| All Country Flags of the World | 0 | - | 5.00 | 2,911,974 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,347,181 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 992,701 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 665,312 |
| Flags with Crescents | 0 | - | 4.98 | 141,200 |
| Country Flag Trivia | 0 | - | 4.86 | 42,666 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 74,432 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 54,894 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 40,931 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 111,732 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 87,676 |
| Flags with the Most Stars | 0 | - | 4.90 | 104,396 |
| Flags that are Red & White Only | 0 | - | 4.97 | 129,941 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 123,529 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 33,771 |
| Four Countries with Similar Flags #2 | 0 | - | 4.88 | 34,648 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 42,417 |
| Country Flags with the Most Red | 0 | - | 4.97 | 89,442 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 77,956 |
| Country Flags with the Most Green | 0 | - | 4.95 | 78,120 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 79,737 |
| Country Flags with the Most Yellow | 0 | - | 4.92 | 76,546 |
| Country Flags with the Most Black | 0 | - | 4.94 | 84,807 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 54,861 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 43,437 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 81,085 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 62,117 |
| Countries by Partial Flag Images #5 | 0 | - | 4.97 | 47,708 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 81,550 |
| Flags to Languages | 0 | - | 4.95 | 134,155 |
| Former Flags | 0 | - | 4.98 | 80,524 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 32,596 |
| Countries by Partial Flag Images #6 | 0 | - | 4.92 | 26,316 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 305,963 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 25,744 |
| Random Flag to Country | 0 | - | 4.99 | 498,588 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 93,249 |
| Countries by Bordering Flags #2 | 0 | - | 4.89 | 74,785 |
| Flags of the Mediterranean | 0 | - | 4.94 | 122,855 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 113,211 |
| Countries by Satellite Image #1 | 0 | - | 4.87 | 127,988 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 75,168 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,053 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 57,753 |
| World Coats of Arms | 0 | - | 4.99 | 54,751 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 85,448 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,179 |
| Similar Flags #1 | 0 | - | 4.72 | 109,725 |
| Similar Flags #2 | 0 | - | 4.79 | 111,492 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 124,082 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 39,259 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 148,653 |
| Emoji Flags | 0 | - | 4.34 | 40,248 |
| Countries by Road Signs | 0 | - | 4.98 | 44,602 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,088 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,731 |
| Select the World Flags | 0 | - | 4.29 | 32,742 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,252 |
| Random Circular Cutouts of the World Map | 0 | - | 4.97 | 65,546 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.64 | 53,605 |
| Countries by Satellite Image #3 | 0 | - | 4.66 | 65,621 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 63,631 |
| Countries by Satellite Image #4 | 0 | - | 4.72 | 61,723 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 43,504 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.76 | 40,948 |
| Countries by Coat of Arms #2 | 0 | - | 4.76 | 32,041 |
| Countries by Picture #1 | 0 | - | 4.51 | 88,315 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,013 |
| Guess the Country by a Picture Hint | 0 | - | 4.41 | 41,547 |
| Name a Valid Country Flag | 0 | - | 4.57 | 45,334 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,030,760 |
| Flags of Asia Quiz | 0 | - | 4.99 | 517,973 |
| Pixelated World Map | 0 | - | 5.00 | 126,771 |
| Flags of Africa Quiz | 0 | - | 4.99 | 380,211 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.41 | 65,560 |
| Satellite Images - Europe | 0 | - | 4.44 | 80,378 |
| European Cities by Picture #2 | 0 | - | 4.47 | 34,203 |
| Boundary Waters | 0 | - | 4.93 | 80,407 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,689 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 43,250 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 50,401 |
| Cities by Satellite #1 | 0 | - | 4.36 | 69,422 |
| Cities by Satellite #2 | 0 | - | 4.46 | 22,580 |
| Countries by Picture #4 | 0 | - | 4.17 | 41,482 |
| Countries by Picture #2 | 0 | - | 4.37 | 63,537 |
| Countries by Picture #5 | 0 | - | 4.26 | 39,442 |
| Countries by Picture #6 | 0 | - | 4.17 | 33,348 |
| Geography by Picture - G | 0 | - | 4.41 | 45,023 |
| Geography by Picture - H | 0 | - | 4.52 | 54,780 |
| Geography by Picture - N | 0 | - | 4.46 | 39,235 |
| Geography by Picture - R | 0 | - | 4.55 | 38,293 |
| Geography by Picture - T | 0 | - | 4.64 | 54,347 |
| Flags of Oceania | 0 | - | 5.00 | 212,269 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,368 |
| Pixelated Africa Map | 0 | - | 4.98 | 86,969 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,411 |
