| All Country Flags of the World | 0 | - | 5.00 | 3,687,343 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,343 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,892 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,812 |
| Flags with Crescents | 0 | - | 4.98 | 170,511 |
| Country Flag Trivia | 0 | - | 4.81 | 57,517 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,301 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,931 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,956 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,570 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,150 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,402 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,561 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,120 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,684 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,911 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,590 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,822 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,928 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,860 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,869 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,860 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,948 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,747 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,370 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,812 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,871 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,277 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,623 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,728 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,078 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,292 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,359 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,256 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,614 |
| Flags of North and South America | 0 | - | 4.99 | 374,891 |
| Flags to Languages | 0 | - | 4.95 | 174,035 |
| Former Flags | 0 | - | 4.97 | 108,096 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,061 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,771 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,698 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,086 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,512 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,003 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,355 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,935 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,961 |
| Flag Maths | 0 | - | 4.64 | 57,801 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,337 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,929 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,102 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,904 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,564 |
| World Coats of Arms | 0 | - | 4.99 | 64,807 |
| Similar Flags #1 | 0 | - | 4.75 | 130,376 |
| Similar Flags #2 | 0 | - | 4.74 | 137,685 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,015 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,380 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,111 |
| Emoji Flags | 0 | - | 4.35 | 44,183 |
| Countries by Road Signs | 0 | - | 4.98 | 54,100 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,822 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,383 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,664 |
| Select the World Flags | 0 | - | 4.27 | 37,863 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,240 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,026 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,591 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,296 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,369 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,023 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,604 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,840 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,933 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,059 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,082 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,554 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,820 |
| Pixelated World Map | 0 | - | 5.00 | 143,752 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,209 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,406 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,829 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,302 |
| Boundary Waters | 0 | - | 4.92 | 88,621 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,295 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,373 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,887 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,704 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,679 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,688 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,215 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,696 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,176 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,585 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,147 |
| Geography by Picture - B | 0 | - | 4.42 | 55,696 |
| 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 |
| Geography by Picture - T | 0 | - | 4.54 | 57,918 |
| Flags of Oceania | 0 | - | 5.00 | 260,998 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,892 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,228 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,158 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,480 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,102 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,654,617 |
| Flags of WW1 | 0 | - | 4.60 | 38,544 |
| Landlocked Countries | 0 | - | 4.99 | 422,902 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,948 |
| Satellite Images #1 | 0 | - | 4.47 | 129,518 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,434 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,019 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,041 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,058 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,252 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,853 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,758 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,115 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,540 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,556 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,939 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,974 |
| Himalayan Countries | 0 | - | 4.95 | 139,135 |
| Andean Countries | 0 | - | 4.93 | 84,852 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,072 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,194 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,659 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,968 |
| Danube Countries | 0 | - | 4.97 | 72,126 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,168 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,526 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,509 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,012 |
| European Landlocked Countries | 0 | - | 4.99 | 147,262 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,816 |
| Countries with the Most Species | 0 | - | 4.99 | 103,334 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,942 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,645 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,762 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,610 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,352 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,773 |
| Countries in the Alps | 0 | - | 4.87 | 118,348 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,694 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,256 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,738 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,696 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,618 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,030 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,800 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,595 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,241 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,943 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,711 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,585 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,315 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,555 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,626 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,128 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,391 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,672 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,232 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,437 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,399 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,305 |
| Largest Countries By Category | 0 | - | 4.97 | 158,380 |
| Countries by Countries | 0 | - | 4.96 | 63,343 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,824 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,319 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,589 |
| Merged Country Flags | 0 | - | 4.88 | 107,048 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,903 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,118 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,875 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,777 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,092 |
| Merged Countries #2 | 0 | - | 4.96 | 99,337 |
| Merged Countries #6 | 0 | - | 4.90 | 73,553 |
| Merged Countries #7 | 0 | - | 4.93 | 82,889 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,787 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,885 |
| 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 | 38,528 |
| 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 | 59,064 |
| Geography by Picture - M | 0 | - | 4.14 | 40,522 |
| Geography by Picture - P | 0 | - | 4.24 | 42,501 |
| Geography by Picture - S | 0 | - | 4.38 | 47,110 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,581 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,530 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,979 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,237 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,360 |
| Longest International Borders | 0 | - | 4.99 | 265,363 |
| Countries with Three Borders | 0 | - | 4.96 | 36,649 |
