| All Country Flags of the World | 0 | - | 5.00 | 3,055,650 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,389,883 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,015,245 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 680,297 |
| Flags with Crescents | 0 | - | 4.98 | 146,389 |
| Country Flag Trivia | 0 | - | 4.81 | 45,301 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 78,075 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 57,589 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 43,177 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 114,949 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 90,368 |
| Flags with the Most Stars | 0 | - | 4.90 | 108,341 |
| Flags that are Red & White Only | 0 | - | 4.97 | 132,393 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 127,843 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 37,503 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,564 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 44,448 |
| Country Flags with the Most Red | 0 | - | 4.97 | 93,680 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 81,089 |
| Country Flags with the Most Green | 0 | - | 4.95 | 81,765 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 83,212 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 89,254 |
| Country Flags with the Most Black | 0 | - | 4.94 | 87,718 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 56,110 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,553 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,801 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 63,679 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 49,411 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 82,706 |
| Flags to Languages | 0 | - | 4.95 | 160,634 |
| Former Flags | 0 | - | 4.97 | 82,857 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 35,058 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 28,477 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,016 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 27,150 |
| Random Flag to Country | 0 | - | 4.99 | 515,907 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 95,091 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,267 |
| Flags of the Mediterranean | 0 | - | 4.93 | 125,875 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 116,957 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 131,527 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,648 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,966 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,864 |
| World Coats of Arms | 0 | - | 4.99 | 56,682 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.83 | 87,634 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 52,139 |
| Similar Flags #1 | 0 | - | 4.75 | 112,629 |
| Similar Flags #2 | 0 | - | 4.78 | 114,816 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 127,755 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 42,585 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 153,535 |
| Emoji Flags | 0 | - | 4.34 | 41,100 |
| Countries by Road Signs | 0 | - | 4.98 | 46,278 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,797 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,333 |
| Select the World Flags | 0 | - | 4.31 | 33,879 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,907 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 67,763 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,872 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,883 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,979 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,907 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,221 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,682 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,544 |
| Countries by Picture #1 | 0 | - | 4.51 | 91,033 |
| Countries by Picture #3 | 0 | - | 4.52 | 55,242 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 43,005 |
| Name a Valid Country Flag | 0 | - | 4.56 | 49,088 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,066,465 |
| Flags of Asia Quiz | 0 | - | 4.99 | 534,821 |
| Pixelated World Map | 0 | - | 5.00 | 130,588 |
| Flags of Africa Quiz | 0 | - | 4.99 | 396,298 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 68,148 |
| Satellite Images - Europe | 0 | - | 4.44 | 82,947 |
| European Cities by Picture #2 | 0 | - | 4.44 | 35,144 |
| Boundary Waters | 0 | - | 4.93 | 82,013 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,379 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 47,132 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,555 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 61,494 |
| Cities by Satellite #1 | 0 | - | 4.37 | 71,980 |
| Cities by Satellite #2 | 0 | - | 4.47 | 23,067 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,375 |
| Countries by Picture #2 | 0 | - | 4.37 | 65,123 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,356 |
| Countries by Picture #6 | 0 | - | 4.14 | 33,995 |
| Geography by Picture - H | 0 | - | 4.51 | 55,613 |
| Geography by Picture - N | 0 | - | 4.46 | 39,940 |
| Geography by Picture - R | 0 | - | 4.54 | 38,928 |
| Geography by Picture - T | 0 | - | 4.56 | 55,242 |
| Flags of Oceania | 0 | - | 5.00 | 220,586 |
| Three Band Flags of Europe | 0 | - | 4.97 | 174,005 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,772 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,442 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,995 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,755,820 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,782 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,324 |
| Save Humanity by Guessing Countries | 0 | - | 4.99 | 376,255 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,588 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,459 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 85,030 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,283 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 36,051 |
| Cities by Picture #1 | 0 | - | 4.70 | 78,330 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.51 | 23,669 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,265 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,630 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,607 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,542 |
| World Capitals Quiz | 0 | - | 5.00 | 4,575,232 |
| Members of the Arab League | 0 | - | 4.86 | 66,277 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,480 |
| Himalayan Countries | 0 | - | 4.94 | 108,422 |
| Andean Countries | 0 | - | 4.91 | 60,202 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,383 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,850 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,467 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,856 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,261 |
| Danube Countries | 0 | - | 4.96 | 57,232 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,246 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,299 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,716 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,407 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,036 |
| European Landlocked Countries | 0 | - | 4.99 | 137,047 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,813 |
| Countries with the Most Species | 0 | - | 4.99 | 89,857 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,343 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,027 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,319 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,066 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,886 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,124 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,927 |
| Countries in the Alps | 0 | - | 4.84 | 103,867 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,443 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,531 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,290 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,385 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,903 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,350 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,555 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,778 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,697 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,418 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,179 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,033 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,033 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,587 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,680 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,247 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,566 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,965 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,043 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,566 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,408 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,834 |
| Largest Countries By Category | 0 | - | 4.97 | 146,441 |
| Countries by Countries | 0 | - | 4.95 | 55,607 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,170,814 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,553 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,209 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,137 |
| All Countries by Population With a Map | 0 | - | 4.99 | 64,992 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 78,008 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,623 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,228,186 |
| Merged Countries #2 | 0 | - | 4.96 | 90,758 |
| Merged Countries #4 | 0 | - | 4.86 | 85,770 |
| Merged Countries #6 | 0 | - | 4.90 | 66,249 |
| Merged Countries #7 | 0 | - | 4.94 | 75,442 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,263 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,723 |
| Geography by Picture - A | 0 | - | 4.35 | 57,350 |
| Geography by Picture - B | 0 | - | 4.37 | 52,846 |
| Geography by Picture - D | 0 | - | 4.13 | 43,499 |
| Geography by Picture - F | 0 | - | 4.29 | 48,664 |
| Geography by Picture - G | 0 | - | 4.39 | 45,712 |
| Geography by Picture - J | 0 | - | 4.14 | 36,657 |
| Geography by Picture - C | 0 | - | 4.28 | 54,590 |
| Geography by Picture - L | 0 | - | 4.34 | 56,249 |
| Geography by Picture - M | 0 | - | 4.11 | 38,652 |
| Geography by Picture - P | 0 | - | 4.26 | 40,464 |
| Geography by Picture - S | 0 | - | 4.35 | 44,911 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,547 |
| Who Controls It? #1 | 0 | - | 4.83 | 45,879 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,312 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,893 |
| Longest International Borders | 0 | - | 4.99 | 236,656 |
| Countries with Three Borders | 0 | - | 4.96 | 32,132 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,863 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,379 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,788 |
| Demonym of Every Country | 0 | - | 4.91 | 50,816 |
| Islands by Shape #1 | 0 | - | 4.28 | 71,829 |
| Islands by Picture | 0 | - | 4.29 | 94,081 |
