| All Country Flags of the World | 0 | - | 5.00 | 3,011,632 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,377,782 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,008,752 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 675,968 |
| Flags with Crescents | 0 | - | 4.98 | 144,941 |
| Country Flag Trivia | 0 | - | 4.81 | 44,599 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 77,059 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 56,889 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.85 | 42,541 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 113,919 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 89,544 |
| Flags with the Most Stars | 0 | - | 4.91 | 106,862 |
| Flags that are Red & White Only | 0 | - | 4.97 | 131,497 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 126,698 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 36,345 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 35,961 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 43,793 |
| Country Flags with the Most Red | 0 | - | 4.97 | 92,259 |
| Country Flags with the Most Blue | 0 | - | 4.91 | 80,010 |
| Country Flags with the Most Green | 0 | - | 4.96 | 80,612 |
| Country Flags with the Most Orange | 0 | - | 4.97 | 81,970 |
| Country Flags with the Most Yellow | 0 | - | 4.93 | 78,484 |
| Country Flags with the Most Black | 0 | - | 4.94 | 86,734 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,740 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,242 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,279 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 63,202 |
| Countries by Partial Flag Images #5 | 0 | - | 4.97 | 48,880 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 82,399 |
| Flags to Languages | 0 | - | 4.95 | 159,695 |
| Former Flags | 0 | - | 4.98 | 82,209 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 34,378 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 27,809 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 312,838 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 26,910 |
| Random Flag to Country | 0 | - | 4.99 | 510,912 |
| Countries by Bordering Flags #1 | 0 | - | 4.93 | 94,565 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 75,840 |
| Flags of the Mediterranean | 0 | - | 4.94 | 124,924 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 115,761 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 130,565 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,243 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.86 | 44,713 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,572 |
| World Coats of Arms | 0 | - | 4.99 | 56,083 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 87,005 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,853 |
| Similar Flags #1 | 0 | - | 4.74 | 111,622 |
| Similar Flags #2 | 0 | - | 4.79 | 113,779 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 126,760 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 41,700 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 152,216 |
| Emoji Flags | 0 | - | 4.34 | 40,877 |
| Countries by Road Signs | 0 | - | 4.98 | 45,777 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,344 |
| Islands by Shape #2 | 0 | - | 4.86 | 45,155 |
| Select the World Flags | 0 | - | 4.31 | 33,552 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,683 |
| Random Circular Cutouts of the World Map | 0 | - | 4.97 | 67,101 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,539 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,500 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,591 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,553 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,036 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,458 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,392 |
| Countries by Picture #1 | 0 | - | 4.51 | 90,190 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,850 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,578 |
| Name a Valid Country Flag | 0 | - | 4.55 | 48,291 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,055,742 |
| Flags of Asia Quiz | 0 | - | 4.99 | 529,581 |
| Pixelated World Map | 0 | - | 5.00 | 129,330 |
| Flags of Africa Quiz | 0 | - | 4.99 | 391,521 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 67,419 |
| Satellite Images - Europe | 0 | - | 4.44 | 82,233 |
| European Cities by Picture #2 | 0 | - | 4.47 | 34,843 |
| Boundary Waters | 0 | - | 4.93 | 81,548 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,730 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 46,073 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 51,997 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 60,812 |
| Cities by Satellite #1 | 0 | - | 4.37 | 71,215 |
| Cities by Satellite #2 | 0 | - | 4.47 | 22,910 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,107 |
| Countries by Picture #2 | 0 | - | 4.37 | 64,647 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,073 |
| Countries by Picture #6 | 0 | - | 4.14 | 33,811 |
| Geography by Picture - H | 0 | - | 4.52 | 55,381 |
| Geography by Picture - N | 0 | - | 4.46 | 39,734 |
| Geography by Picture - R | 0 | - | 4.54 | 38,755 |
| Geography by Picture - T | 0 | - | 4.63 | 54,982 |
| Flags of Oceania | 0 | - | 5.00 | 218,055 |
| Three Band Flags of Europe | 0 | - | 4.97 | 162,348 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,900 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,857 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,268 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,353,064 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,558 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 329,508 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 365,673 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,256 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,172 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 84,788 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,053 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 35,850 |
| Cities by Picture #1 | 0 | - | 4.66 | 77,704 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 23,584 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,832 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 84,520 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,582 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,635 |
| World Capitals Quiz | 0 | - | 5.00 | 4,534,633 |
| Members of the Arab League | 0 | - | 4.85 | 64,419 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,785 |
| Himalayan Countries | 0 | - | 4.95 | 106,715 |
| Andean Countries | 0 | - | 4.91 | 59,344 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,401 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,195 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,566 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,491 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,808 |
| Danube Countries | 0 | - | 4.96 | 56,962 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,984 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,096 |
| Countries with the Best Passports | 0 | - | 4.87 | 71,984 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,914 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,184 |
| European Landlocked Countries | 0 | - | 4.99 | 136,269 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,142 |
| Countries with the Most Species | 0 | - | 4.99 | 89,685 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,834 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,861 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,156 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,682 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,652 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,915 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,520 |
| Countries in the Alps | 0 | - | 4.84 | 103,271 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,891 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,309 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,934 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,985 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,451 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,967 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,101 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,478 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,512 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,055 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,820 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,794 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,848 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,161 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,333 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,896 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,314 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,655 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,718 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,266 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,061 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,562 |
| Largest Countries By Category | 0 | - | 4.97 | 145,704 |
| Countries by Countries | 0 | - | 4.96 | 55,116 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,121,910 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,352 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,957 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,910 |
| All Countries by Population With a Map | 0 | - | 4.99 | 63,491 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 77,371 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,907 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,191,807 |
| Merged Countries #2 | 0 | - | 4.96 | 90,224 |
| Merged Countries #4 | 0 | - | 4.87 | 85,076 |
| Merged Countries #6 | 0 | - | 4.90 | 65,738 |
| Merged Countries #7 | 0 | - | 4.94 | 74,915 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 135,284 |
| Western Europe Map Quiz | 0 | - | 4.86 | 89,344 |
| Geography by Picture - A | 0 | - | 4.35 | 57,088 |
| Geography by Picture - B | 0 | - | 4.36 | 52,605 |
| Geography by Picture - D | 0 | - | 4.10 | 43,320 |
| Geography by Picture - F | 0 | - | 4.25 | 48,447 |
| Geography by Picture - G | 0 | - | 4.39 | 45,507 |
| Geography by Picture - J | 0 | - | 4.14 | 36,488 |
| Geography by Picture - C | 0 | - | 4.28 | 54,373 |
| Geography by Picture - L | 0 | - | 4.34 | 56,011 |
| Geography by Picture - M | 0 | - | 4.11 | 38,483 |
| Geography by Picture - P | 0 | - | 4.28 | 40,276 |
| Geography by Picture - S | 0 | - | 4.35 | 44,718 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,128 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,679 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 182,217 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,495 |
| Longest International Borders | 0 | - | 4.99 | 235,211 |
| Countries with Three Borders | 0 | - | 4.96 | 31,781 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,384 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,730 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,599 |
| Demonym of Every Country | 0 | - | 4.90 | 50,191 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,678 |
| Islands by Picture | 0 | - | 4.30 | 92,966 |
