| All Country Flags of the World | 0 | - | 5.00 | 3,263,572 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 57,323 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,447,096 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,047,130 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 701,079 |
| Flags with Crescents | 0 | - | 4.98 | 154,837 |
| Country Flag Trivia | 0 | - | 4.82 | 50,081 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 93,789 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 62,030 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 76,094 |
| Flag Maths | 0 | - | 4.92 | 54,030 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 46,915 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 136,804 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 78,761 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.82 | 46,396 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 60,442 |
| World Coats of Arms | 0 | - | 4.99 | 59,376 |
| Flags to Languages | 0 | - | 4.95 | 165,302 |
| Geography by Picture - B | 0 | - | 4.41 | 53,974 |
| Geography by Picture - H | 0 | - | 4.49 | 56,727 |
| Geography by Picture - N | 0 | - | 4.43 | 40,894 |
| Geography by Picture - R | 0 | - | 4.55 | 39,782 |
| Geography by Picture - T | 0 | - | 4.54 | 56,330 |
| Countries by Road Signs | 0 | - | 4.98 | 48,898 |
| Islands by Shape #2 | 0 | - | 4.87 | 46,706 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 136,195 |
| Geography by Picture - A | 0 | - | 4.37 | 58,558 |
| Geography by Picture - D | 0 | - | 4.14 | 44,385 |
| Geography by Picture - F | 0 | - | 4.30 | 49,602 |
| Geography by Picture - G | 0 | - | 4.39 | 46,654 |
| Geography by Picture - J | 0 | - | 4.15 | 37,385 |
| Geography by Picture - K | 0 | - | 4.28 | 32,073 |
| Geography by Picture - C | 0 | - | 4.30 | 55,606 |
| Geography by Picture - L | 0 | - | 4.35 | 57,352 |
| Geography by Picture - M | 0 | - | 4.12 | 39,401 |
| Geography by Picture - P | 0 | - | 4.25 | 41,305 |
| Geography by Picture - S | 0 | - | 4.36 | 45,808 |
| Random Flags Quiz | 0 | - | 4.41 | 267,118 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 125,930 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 106,578 |
| Satellite Images Quiz #4 | 0 | - | 4.54 | 86,862 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 47,875 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 37,386 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 70,863 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 68,589 |
| Countries by Satellite Image #2 | 0 | - | 4.78 | 67,011 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 64,542 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 45,270 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 42,738 |
| Countries by Coat of Arms #2 | 0 | - | 4.75 | 33,191 |
| Countries by Picture #1 | 0 | - | 4.52 | 94,188 |
| Countries by Picture #3 | 0 | - | 4.52 | 56,814 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 44,873 |
| Emoji Flags | 0 | - | 4.35 | 42,249 |
| Satellite Images Quiz #3 | 0 | - | 4.39 | 71,929 |
| Satellite Images - Island Chains | 0 | - | 4.44 | 61,950 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 66,250 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 26,796 |
| Landmarks Picture Quiz #1 | 0 | - | 4.18 | 370,162 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,120,161 |
| Flags of Asia Quiz | 0 | - | 4.99 | 561,448 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 129,103 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 95,900 |
| Flags with the Most Stars | 0 | - | 4.91 | 114,192 |
| Flags that are Red & White Only | 0 | - | 4.96 | 136,707 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 134,111 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 44,143 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 39,923 |
| Four Countries with Similar Flags #1 | 0 | - | 4.96 | 48,020 |
| Pixelated World Map | 0 | - | 5.00 | 135,522 |
| Country Flags with the Most Red | 0 | - | 4.97 | 98,713 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 84,686 |
| Country Flags with the Most Green | 0 | - | 4.96 | 92,087 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 86,911 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 92,610 |
| Country Flags with the Most Black | 0 | - | 4.94 | 90,978 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 64,169 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 46,464 |
| Country Flags Slideshow | 0 | - | 4.90 | 42,568 |
| Countries by Partial Flag Images #2 | 0 | - | 4.96 | 86,313 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 66,916 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 52,789 |
| Countries by Partial Flag Images #6 | 0 | - | 4.91 | 32,179 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 84,566 |
| Flags of Africa Quiz | 0 | - | 5.00 | 420,060 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,403 |
| Former Flags | 0 | - | 4.98 | 100,329 |
| Country Flags With Blue Removed | 0 | - | 4.90 | 38,797 |
| Geography by Picture - E | 0 | - | 3.54 | 46,432 |
| Landforms by Picture | 0 | - | 4.35 | 19,794 |
| Geography by Picture - I | 0 | - | 3.98 | 38,491 |
| Boundary Waters | 0 | - | 4.93 | 84,669 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 32,410 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 89,999 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 53,618 |
| "Second Best" Geography Edition #2 | 0 | - | 4.85 | 55,772 |
| "Second Best" Geography Edition #3 | 0 | - | 4.88 | 65,143 |
| Cities by Satellite #1 | 0 | - | 4.37 | 75,417 |
| Cities by Satellite #2 | 0 | - | 4.48 | 23,834 |
| Countries by Picture #4 | 0 | - | 4.16 | 43,538 |
