| All Country Flags of the World | 0 | - | 5.00 | 3,724,271 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,723 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,203 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,110 |
| Flags with Crescents | 0 | - | 4.98 | 171,724 |
| Country Flag Trivia | 0 | - | 4.82 | 58,292 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,160 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,629 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,874 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,117 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,158 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,626 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,612 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,604 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,206 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,348 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,808 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,578 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,901 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,570 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,490 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,547 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,439 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,484 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,287 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,871 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,287 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,188 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,551 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,016 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,185 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,537 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,790 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,871 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,843 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,859 |
| Flags of North and South America | 0 | - | 4.99 | 378,067 |
| Flags to Languages | 0 | - | 4.95 | 174,689 |
| Former Flags | 0 | - | 4.97 | 108,810 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,302 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,142 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,094 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,280 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,289 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,392 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,676 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,527 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,663 |
| Flag Maths | 0 | - | 4.61 | 57,864 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,058 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,269 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,333 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,130 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,683 |
| World Coats of Arms | 0 | - | 4.99 | 65,313 |
| Similar Flags #1 | 0 | - | 4.75 | 130,947 |
| Similar Flags #2 | 0 | - | 4.74 | 138,223 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,769 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,979 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,953 |
| Emoji Flags | 0 | - | 4.35 | 44,326 |
| Countries by Road Signs | 0 | - | 4.98 | 54,446 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,277 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,596 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,653 |
| Select the World Flags | 0 | - | 4.28 | 38,035 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,649 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,227 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,833 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,546 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,592 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,181 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,757 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,543 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,115 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,256 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,149 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,132 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,801 |
| Pixelated World Map | 0 | - | 5.00 | 144,263 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,982 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,801 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,312 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,471 |
| Boundary Waters | 0 | - | 4.92 | 88,832 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,465 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,831 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,557 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,060 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,081 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,645 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,467 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,835 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,447 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,737 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,258 |
| Geography by Picture - B | 0 | - | 4.42 | 55,830 |
| Geography by Picture - H | 0 | - | 4.50 | 58,427 |
| Geography by Picture - N | 0 | - | 4.45 | 42,394 |
| Geography by Picture - R | 0 | - | 4.56 | 41,189 |
| Geography by Picture - T | 0 | - | 4.54 | 58,043 |
| Flags of Oceania | 0 | - | 5.00 | 263,425 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,834 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,644 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,580 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,879 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,603 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,966,588 |
| Flags of WW1 | 0 | - | 4.60 | 38,765 |
| Landlocked Countries | 0 | - | 4.99 | 427,216 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,792 |
| Satellite Images #1 | 0 | - | 4.46 | 130,083 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,787 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,448 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,295 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,257 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,665 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,911 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,989 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,511 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,163 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,186 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,517 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,899 |
| Himalayan Countries | 0 | - | 4.93 | 140,809 |
| Andean Countries | 0 | - | 4.94 | 85,795 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,911 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,479 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,460 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,686 |
| Danube Countries | 0 | - | 4.97 | 72,548 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,796 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,971 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,433 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,910 |
| European Landlocked Countries | 0 | - | 4.99 | 147,736 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,531 |
| Countries with the Most Species | 0 | - | 4.99 | 103,643 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,634 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,812 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,952 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,923 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,678 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,125 |
| Countries in the Alps | 0 | - | 4.87 | 118,968 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,980 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,126 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,053 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,170 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,126 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,389 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,589 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,989 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,512 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,311 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,953 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,829 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,670 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,924 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,019 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,143 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,730 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,417 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,832 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,284 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,487 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,614 |
| Largest Countries By Category | 0 | - | 4.97 | 159,084 |
| Countries by Countries | 0 | - | 4.97 | 63,800 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,436 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,448 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,704 |
| Merged Country Flags | 0 | - | 4.88 | 107,489 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,414 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,546 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,246 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,226 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,131 |
| Merged Countries #2 | 0 | - | 4.96 | 99,962 |
| Merged Countries #4 | 0 | - | 4.81 | 94,186 |
| Merged Countries #6 | 0 | - | 4.90 | 73,896 |
| Merged Countries #7 | 0 | - | 4.93 | 83,237 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,575 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,023 |
| Geography by Picture - A | 0 | - | 4.39 | 60,484 |
| Geography by Picture - D | 0 | - | 4.15 | 45,824 |
| Geography by Picture - F | 0 | - | 4.31 | 51,228 |
| Geography by Picture - G | 0 | - | 4.39 | 48,120 |
| Geography by Picture - J | 0 | - | 4.16 | 38,632 |
| Geography by Picture - K | 0 | - | 4.29 | 33,290 |
| Geography by Picture - C | 0 | - | 4.31 | 57,280 |
| Geography by Picture - L | 0 | - | 4.37 | 59,173 |
| Geography by Picture - M | 0 | - | 4.14 | 40,616 |
| Geography by Picture - P | 0 | - | 4.24 | 42,600 |
| Geography by Picture - S | 0 | - | 4.38 | 47,211 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,885 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,656 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,252 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,399 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,653 |
