| All Country Flags of the World | 0 | - | 5.00 | 3,687,738 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,824 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,419 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,932 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,834 |
| Flags with Crescents | 0 | - | 4.98 | 170,526 |
| Country Flag Trivia | 0 | - | 4.81 | 57,526 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,308 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,936 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,965 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,152 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,348 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,934 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,104 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,905 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,564 |
| World Coats of Arms | 0 | - | 4.99 | 64,810 |
| Flags to Languages | 0 | - | 4.95 | 174,047 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,775 |
| Geography by Picture - B | 0 | - | 4.42 | 55,697 |
| Geography by Picture - H | 0 | - | 4.50 | 58,301 |
| Geography by Picture - N | 0 | - | 4.45 | 42,271 |
| Geography by Picture - R | 0 | - | 4.56 | 41,085 |
| Countries by Road Signs | 0 | - | 4.98 | 54,105 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,233 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,385 |
| Geography by Picture - A | 0 | - | 4.39 | 60,343 |
| Geography by Picture - D | 0 | - | 4.15 | 45,723 |
| Geography by Picture - F | 0 | - | 4.31 | 51,093 |
| Geography by Picture - G | 0 | - | 4.39 | 48,021 |
| Geography by Picture - J | 0 | - | 4.16 | 38,529 |
| Geography by Picture - K | 0 | - | 4.29 | 33,188 |
| Geography by Picture - C | 0 | - | 4.31 | 57,151 |
| Geography by Picture - L | 0 | - | 4.37 | 59,066 |
| Geography by Picture - M | 0 | - | 4.14 | 40,522 |
| Geography by Picture - P | 0 | - | 4.24 | 42,503 |
| Geography by Picture - S | 0 | - | 4.38 | 47,112 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,233 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,967 |
| Flag Maths | 0 | - | 4.64 | 57,802 |
| Satellite Images #1 | 0 | - | 4.47 | 129,522 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,436 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,020 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,043 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,058 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,255 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,244 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,593 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,297 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,373 |
| 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 | 118,858 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,940 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,059 |
| Emoji Flags | 0 | - | 4.35 | 44,186 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,469 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,703 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,006 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,871 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,117 |
| Boundary Waters | 0 | - | 4.92 | 88,625 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,297 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,377 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,892 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,710 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,683 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,418 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,573 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,129 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,690 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,915 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,599 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,832 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,933 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,866 |
| Pixelated World Map | 0 | - | 5.00 | 143,760 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,875 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,864 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,952 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,752 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,375 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,817 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,877 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,282 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,627 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,730 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,082 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,295 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,362 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,260 |
| Landforms by Picture | 0 | - | 4.31 | 20,714 |
| Geography by Picture - I | 0 | - | 4.00 | 39,485 |
| Geography by Picture - O | 0 | - | 4.01 | 28,190 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,617 |
| Former Flags | 0 | - | 4.97 | 108,103 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,063 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,709 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,684 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,860 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,294 |
| Flags of North and South America | 0 | - | 4.99 | 374,929 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,699 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,217 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,701 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,184 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,587 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,149 |
| Select the World Flags | 0 | - | 4.27 | 37,865 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,059 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,089 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,658,315 |
| Landlocked Countries | 0 | - | 4.99 | 422,943 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,078 |
| Flags of Oceania | 0 | - | 5.00 | 261,022 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,907 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,162 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,487 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,111 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,028 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,977 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,761 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,125 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,545 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,568 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,188 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,993 |
| Himalayan Countries | 0 | - | 4.95 | 139,153 |
| Andean Countries | 0 | - | 4.93 | 84,863 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,078 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,212 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,663 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,971 |
| Danube Countries | 0 | - | 4.97 | 72,128 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,179 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,532 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,519 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,022 |
| European Landlocked Countries | 0 | - | 4.99 | 147,265 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,823 |
| Countries with the Most Species | 0 | - | 4.99 | 103,342 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,951 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,646 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,765 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,612 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,355 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,778 |
| Countries in the Alps | 0 | - | 4.87 | 118,353 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,718 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,267 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,751 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,701 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,624 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,034 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,806 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,600 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,246 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,946 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,717 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,586 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,315 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,559 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,628 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,142 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,395 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,702 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,238 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,462 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,408 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,308 |
| Largest Countries By Category | 0 | - | 4.97 | 158,387 |
| Countries by Countries | 0 | - | 4.96 | 63,354 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,832 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,321 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,589 |
| Merged Country Flags | 0 | - | 4.88 | 107,054 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,931 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,121 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,591 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,780 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,405 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,006 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,355 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,792 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,887 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,942 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,853 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,584 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,532 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,982 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,256 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,364 |
| Longest International Borders | 0 | - | 4.99 | 265,376 |
| Countries with Three Borders | 0 | - | 4.96 | 36,652 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,180 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,290 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,098 |
| Demonym of Every Country | 0 | - | 4.91 | 60,905 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,437 |
| Islands by Picture | 0 | - | 4.28 | 107,371 |
