| Countries by Satellite Image #1 | 0 | - | 4.88 | 131,405 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,602 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.86 | 44,945 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,746 |
| All Country Flags of the World | 0 | - | 5.00 | 3,051,289 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,388,698 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,014,592 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 679,868 |
| Islands by Satellite Image #1 | 0 | - | 4.71 | 63,343 |
| Flags with Crescents | 0 | - | 4.98 | 146,219 |
| Country Flag Trivia | 0 | - | 4.81 | 45,223 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 77,959 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 57,514 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 43,096 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,552 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,425 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 85,010 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,258 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 36,033 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,837 |
| World Coats of Arms | 0 | - | 4.99 | 56,623 |
| Flags to Languages | 0 | - | 4.95 | 160,533 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,838 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,923 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,867 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,198 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,659 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,666 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 26,172 |
| Geography by Picture - H | 0 | - | 4.51 | 55,588 |
| Geography by Picture - N | 0 | - | 4.46 | 39,917 |
| Geography by Picture - R | 0 | - | 4.54 | 38,911 |
| Geography by Picture - T | 0 | - | 4.57 | 55,212 |
| Countries by Road Signs | 0 | - | 4.98 | 46,228 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 116,858 |
| Islands by Satellite Image #2 | 0 | - | 4.30 | 17,925 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,309 |
| Cities by Satellite #1 | 0 | - | 4.37 | 71,891 |
| Cities by Satellite #2 | 0 | - | 4.47 | 23,047 |
| Geography by Picture - A | 0 | - | 4.35 | 57,329 |
| Geography by Picture - B | 0 | - | 4.37 | 52,819 |
| Geography by Picture - D | 0 | - | 4.10 | 43,471 |
| Geography by Picture - F | 0 | - | 4.26 | 48,631 |
| Geography by Picture - G | 0 | - | 4.39 | 45,679 |
| Geography by Picture - J | 0 | - | 4.14 | 36,632 |
| Geography by Picture - C | 0 | - | 4.28 | 54,566 |
| Geography by Picture - L | 0 | - | 4.34 | 56,213 |
| Geography by Picture - M | 0 | - | 4.11 | 38,628 |
| Geography by Picture - P | 0 | - | 4.26 | 40,440 |
| Geography by Picture - S | 0 | - | 4.35 | 44,895 |
| Random Flags Quiz | 0 | - | 4.41 | 259,154 |
| Cities by Picture #1 | 0 | - | 4.70 | 78,273 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,520 |
| Countries by Picture #1 | 0 | - | 4.51 | 90,970 |
| Countries by Picture #3 | 0 | - | 4.52 | 55,205 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,958 |
| Landmarks Picture Quiz #1 | 0 | - | 4.21 | 363,327 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,065,339 |
| Flags of Asia Quiz | 0 | - | 4.99 | 534,287 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 114,861 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 90,297 |
| Flags with the Most Stars | 0 | - | 4.91 | 108,197 |
| Flags that are Red & White Only | 0 | - | 4.97 | 132,331 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 127,743 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 37,409 |
| African Island Countries | 0 | - | 4.96 | 90,993 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,521 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 44,395 |
| Pixelated World Map | 0 | - | 5.00 | 130,475 |
| Country Flags with the Most Red | 0 | - | 4.97 | 93,612 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 81,038 |
| Country Flags with the Most Green | 0 | - | 4.95 | 81,691 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 83,154 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 89,145 |
| Country Flags with the Most Black | 0 | - | 4.94 | 87,665 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 56,081 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,524 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,744 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 63,623 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 49,352 |
| Islands by Country #1 | 0 | - | 4.87 | 164,858 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 82,668 |
| Flags of Africa Quiz | 0 | - | 4.99 | 395,805 |
| Emoji Flags | 0 | - | 4.34 | 41,079 |
| Former Flags | 0 | - | 4.97 | 82,785 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 64,328 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 34,989 |
| Geography by Picture - E | 0 | - | 3.53 | 45,756 |
| Landforms by Picture | 0 | - | 4.33 | 19,168 |
| Geography by Picture - I | 0 | - | 3.97 | 37,813 |
| Geography by Picture - K | 0 | - | 4.26 | 31,359 |
| Richest Island Countries | 0 | - | 4.86 | 89,499 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 28,402 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,352 |
| Countries by Picture #2 | 0 | - | 4.37 | 65,087 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,319 |
| Countries by Picture #6 | 0 | - | 4.14 | 33,982 |
| Flags of Oceania | 0 | - | 5.00 | 220,306 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 315,670 |
| Three Band Flags of Europe | 0 | - | 4.97 | 172,883 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,839 |
| Select the World Flags | 0 | - | 4.31 | 33,842 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 124,640 |
| A-Z Cities by Pictures | 0 | - | 4.54 | 39,999 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,453 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,357 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,898 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 27,126 |
| Boundary Waters | 0 | - | 4.93 | 81,977 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,306 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 46,998 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,496 |
| Random Flag to Country | 0 | - | 4.99 | 515,429 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 95,035 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,226 |
| Flags of the Mediterranean | 0 | - | 4.93 | 125,748 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.30 | 18,413 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,715,875 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 333,828 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.51 | 23,657 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,761 |
| World Capitals Quiz | 0 | - | 5.00 | 4,570,494 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,165,640 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,224,838 |
| Geography by Picture - O | 0 | - | 4.00 | 26,637 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.83 | 87,566 |
| Islands by Shape #1 | 0 | - | 4.28 | 71,807 |
| Islands by Picture | 0 | - | 4.29 | 93,965 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,224 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,544 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,518 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,457 |
| Biggest City by Island | 0 | - | 4.57 | 46,092 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.94 | 111,526 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,406,696 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 344,802 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,240 |
| Members of the Arab League | 0 | - | 4.85 | 66,112 |
| Island Countries Quiz | 0 | - | 4.99 | 668,215 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,337 |
| Himalayan Countries | 0 | - | 4.94 | 108,277 |
| Andean Countries | 0 | - | 4.91 | 60,102 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,275 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,783 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,378 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,817 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,210 |
| Danube Countries | 0 | - | 4.96 | 57,199 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,210 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,280 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,651 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,351 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,926 |
| European Landlocked Countries | 0 | - | 4.99 | 137,004 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,760 |
| Countries with the Most Species | 0 | - | 4.99 | 89,847 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,299 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,002 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,304 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,022 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,864 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,106 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,884 |
| Countries in the Alps | 0 | - | 4.84 | 103,806 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,398 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,406 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,252 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,334 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,863 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,311 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,503 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,739 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,677 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,380 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,139 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,002 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,015 |
| Asian Island Nations | 0 | - | 4.66 | 89,464 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,541 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,632 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,208 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 52,115 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,439 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,930 |
| Similar Flags #1 | 0 | - | 4.75 | 112,538 |
| Similar Flags #2 | 0 | - | 4.78 | 114,727 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,003 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,194 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,272 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,805 |
| Largest Countries By Category | 0 | - | 4.97 | 146,352 |
| Countries by Countries | 0 | - | 4.95 | 55,552 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,487 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,180 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,107 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 77,927 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,560 |
| Biggest Countries by Area | 0 | - | 5.00 | 946,618 |
| Northernmost Countries | 0 | - | 4.99 | 330,759 |
| Islands by Country #2 | 0 | - | 4.79 | 71,660 |
