| All Country Flags of the World | 0 | - | 5.00 | 3,712,216 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,755 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,072 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,360 |
| Flags with Crescents | 0 | - | 4.98 | 171,305 |
| Country Flag Trivia | 0 | - | 4.81 | 57,999 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,870 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,413 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,571 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,931 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,958 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,471 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,314 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,294 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,857 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,173 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,582 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,288 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,612 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,370 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,312 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,321 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,258 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,331 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,122 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,726 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,127 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,085 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,483 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,917 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,054 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,400 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,641 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,723 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,679 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,786 |
| Flags of North and South America | 0 | - | 4.99 | 376,851 |
| Flags to Languages | 0 | - | 4.95 | 174,493 |
| Former Flags | 0 | - | 4.97 | 108,561 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,224 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,016 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,001 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,220 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,724 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,250 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,580 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,321 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,405 |
| Flag Maths | 0 | - | 4.61 | 57,836 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,835 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,170 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,250 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,052 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,640 |
| World Coats of Arms | 0 | - | 4.99 | 65,116 |
| Similar Flags #1 | 0 | - | 4.75 | 130,753 |
| Similar Flags #2 | 0 | - | 4.74 | 138,045 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,544 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,844 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,686 |
| Emoji Flags | 0 | - | 4.35 | 44,283 |
| Countries by Road Signs | 0 | - | 4.98 | 54,336 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,095 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,521 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,315 |
| Select the World Flags | 0 | - | 4.28 | 37,987 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,535 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,160 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,772 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,476 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,525 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,119 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,697 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,392 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,056 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,208 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,988 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,624 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,067 |
| Pixelated World Map | 0 | - | 5.00 | 144,089 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,357 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,663 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,173 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,414 |
| Boundary Waters | 0 | - | 4.92 | 88,757 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,407 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,687 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,329 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,948 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,950 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,374 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,397 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,792 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,361 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,687 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,221 |
| Geography by Picture - B | 0 | - | 4.42 | 55,778 |
| Geography by Picture - H | 0 | - | 4.50 | 58,376 |
| Geography by Picture - N | 0 | - | 4.45 | 42,334 |
| Geography by Picture - R | 0 | - | 4.56 | 41,142 |
| Geography by Picture - T | 0 | - | 4.54 | 57,995 |
| Flags of Oceania | 0 | - | 5.00 | 262,608 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,546 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,440 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,439 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,761 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,458 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,866,655 |
| Flags of WW1 | 0 | - | 4.60 | 38,680 |
| Landlocked Countries | 0 | - | 4.99 | 425,634 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 587,905 |
| Satellite Images #1 | 0 | - | 4.46 | 129,957 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,655 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,205 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,209 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,186 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,562 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,893 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,917 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,381 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,957 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,986 |
| World Capitals Quiz | 0 | - | 5.00 | 5,105,062 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,158 |
| Himalayan Countries | 0 | - | 4.93 | 140,161 |
| Andean Countries | 0 | - | 4.94 | 85,391 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,539 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,927 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,117 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,393 |
| Danube Countries | 0 | - | 4.97 | 72,357 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,568 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,817 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,077 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,569 |
| European Landlocked Countries | 0 | - | 4.99 | 147,589 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,269 |
| Countries with the Most Species | 0 | - | 4.99 | 103,548 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,378 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,768 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,876 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,827 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,563 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,990 |
| Countries in the Alps | 0 | - | 4.87 | 118,745 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,574 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,830 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,946 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,007 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,933 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,234 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,376 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,843 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,407 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,157 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,855 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,732 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,542 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,769 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,870 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,787 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,596 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 66,091 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,642 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,612 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,104 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,490 |
| Largest Countries By Category | 0 | - | 4.97 | 158,835 |
| Countries by Countries | 0 | - | 4.96 | 63,624 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,229 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,392 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,663 |
| Merged Country Flags | 0 | - | 4.88 | 107,365 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,923 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,418 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,139 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,093 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,430 |
| Merged Countries #2 | 0 | - | 4.96 | 99,874 |
| Merged Countries #4 | 0 | - | 4.81 | 94,115 |
| Merged Countries #6 | 0 | - | 4.90 | 73,802 |
| Merged Countries #7 | 0 | - | 4.93 | 83,141 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,447 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,980 |
| Geography by Picture - A | 0 | - | 4.39 | 60,429 |
| Geography by Picture - D | 0 | - | 4.15 | 45,778 |
| Geography by Picture - F | 0 | - | 4.31 | 51,169 |
| Geography by Picture - G | 0 | - | 4.39 | 48,072 |
| Geography by Picture - J | 0 | - | 4.16 | 38,588 |
| Geography by Picture - K | 0 | - | 4.29 | 33,244 |
| Geography by Picture - C | 0 | - | 4.31 | 57,230 |
| Geography by Picture - L | 0 | - | 4.37 | 59,131 |
| Geography by Picture - M | 0 | - | 4.14 | 40,575 |
| Geography by Picture - P | 0 | - | 4.24 | 42,557 |
| Geography by Picture - S | 0 | - | 4.38 | 47,175 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,789 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,614 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,162 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,052 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,559 |
