| All Country Flags of the World | 0 | - | 5.00 | 3,053,832 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,389,375 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,014,959 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 680,097 |
| Flags with Crescents | 0 | - | 4.98 | 146,308 |
| Country Flag Trivia | 0 | - | 4.81 | 45,266 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 78,023 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 57,558 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 43,145 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 114,916 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 90,340 |
| Flags with the Most Stars | 0 | - | 4.90 | 108,288 |
| Flags that are Red & White Only | 0 | - | 4.97 | 132,365 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 127,803 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 37,456 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,545 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 44,429 |
| Country Flags with the Most Red | 0 | - | 4.97 | 93,650 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 81,059 |
| Country Flags with the Most Green | 0 | - | 4.95 | 81,727 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 83,184 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 89,209 |
| Country Flags with the Most Black | 0 | - | 4.94 | 87,692 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 56,097 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,537 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,779 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 63,659 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 49,390 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 82,691 |
| Flags to Languages | 0 | - | 4.95 | 160,590 |
| Former Flags | 0 | - | 4.97 | 82,835 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 35,027 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 28,447 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 315,865 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 27,142 |
| Random Flag to Country | 0 | - | 4.99 | 515,625 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 95,070 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,246 |
| Flags of the Mediterranean | 0 | - | 4.93 | 125,809 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 116,909 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 131,490 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,629 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,957 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,855 |
| World Coats of Arms | 0 | - | 4.99 | 56,657 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.83 | 87,607 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 52,131 |
| Similar Flags #1 | 0 | - | 4.75 | 112,598 |
| Similar Flags #2 | 0 | - | 4.78 | 114,777 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 127,701 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 42,546 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 153,471 |
| Emoji Flags | 0 | - | 4.34 | 41,090 |
| Countries by Road Signs | 0 | - | 4.98 | 46,257 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,780 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,326 |
| Select the World Flags | 0 | - | 4.31 | 33,857 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,903 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 67,733 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,860 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,864 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,952 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,894 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,210 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,671 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,532 |
| Countries by Picture #1 | 0 | - | 4.51 | 91,011 |
| Countries by Picture #3 | 0 | - | 4.52 | 55,225 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,986 |
| Name a Valid Country Flag | 0 | - | 4.56 | 49,053 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,066,001 |
| Flags of Asia Quiz | 0 | - | 4.99 | 534,598 |
| Pixelated World Map | 0 | - | 5.00 | 130,525 |
| Flags of Africa Quiz | 0 | - | 4.99 | 396,089 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 68,106 |
| Satellite Images - Europe | 0 | - | 4.44 | 82,906 |
| European Cities by Picture #2 | 0 | - | 4.44 | 35,134 |
| Boundary Waters | 0 | - | 4.93 | 82,001 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,348 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 47,079 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,528 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 61,464 |
| Cities by Satellite #1 | 0 | - | 4.37 | 71,945 |
| Cities by Satellite #2 | 0 | - | 4.47 | 23,059 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,363 |
| Countries by Picture #2 | 0 | - | 4.37 | 65,107 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,340 |
| Countries by Picture #6 | 0 | - | 4.14 | 33,991 |
| Geography by Picture - H | 0 | - | 4.51 | 55,605 |
| Geography by Picture - N | 0 | - | 4.46 | 39,928 |
| Geography by Picture - R | 0 | - | 4.54 | 38,915 |
| Geography by Picture - T | 0 | - | 4.57 | 55,230 |
| Flags of Oceania | 0 | - | 5.00 | 220,472 |
| Three Band Flags of Europe | 0 | - | 4.97 | 173,709 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,481 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,394 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,939 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,739,065 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,772 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,109 |
| Save Humanity by Guessing Countries | 0 | - | 4.99 | 375,720 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,577 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,444 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 85,023 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,267 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 36,044 |
| Cities by Picture #1 | 0 | - | 4.70 | 78,303 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.51 | 23,662 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,251 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,596 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,564 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,517 |
| World Capitals Quiz | 0 | - | 5.00 | 4,573,405 |
| Members of the Arab League | 0 | - | 4.86 | 66,219 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,428 |
| Himalayan Countries | 0 | - | 4.94 | 108,361 |
| Andean Countries | 0 | - | 4.91 | 60,151 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,343 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,823 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,431 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,834 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,244 |
| Danube Countries | 0 | - | 4.96 | 57,218 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,228 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,292 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,688 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,387 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,000 |
| European Landlocked Countries | 0 | - | 4.99 | 137,034 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,793 |
| Countries with the Most Species | 0 | - | 4.99 | 89,854 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,327 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,016 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,311 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,053 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,878 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,116 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,909 |
| Countries in the Alps | 0 | - | 4.84 | 103,841 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,424 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,476 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,272 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,364 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,890 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,332 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,534 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,770 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,691 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,403 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,166 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,023 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,026 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,570 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,659 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,232 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,519 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,952 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,027 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,407 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,341 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,822 |
| Largest Countries By Category | 0 | - | 4.97 | 146,408 |
| Countries by Countries | 0 | - | 4.95 | 55,589 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,168,664 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,523 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,197 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,127 |
| All Countries by Population With a Map | 0 | - | 4.99 | 64,923 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 77,980 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,601 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,226,708 |
| Merged Countries #2 | 0 | - | 4.96 | 90,739 |
| Merged Countries #4 | 0 | - | 4.86 | 85,748 |
| Merged Countries #6 | 0 | - | 4.90 | 66,224 |
| Merged Countries #7 | 0 | - | 4.94 | 75,424 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,244 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,711 |
| Geography by Picture - A | 0 | - | 4.35 | 57,344 |
| Geography by Picture - B | 0 | - | 4.37 | 52,835 |
| Geography by Picture - D | 0 | - | 4.13 | 43,489 |
| Geography by Picture - F | 0 | - | 4.29 | 48,657 |
| Geography by Picture - G | 0 | - | 4.39 | 45,698 |
| Geography by Picture - J | 0 | - | 4.14 | 36,648 |
| Geography by Picture - C | 0 | - | 4.28 | 54,578 |
| Geography by Picture - L | 0 | - | 4.34 | 56,233 |
| Geography by Picture - M | 0 | - | 4.11 | 38,640 |
| Geography by Picture - P | 0 | - | 4.26 | 40,452 |
| Geography by Picture - S | 0 | - | 4.35 | 44,900 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,534 |
| Who Controls It? #1 | 0 | - | 4.83 | 45,868 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,094 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,843 |
| Longest International Borders | 0 | - | 4.99 | 236,595 |
| Countries with Three Borders | 0 | - | 4.96 | 32,112 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,832 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,354 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,782 |
| Demonym of Every Country | 0 | - | 4.91 | 50,788 |
| Islands by Shape #1 | 0 | - | 4.28 | 71,822 |
| Islands by Picture | 0 | - | 4.29 | 94,034 |
