| All Country Flags of the World | 0 | - | 5.00 | 3,053,096 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,389,168 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,014,839 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 680,025 |
| Flags with Crescents | 0 | - | 4.98 | 146,285 |
| Country Flag Trivia | 0 | - | 4.81 | 45,255 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 78,003 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 57,546 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 43,127 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 114,903 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 90,327 |
| Flags with the Most Stars | 0 | - | 4.90 | 108,262 |
| Flags that are Red & White Only | 0 | - | 4.97 | 132,353 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 127,784 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 37,439 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,538 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 44,416 |
| Country Flags with the Most Red | 0 | - | 4.97 | 93,639 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 81,051 |
| Country Flags with the Most Green | 0 | - | 4.95 | 81,713 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 83,173 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 89,186 |
| Country Flags with the Most Black | 0 | - | 4.94 | 87,682 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 56,093 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,533 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,772 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 63,650 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 49,381 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 82,683 |
| Flags to Languages | 0 | - | 4.95 | 160,574 |
| Former Flags | 0 | - | 4.97 | 82,817 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 35,015 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 28,436 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 315,807 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 27,136 |
| Random Flag to Country | 0 | - | 4.99 | 515,540 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 95,061 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,241 |
| Flags of the Mediterranean | 0 | - | 4.93 | 125,789 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 116,896 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 131,472 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,622 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,956 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,851 |
| World Coats of Arms | 0 | - | 4.99 | 56,648 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.83 | 87,596 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 52,127 |
| Similar Flags #1 | 0 | - | 4.75 | 112,580 |
| Similar Flags #2 | 0 | - | 4.78 | 114,766 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 127,679 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 42,534 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 153,448 |
| Emoji Flags | 0 | - | 4.34 | 41,086 |
| Countries by Road Signs | 0 | - | 4.98 | 46,248 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,768 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,320 |
| Select the World Flags | 0 | - | 4.31 | 33,853 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,899 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 67,720 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,852 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,859 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,942 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,891 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,208 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,669 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,530 |
| Countries by Picture #1 | 0 | - | 4.51 | 91,000 |
| Countries by Picture #3 | 0 | - | 4.52 | 55,221 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,979 |
| Name a Valid Country Flag | 0 | - | 4.56 | 49,039 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,065,834 |
| Flags of Asia Quiz | 0 | - | 4.99 | 534,502 |
| Pixelated World Map | 0 | - | 5.00 | 130,514 |
| Flags of Africa Quiz | 0 | - | 4.99 | 395,990 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 68,101 |
| Satellite Images - Europe | 0 | - | 4.44 | 82,893 |
| European Cities by Picture #2 | 0 | - | 4.44 | 35,130 |
| Boundary Waters | 0 | - | 4.93 | 81,994 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,335 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 47,055 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,522 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 61,448 |
| Cities by Satellite #1 | 0 | - | 4.37 | 71,927 |
| Cities by Satellite #2 | 0 | - | 4.47 | 23,056 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,358 |
| Countries by Picture #2 | 0 | - | 4.37 | 65,101 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,336 |
| Countries by Picture #6 | 0 | - | 4.14 | 33,989 |
| Geography by Picture - H | 0 | - | 4.51 | 55,603 |
| Geography by Picture - N | 0 | - | 4.46 | 39,922 |
| Geography by Picture - R | 0 | - | 4.54 | 38,915 |
| Geography by Picture - T | 0 | - | 4.57 | 55,227 |
| Flags of Oceania | 0 | - | 5.00 | 220,422 |
| Three Band Flags of Europe | 0 | - | 4.97 | 173,518 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,472 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,382 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,925 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,732,535 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,771 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,030 |
| Save Humanity by Guessing Countries | 0 | - | 4.99 | 375,485 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,573 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,437 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 85,018 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,263 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 36,040 |
| Cities by Picture #1 | 0 | - | 4.70 | 78,296 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.51 | 23,660 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,242 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,583 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,550 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,496 |
| World Capitals Quiz | 0 | - | 5.00 | 4,572,569 |
| Members of the Arab League | 0 | - | 4.86 | 66,191 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,402 |
| Himalayan Countries | 0 | - | 4.94 | 108,337 |
| Andean Countries | 0 | - | 4.91 | 60,135 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,326 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,814 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,420 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,831 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,235 |
| Danube Countries | 0 | - | 4.96 | 57,211 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,221 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,287 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,676 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,374 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,986 |
| European Landlocked Countries | 0 | - | 4.99 | 137,023 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,785 |
| Countries with the Most Species | 0 | - | 4.99 | 89,852 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,325 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,012 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,311 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,044 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,875 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,113 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,901 |
| Countries in the Alps | 0 | - | 4.84 | 103,831 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,415 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,461 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,269 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,352 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,883 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,330 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,522 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,765 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,684 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,400 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,159 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,017 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,021 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,559 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,648 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,223 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,495 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,947 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,016 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,346 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,319 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,820 |
| Largest Countries By Category | 0 | - | 4.97 | 146,399 |
| Countries by Countries | 0 | - | 4.95 | 55,577 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,167,654 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,513 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,195 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,121 |
| All Countries by Population With a Map | 0 | - | 4.99 | 64,884 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 77,961 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,586 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,226,168 |
| Merged Countries #2 | 0 | - | 4.96 | 90,730 |
| Merged Countries #4 | 0 | - | 4.86 | 85,739 |
| Merged Countries #6 | 0 | - | 4.90 | 66,218 |
| Merged Countries #7 | 0 | - | 4.94 | 75,418 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,233 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,710 |
| Geography by Picture - A | 0 | - | 4.35 | 57,341 |
| Geography by Picture - B | 0 | - | 4.37 | 52,834 |
| Geography by Picture - D | 0 | - | 4.13 | 43,487 |
| Geography by Picture - F | 0 | - | 4.29 | 48,651 |
| Geography by Picture - G | 0 | - | 4.39 | 45,696 |
| Geography by Picture - J | 0 | - | 4.14 | 36,646 |
| Geography by Picture - C | 0 | - | 4.28 | 54,576 |
| Geography by Picture - L | 0 | - | 4.34 | 56,231 |
| Geography by Picture - M | 0 | - | 4.11 | 38,640 |
| Geography by Picture - P | 0 | - | 4.26 | 40,451 |
| Geography by Picture - S | 0 | - | 4.35 | 44,899 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,529 |
| Who Controls It? #1 | 0 | - | 4.83 | 45,865 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,073 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,833 |
| Longest International Borders | 0 | - | 4.99 | 236,580 |
| Countries with Three Borders | 0 | - | 4.96 | 32,106 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,827 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,344 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,778 |
| Demonym of Every Country | 0 | - | 4.91 | 50,780 |
| Islands by Shape #1 | 0 | - | 4.28 | 71,821 |
| Islands by Picture | 0 | - | 4.29 | 94,014 |