| Pixelated Europe Map | 0 | - | 4.89 | 108,379 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,384,268 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,753 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,549 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 335,021 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 122,085 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 103,146 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 83,732 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 45,332 |
| Satellite Images Quiz #6 | 0 | - | 4.52 | 35,276 |
| Cities by Picture #1 | 0 | - | 4.66 | 76,171 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.54 | 23,352 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,754 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 82,745 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,017 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,711 |
| World Capitals Quiz | 0 | - | 5.00 | 4,452,665 |
| Countries on the Equator | 0 | - | 4.82 | 131,804 |
| Members of the Arab League | 0 | - | 4.81 | 58,835 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,908 |
| Himalayan Countries | 0 | - | 4.95 | 102,207 |
| Andean Countries | 0 | - | 4.90 | 56,761 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,586 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,493 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,789 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,456 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,647 |
| Danube Countries | 0 | - | 4.97 | 56,322 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,343 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,554 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,183 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,697 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,157 |
| European Landlocked Countries | 0 | - | 4.99 | 114,788 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,651 |
| Countries with the Most Species | 0 | - | 4.99 | 89,056 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,711 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,402 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,774 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,689 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,063 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,414 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,606 |
| Countries in the Alps | 0 | - | 4.82 | 101,618 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,515 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,585 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,069 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,630 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,268 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,791 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 88,970 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,696 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,022 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,076 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,841 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,301 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,373 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,866 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,430 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,896 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,367 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,892 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,885 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,125 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,096 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,900 |
| Largest Countries By Category | 0 | - | 4.96 | 143,729 |
| Countries by Countries | 0 | - | 4.96 | 53,972 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,009,082 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,512 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,323 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,401 |
| All Countries by Population With a Map | 0 | - | 4.98 | 60,386 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 75,844 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,195 |
| Merged Countries #2 | 0 | - | 4.96 | 88,823 |
| Merged Countries #4 | 0 | - | 4.87 | 83,390 |
| Merged Countries #6 | 0 | - | 4.88 | 64,399 |
| Merged Countries #7 | 0 | - | 4.93 | 73,583 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,223 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,780 |
| Geography by Picture - A | 0 | - | 4.35 | 56,461 |
| Geography by Picture - B | 0 | - | 4.36 | 52,039 |
| Geography by Picture - D | 0 | - | 4.10 | 42,899 |
| Geography by Picture - F | 0 | - | 4.25 | 47,956 |
| Geography by Picture - J | 0 | - | 4.14 | 36,110 |
| Geography by Picture - C | 0 | - | 4.28 | 53,853 |
| Geography by Picture - L | 0 | - | 4.34 | 55,400 |
| Geography by Picture - M | 0 | - | 4.11 | 38,145 |
| Geography by Picture - P | 0 | - | 4.28 | 39,845 |
| Geography by Picture - S | 0 | - | 4.35 | 44,217 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,096 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,215 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 179,921 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,142 |
| Longest International Borders | 0 | - | 4.99 | 232,557 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,329 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,231 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 34,167 |
| Demonym of Every Country | 0 | - | 4.91 | 48,709 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,339 |
| Islands by Picture | 0 | - | 4.31 | 89,894 |
| Former Countries by Territory Map | 0 | - | 4.96 | 84,602 |
| Empires by Maps | 0 | - | 4.98 | 92,335 |
