| All Country Flags of the World | 0 | - | 5.00 | 3,688,142 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,831 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,483 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,972 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,863 |
| Flags with Crescents | 0 | - | 4.98 | 170,546 |
| Country Flag Trivia | 0 | - | 4.81 | 57,534 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,320 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,946 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,975 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,162 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,366 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,938 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,109 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,910 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,564 |
| World Coats of Arms | 0 | - | 4.99 | 64,811 |
| Flags to Languages | 0 | - | 4.95 | 174,056 |
| Geography by Picture - B | 0 | - | 4.42 | 55,698 |
| Geography by Picture - H | 0 | - | 4.50 | 58,301 |
| Geography by Picture - N | 0 | - | 4.45 | 42,275 |
| Geography by Picture - R | 0 | - | 4.56 | 41,087 |
| Geography by Picture - T | 0 | - | 4.54 | 57,921 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,238 |
| Countries by Road Signs | 0 | - | 4.98 | 54,108 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,388 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,975 |
| Geography by Picture - A | 0 | - | 4.39 | 60,345 |
| Geography by Picture - D | 0 | - | 4.15 | 45,723 |
| Geography by Picture - F | 0 | - | 4.31 | 51,095 |
| Geography by Picture - G | 0 | - | 4.39 | 48,023 |
| Geography by Picture - J | 0 | - | 4.16 | 38,531 |
| Geography by Picture - K | 0 | - | 4.29 | 33,190 |
| Geography by Picture - C | 0 | - | 4.31 | 57,152 |
| Geography by Picture - L | 0 | - | 4.37 | 59,066 |
| Geography by Picture - M | 0 | - | 4.14 | 40,523 |
| Geography by Picture - P | 0 | - | 4.24 | 42,504 |
| Geography by Picture - S | 0 | - | 4.38 | 47,112 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,251 |
| Flag Maths | 0 | - | 4.64 | 57,802 |
| Satellite Images #1 | 0 | - | 4.47 | 129,525 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,438 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,022 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,046 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,061 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,246 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,597 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,302 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,374 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,025 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,607 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,873 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,943 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,065 |
| Emoji Flags | 0 | - | 4.35 | 44,187 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,471 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,706 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,010 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,871 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,128 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,778 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,918 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,427 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,579 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,145 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,695 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,924 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,608 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,841 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,939 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,879 |
| Pixelated World Map | 0 | - | 5.00 | 143,763 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,886 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,881 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,960 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,764 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,385 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,833 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,883 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,285 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,630 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,734 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,084 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,301 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,370 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,271 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,619 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,339 |
| Flags of North and South America | 0 | - | 4.99 | 374,960 |
| Former Flags | 0 | - | 4.97 | 108,106 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,066 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,717 |
| Geography by Picture - E | 0 | - | 3.55 | 47,443 |
| Landforms by Picture | 0 | - | 4.31 | 20,715 |
| Geography by Picture - I | 0 | - | 4.00 | 39,486 |
| Geography by Picture - O | 0 | - | 4.01 | 28,191 |
| Boundary Waters | 0 | - | 4.92 | 88,627 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,299 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,381 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,903 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,717 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,687 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,707 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,219 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,704 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,188 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,588 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,150 |
| Flags of Oceania | 0 | - | 5.00 | 261,043 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,923 |
| Select the World Flags | 0 | - | 4.27 | 37,869 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,060 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,167 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,493 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,122 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,092 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,661,862 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,031 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,978 |
| Landlocked Countries | 0 | - | 4.99 | 422,989 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,219 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,640 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,010 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,356 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,948 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,853 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,764 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,129 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,561 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,573 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,469 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,011 |
| Himalayan Countries | 0 | - | 4.95 | 139,174 |
| Andean Countries | 0 | - | 4.93 | 84,871 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,087 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,226 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,671 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,975 |
| Danube Countries | 0 | - | 4.97 | 72,131 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,184 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,537 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,526 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,037 |
| European Landlocked Countries | 0 | - | 4.99 | 147,272 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,834 |
| Countries with the Most Species | 0 | - | 4.99 | 103,343 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,959 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,646 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,766 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,615 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,364 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,781 |
| Countries in the Alps | 0 | - | 4.87 | 118,360 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,740 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,280 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,753 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,711 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,631 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,038 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,812 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,603 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,248 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,952 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,719 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,587 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,320 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,561 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,633 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,154 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,399 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,723 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,244 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,487 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,419 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,308 |
| Largest Countries By Category | 0 | - | 4.97 | 158,393 |
| Countries by Countries | 0 | - | 4.96 | 63,359 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,838 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,323 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,592 |
| Merged Country Flags | 0 | - | 4.88 | 107,056 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,951 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,124 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,791 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,698 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,800 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,893 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,217 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,587 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,535 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,983 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,268 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,368 |
| Longest International Borders | 0 | - | 4.99 | 265,383 |
| Countries with Three Borders | 0 | - | 4.96 | 36,654 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,184 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,295 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,099 |
| Demonym of Every Country | 0 | - | 4.91 | 60,917 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,438 |