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,333 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,418 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,974 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,501 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,976 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,614 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,950 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,954 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,749 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,381 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,963 |
| Largest Countries By Category | 0 | - | 4.96 | 143,893 |
| Countries by Countries | 0 | - | 4.96 | 54,088 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,018,726 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,665 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,379 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,443 |
| All Countries by Population With a Map | 0 | - | 4.98 | 60,653 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 75,982 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,339 |
| Merged Countries #2 | 0 | - | 4.96 | 88,941 |
| Merged Countries #4 | 0 | - | 4.87 | 83,493 |
| Merged Countries #6 | 0 | - | 4.88 | 64,489 |
| Merged Countries #7 | 0 | - | 4.93 | 73,670 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,358 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,838 |
| Geography by Picture - A | 0 | - | 4.35 | 56,517 |
| Geography by Picture - B | 0 | - | 4.36 | 52,091 |
| Geography by Picture - D | 0 | - | 4.10 | 42,944 |
| Geography by Picture - F | 0 | - | 4.25 | 48,003 |
| Geography by Picture - J | 0 | - | 4.14 | 36,139 |
| Geography by Picture - C | 0 | - | 4.28 | 53,909 |
| Geography by Picture - L | 0 | - | 4.34 | 55,462 |
| Geography by Picture - M | 0 | - | 4.11 | 38,175 |
| Geography by Picture - P | 0 | - | 4.28 | 39,881 |
| Geography by Picture - S | 0 | - | 4.35 | 44,257 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,186 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,255 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 180,114 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,218 |
| Longest International Borders | 0 | - | 4.99 | 232,761 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,419 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,352 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 34,187 |
| Demonym of Every Country | 0 | - | 4.91 | 48,835 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,369 |
| Islands by Picture | 0 | - | 4.31 | 90,179 |
| Former Countries by Territory Map | 0 | - | 4.96 | 84,741 |
| Empires by Maps | 0 | - | 4.98 | 92,629 |
