| All Country Flags of the World | 0 | - | 5.00 | 3,698,571 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,149 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,839 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,499 |
| Flags with Crescents | 0 | - | 4.98 | 170,887 |
| Country Flag Trivia | 0 | - | 4.81 | 57,744 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,570 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,137 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,237 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,722 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,753 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,309 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,906 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,987 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,494 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,973 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,277 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,981 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,242 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,164 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,089 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,103 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,076 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,142 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,943 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,563 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,986 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,984 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,391 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,764 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,903 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,258 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,464 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,540 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,480 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,716 |
| Flags of North and South America | 0 | - | 4.99 | 375,808 |
| Flags to Languages | 0 | - | 4.95 | 174,251 |
| Former Flags | 0 | - | 4.97 | 108,291 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,155 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,891 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,859 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,155 |
| 20 Random Country Flags | 0 | - | 4.99 | 616,956 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,127 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,456 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,096 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,186 |
| Flag Maths | 0 | - | 4.61 | 57,815 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,550 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,025 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,162 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,962 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,594 |
| World Coats of Arms | 0 | - | 4.99 | 64,930 |
| Similar Flags #1 | 0 | - | 4.75 | 130,534 |
| Similar Flags #2 | 0 | - | 4.74 | 137,848 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,243 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,641 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,401 |
| Emoji Flags | 0 | - | 4.35 | 44,235 |
| Countries by Road Signs | 0 | - | 4.98 | 54,215 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,932 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,441 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,964 |
| Select the World Flags | 0 | - | 4.28 | 37,913 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,365 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,083 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,674 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,376 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,440 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,067 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,645 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,127 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,998 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,134 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,464 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,497 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,116 |
| Pixelated World Map | 0 | - | 5.00 | 143,883 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,614 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,532 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,988 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,348 |
| Boundary Waters | 0 | - | 4.92 | 88,683 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,342 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,497 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,077 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,804 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,806 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,003 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,306 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,744 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,267 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,626 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,182 |
| Geography by Picture - B | 0 | - | 4.42 | 55,734 |
| Geography by Picture - H | 0 | - | 4.50 | 58,334 |
| Geography by Picture - N | 0 | - | 4.45 | 42,302 |
| Geography by Picture - R | 0 | - | 4.56 | 41,110 |
| Geography by Picture - T | 0 | - | 4.54 | 57,956 |
| Flags of Oceania | 0 | - | 5.00 | 261,786 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,178 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,319 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,275 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,630 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,272 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,744,049 |
| Flags of WW1 | 0 | - | 4.60 | 38,599 |
| Landlocked Countries | 0 | - | 4.99 | 423,979 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 583,861 |
| Satellite Images #1 | 0 | - | 4.47 | 129,595 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,490 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,075 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,095 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,101 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,431 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,870 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,826 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,232 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,731 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,749 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,791 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,409 |
| Himalayan Countries | 0 | - | 4.94 | 139,580 |
| Andean Countries | 0 | - | 4.94 | 85,084 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,273 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,498 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,838 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,141 |
| Danube Countries | 0 | - | 4.97 | 72,221 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,331 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,646 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,741 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,243 |
| European Landlocked Countries | 0 | - | 4.99 | 147,399 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,005 |
| Countries with the Most Species | 0 | - | 4.99 | 103,434 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,128 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,689 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,800 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,710 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,443 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,857 |
| Countries in the Alps | 0 | - | 4.87 | 118,508 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,121 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,483 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,822 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,821 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,756 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,102 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,942 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,686 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,311 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,026 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,770 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,634 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,399 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,642 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,733 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,399 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,480 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,317 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,383 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,974 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,700 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,392 |
| Largest Countries By Category | 0 | - | 4.97 | 158,562 |
| Countries by Countries | 0 | - | 4.96 | 63,454 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,028 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,351 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,627 |
| Merged Country Flags | 0 | - | 4.88 | 107,185 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,325 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,217 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,001 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,924 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,793,072 |
| Merged Countries #2 | 0 | - | 4.96 | 99,742 |
| Merged Countries #6 | 0 | - | 4.90 | 73,680 |
| Merged Countries #7 | 0 | - | 4.93 | 83,024 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,280 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,931 |
| Geography by Picture - A | 0 | - | 4.39 | 60,383 |
| Geography by Picture - D | 0 | - | 4.15 | 45,751 |
| Geography by Picture - F | 0 | - | 4.31 | 51,128 |
| Geography by Picture - G | 0 | - | 4.39 | 48,047 |
| Geography by Picture - J | 0 | - | 4.16 | 38,558 |
| Geography by Picture - K | 0 | - | 4.29 | 33,216 |
| Geography by Picture - C | 0 | - | 4.31 | 57,185 |
| Geography by Picture - L | 0 | - | 4.37 | 59,091 |
| Geography by Picture - M | 0 | - | 4.14 | 40,547 |
| Geography by Picture - P | 0 | - | 4.24 | 42,528 |
| Geography by Picture - S | 0 | - | 4.38 | 47,143 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,669 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,578 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,070 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,603 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,447 |
| Longest International Borders | 0 | - | 4.99 | 265,543 |
