| All Country Flags of the World | 0 | - | 5.00 | 3,728,947 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,500 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,641 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,376 |
| Flags with Crescents | 0 | - | 4.98 | 171,869 |
| Country Flag Trivia | 0 | - | 4.82 | 58,382 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,259 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,703 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,008 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,173 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,233 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,687 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,734 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,729 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,328 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,417 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,900 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,696 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 78,014 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,629 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,565 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,625 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,511 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,556 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,356 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,942 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,353 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,223 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,584 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,055 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,230 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,604 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,845 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,926 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,906 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,881 |
| Flags of North and South America | 0 | - | 4.99 | 378,470 |
| Flags to Languages | 0 | - | 4.95 | 174,753 |
| Former Flags | 0 | - | 4.97 | 108,885 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,330 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,185 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,139 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,295 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,966 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,443 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,720 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,593 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,779 |
| Flag Maths | 0 | - | 4.61 | 57,871 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,141 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,305 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,359 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,153 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,698 |
| World Coats of Arms | 0 | - | 4.99 | 65,371 |
| Similar Flags #1 | 0 | - | 4.75 | 131,008 |
| Similar Flags #2 | 0 | - | 4.74 | 138,295 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,875 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,042 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,068 |
| Emoji Flags | 0 | - | 4.35 | 44,343 |
| Countries by Road Signs | 0 | - | 4.98 | 54,498 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,325 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,618 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,777 |
| Select the World Flags | 0 | - | 4.28 | 38,062 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,695 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,248 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,859 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,571 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,614 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,201 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,775 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,595 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,139 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,292 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,213 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,445 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,404 |
| Pixelated World Map | 0 | - | 5.00 | 144,756 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,608 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,861 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,383 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,486 |
| Boundary Waters | 0 | - | 4.92 | 88,871 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,490 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,902 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,637 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,104 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,124 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,743 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,490 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,852 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,473 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,765 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,269 |
| Geography by Picture - B | 0 | - | 4.42 | 55,843 |
| Geography by Picture - H | 0 | - | 4.50 | 58,445 |
| Geography by Picture - N | 0 | - | 4.45 | 42,409 |
| Geography by Picture - R | 0 | - | 4.56 | 41,207 |
| Geography by Picture - T | 0 | - | 4.54 | 58,063 |
| Flags of Oceania | 0 | - | 5.00 | 263,697 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,962 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,717 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,020 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,967 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,720 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,006,127 |
| Flags of WW1 | 0 | - | 4.60 | 38,799 |
| Landlocked Countries | 0 | - | 4.99 | 427,697 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,195 |
| Satellite Images #1 | 0 | - | 4.46 | 130,148 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,002 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,496 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,340 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,296 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,720 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,916 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,019 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,564 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,234 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,256 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,022 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,128 |
| Himalayan Countries | 0 | - | 4.93 | 141,013 |
| Andean Countries | 0 | - | 4.94 | 85,897 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,008 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,624 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,551 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,761 |
| Danube Countries | 0 | - | 4.97 | 72,607 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,872 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,021 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,527 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,012 |
| European Landlocked Countries | 0 | - | 4.99 | 147,820 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,606 |
| Countries with the Most Species | 0 | - | 4.99 | 103,672 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,711 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,833 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,975 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,960 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,708 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,176 |
| Countries in the Alps | 0 | - | 4.87 | 119,048 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,119 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,255 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,091 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,220 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,192 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,425 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,644 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,033 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,538 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,350 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,977 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,851 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,707 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,962 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,064 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,256 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,768 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,773 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,904 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,562 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,633 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,642 |
| Largest Countries By Category | 0 | - | 4.97 | 159,189 |
| Countries by Countries | 0 | - | 4.97 | 63,853 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,520 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,458 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,717 |
| Merged Country Flags | 0 | - | 4.88 | 107,553 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,621 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,602 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,281 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,290 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,555 |
| Merged Countries #2 | 0 | - | 4.96 | 100,008 |
| Merged Countries #4 | 0 | - | 4.81 | 94,223 |
| Merged Countries #6 | 0 | - | 4.90 | 73,934 |
| Merged Countries #7 | 0 | - | 4.93 | 83,284 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,627 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,034 |
| Geography by Picture - A | 0 | - | 4.39 | 60,503 |
| Geography by Picture - D | 0 | - | 4.15 | 45,835 |
| Geography by Picture - F | 0 | - | 4.31 | 51,246 |
| Geography by Picture - G | 0 | - | 4.39 | 48,137 |
| Geography by Picture - J | 0 | - | 4.16 | 38,648 |
| Geography by Picture - K | 0 | - | 4.29 | 33,304 |
| Geography by Picture - C | 0 | - | 4.31 | 57,298 |
| Geography by Picture - L | 0 | - | 4.37 | 59,195 |
| Geography by Picture - M | 0 | - | 4.14 | 40,637 |
| Geography by Picture - P | 0 | - | 4.24 | 42,618 |
| Geography by Picture - S | 0 | - | 4.38 | 47,224 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,925 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,670 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,290 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,539 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,695 |