| Countries by Picture #2 | 0 | - | 4.37 | 66,994 |
| Countries by Picture #5 | 0 | - | 4.28 | 41,534 |
| Countries by Picture #6 | 0 | - | 4.15 | 34,791 |
| Flags of Oceania | 0 | - | 5.00 | 233,116 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,704 |
| Select the World Flags | 0 | - | 4.28 | 35,430 |
| Landmarks Picture Quiz #2 | 0 | - | 4.40 | 126,622 |
| Pixelated Africa Map | 0 | - | 4.98 | 92,962 |
| Pixelated Asia Map | 0 | - | 4.91 | 67,611 |
| Pixelated Europe Map | 0 | - | 4.88 | 115,132 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 28,674 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,766,557 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.62 | 56,372 |
| A-Z Cities by Pictures | 0 | - | 4.55 | 41,573 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 375,425 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 448,793 |
| Random Flag to Country | 0 | - | 4.99 | 542,891 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 97,724 |
| Countries by Bordering Flags #2 | 0 | - | 4.87 | 78,492 |
| Flags of the Mediterranean | 0 | - | 4.94 | 129,965 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 24,095 |
| World Geography on a Map #1 | 0 | - | 4.93 | 70,338 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 89,831 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 145,206 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 116,255 |
| World Capitals Quiz | 0 | - | 5.00 | 4,761,259 |
| Sahara Desert Countries | 0 | - | 4.98 | 142,222 |
| Himalayan Countries | 0 | - | 4.95 | 119,213 |
| Andean Countries | 0 | - | 4.92 | 66,852 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,373 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,803 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,435 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 58,083 |
| Danube Countries | 0 | - | 4.97 | 60,024 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,753 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,068 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,662 |
| Countries with the Worst Passports | 0 | - | 4.92 | 61,553 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 134,982 |
| European Landlocked Countries | 0 | - | 4.99 | 140,223 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,629 |
| Countries with the Most Species | 0 | - | 4.99 | 91,812 |
| Countries 197 to 205 | 0 | - | 4.87 | 62,081 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,355 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,476 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,876 |
| Countries that Use the Peso | 0 | - | 4.84 | 49,014 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,432 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,893 |
| Countries in the Alps | 0 | - | 4.86 | 109,236 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,883 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 96,144 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,788 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,695 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,719 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,229 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,165 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,186 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,471 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,110 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,221 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,797 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 38,678 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,492 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,193 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,844 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,357 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,257 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,191 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,685 |
| World Countries - Blind Typing | 0 | - | 5.00 | 83,061 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,527 |
| Largest Countries By Category | 0 | - | 4.97 | 150,217 |
| Countries by Countries | 0 | - | 4.96 | 57,848 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,345,049 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,435 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,396 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,069 |
| All Countries by Population With a Map | 0 | - | 4.98 | 90,965 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 82,174 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,032 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,420,730 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 139,901 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,150 |
| Geography by Picture - O | 0 | - | 3.98 | 27,242 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.80 | 90,357 |
| Islands by Satellite Image #2 | 0 | - | 4.33 | 18,399 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 62,866 |
| Who Controls It? #1 | 0 | - | 4.82 | 46,894 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 31,759 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 187,726 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 113,867 |
| Longest International Borders | 0 | - | 4.99 | 242,364 |
| Countries with Three Borders | 0 | - | 4.96 | 33,811 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 38,810 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 43,855 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 35,677 |
| Demonym of Every Country | 0 | - | 4.92 | 54,296 |
| Islands by Shape #1 | 0 | - | 4.28 | 72,626 |
| Islands by Picture | 0 | - | 4.29 | 99,376 |
