| All Country Flags of the World | 0 | - | 5.00 | 2,963,484 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,364,050 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,001,474 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 671,113 |
| Flags with Crescents | 0 | - | 4.98 | 143,284 |
| Country Flag Trivia | 0 | - | 4.84 | 43,820 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 75,947 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 56,112 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 67,726 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.84 | 41,835 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 112,954 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 88,751 |
| Flags with the Most Stars | 0 | - | 4.91 | 105,748 |
| Flags that are Red & White Only | 0 | - | 4.97 | 130,833 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 125,484 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 35,218 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 35,385 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 43,233 |
| Country Flags with the Most Red | 0 | - | 4.97 | 91,344 |
| Country Flags with the Most Blue | 0 | - | 4.91 | 79,387 |
| Country Flags with the Most Green | 0 | - | 4.96 | 79,880 |
| Country Flags with the Most Orange | 0 | - | 4.97 | 81,314 |
| Country Flags with the Most Yellow | 0 | - | 4.93 | 77,904 |
| Country Flags with the Most Black | 0 | - | 4.94 | 86,168 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,360 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 43,863 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 81,749 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 62,713 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 48,345 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 82,033 |
| Flags to Languages | 0 | - | 4.95 | 158,423 |
| Former Flags | 0 | - | 4.98 | 81,437 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 33,570 |
| Countries by Partial Flag Images #6 | 0 | - | 4.93 | 27,131 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 309,647 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 26,662 |
| Random Flag to Country | 0 | - | 4.99 | 505,271 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 93,979 |
| Countries by Bordering Flags #2 | 0 | - | 4.87 | 75,333 |
| Flags of the Mediterranean | 0 | - | 4.93 | 123,971 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 114,460 |
| Countries by Satellite Image #1 | 0 | - | 4.87 | 129,423 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 75,748 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,393 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,229 |
| World Coats of Arms | 0 | - | 4.99 | 55,417 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 86,265 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,557 |
| Similar Flags #1 | 0 | - | 4.72 | 110,730 |
| Similar Flags #2 | 0 | - | 4.79 | 112,726 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 125,499 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 40,596 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 150,668 |
| Emoji Flags | 0 | - | 4.34 | 40,590 |
| Countries by Road Signs | 0 | - | 4.98 | 45,229 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,760 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,972 |
| Select the World Flags | 0 | - | 4.30 | 33,184 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,485 |
| Random Circular Cutouts of the World Map | 0 | - | 4.97 | 66,417 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.64 | 54,098 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,105 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,133 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,178 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 43,808 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,212 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,226 |
| Countries by Picture #1 | 0 | - | 4.51 | 89,533 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,498 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,125 |
| Name a Valid Country Flag | 0 | - | 4.55 | 47,366 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,043,905 |
| Flags of Asia Quiz | 0 | - | 4.99 | 524,131 |
| Pixelated World Map | 0 | - | 5.00 | 128,169 |
| Flags of Africa Quiz | 0 | - | 4.99 | 386,192 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 66,577 |
| Satellite Images - Europe | 0 | - | 4.44 | 81,367 |
| European Cities by Picture #2 | 0 | - | 4.47 | 34,548 |
| Boundary Waters | 0 | - | 4.93 | 81,091 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,712 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 44,668 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 51,163 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 59,882 |
| Cities by Satellite #1 | 0 | - | 4.36 | 70,388 |
| Cities by Satellite #2 | 0 | - | 4.47 | 22,743 |
| Countries by Picture #4 | 0 | - | 4.17 | 41,846 |
| Countries by Picture #2 | 0 | - | 4.37 | 64,197 |
| Countries by Picture #5 | 0 | - | 4.27 | 39,793 |
| Countries by Picture #6 | 0 | - | 4.17 | 33,617 |
| Geography by Picture - H | 0 | - | 4.52 | 55,120 |
| Geography by Picture - N | 0 | - | 4.46 | 39,523 |
| Geography by Picture - R | 0 | - | 4.55 | 38,559 |
| Geography by Picture - T | 0 | - | 4.63 | 54,686 |
| Flags of Oceania | 0 | - | 5.00 | 215,147 |
| Three Band Flags of Europe | 0 | - | 4.97 | 160,920 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,255 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,173 |
| Pixelated Europe Map | 0 | - | 4.90 | 109,406 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,898,226 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,101 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 323,433 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 350,982 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 122,610 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 103,548 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 84,308 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 45,676 |
| Satellite Images Quiz #6 | 0 | - | 4.52 | 35,557 |
| Cities by Picture #1 | 0 | - | 4.66 | 76,998 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.54 | 23,467 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,303 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 83,739 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,147 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,752 |
| World Capitals Quiz | 0 | - | 5.00 | 4,495,369 |
| Members of the Arab League | 0 | - | 4.85 | 61,769 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,815 |
| Himalayan Countries | 0 | - | 4.94 | 104,687 |
| Andean Countries | 0 | - | 4.91 | 58,038 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,977 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,287 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,634 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,012 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,260 |
| Danube Countries | 0 | - | 4.97 | 56,616 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,654 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,816 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,136 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,312 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,464 |
| European Landlocked Countries | 0 | - | 4.99 | 115,476 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,288 |
| Countries with the Most Species | 0 | - | 4.99 | 89,514 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,311 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,662 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,990 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,223 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,393 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,668 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,097 |
| Countries in the Alps | 0 | - | 4.84 | 102,571 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,256 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,983 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,542 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,197 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,899 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,503 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,577 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,114 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,292 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,612 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,382 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,562 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,645 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,432 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,913 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,420 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,906 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,299 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,345 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,929 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,748 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,250 |
| Largest Countries By Category | 0 | - | 4.96 | 144,801 |
| Countries by Countries | 0 | - | 4.96 | 54,597 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,068,161 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,327 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,666 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 44,679 |
| All Countries by Population With a Map | 0 | - | 4.99 | 61,945 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 76,698 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,129 |
| Merged Countries #2 | 0 | - | 4.96 | 89,583 |
| Merged Countries #4 | 0 | - | 4.87 | 84,249 |
| Merged Countries #6 | 0 | - | 4.89 | 65,127 |
| Merged Countries #7 | 0 | - | 4.93 | 74,276 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 134,529 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,093 |
| Geography by Picture - A | 0 | - | 4.35 | 56,805 |
| Geography by Picture - B | 0 | - | 4.36 | 52,351 |
| Geography by Picture - D | 0 | - | 4.10 | 43,131 |
| Geography by Picture - F | 0 | - | 4.25 | 48,232 |
| Geography by Picture - G | 0 | - | 4.39 | 45,297 |
| Geography by Picture - J | 0 | - | 4.14 | 36,316 |
| Geography by Picture - C | 0 | - | 4.28 | 54,157 |
| Geography by Picture - L | 0 | - | 4.34 | 55,749 |
| Geography by Picture - M | 0 | - | 4.11 | 38,331 |
| Geography by Picture - P | 0 | - | 4.28 | 40,089 |
| Geography by Picture - S | 0 | - | 4.35 | 44,495 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,642 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,488 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 181,164 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,861 |
| Longest International Borders | 0 | - | 4.99 | 234,053 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,912 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,016 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,390 |
| Demonym of Every Country | 0 | - | 4.91 | 49,483 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,540 |
| Islands by Picture | 0 | - | 4.30 | 91,737 |
| Former Countries by Territory Map | 0 | - | 4.97 | 85,661 |
