| All Country Flags of the World | 0 | - | 5.00 | 3,689,641 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,729 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,107 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,971 |
| Flags with Crescents | 0 | - | 4.98 | 170,588 |
| Country Flag Trivia | 0 | - | 4.81 | 57,562 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,353 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,974 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,013 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,610 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,621 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,504 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,639 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,210 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,745 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,983 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,659 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,915 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,978 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,913 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,923 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,916 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,986 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,803 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,413 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,855 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,898 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,299 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,648 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,765 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,118 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,328 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,403 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,309 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,634 |
| Flags of North and South America | 0 | - | 4.99 | 375,097 |
| Flags to Languages | 0 | - | 4.95 | 174,084 |
| Former Flags | 0 | - | 4.97 | 108,132 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,078 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,802 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,737 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,104 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,848 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,024 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,372 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,973 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,009 |
| Flag Maths | 0 | - | 4.61 | 57,803 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,392 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,957 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,115 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,916 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,567 |
| World Coats of Arms | 0 | - | 4.99 | 64,824 |
| Similar Flags #1 | 0 | - | 4.75 | 130,407 |
| Similar Flags #2 | 0 | - | 4.74 | 137,718 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,050 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,456 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,152 |
| Emoji Flags | 0 | - | 4.35 | 44,192 |
| Countries by Road Signs | 0 | - | 4.98 | 54,126 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,846 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,393 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,722 |
| Select the World Flags | 0 | - | 4.27 | 37,874 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,270 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,037 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,610 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,308 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,388 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,035 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,611 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,921 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,947 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,077 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,104 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,199 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,099 |
| Pixelated World Map | 0 | - | 5.00 | 143,777 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,538 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,427 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,869 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,316 |
| Boundary Waters | 0 | - | 4.92 | 88,636 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,309 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,406 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,931 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,728 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,702 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,730 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,226 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,710 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,201 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,591 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,156 |
| Geography by Picture - B | 0 | - | 4.42 | 55,702 |
| Geography by Picture - H | 0 | - | 4.50 | 58,304 |
| Geography by Picture - N | 0 | - | 4.45 | 42,280 |
| Geography by Picture - R | 0 | - | 4.56 | 41,090 |
| Geography by Picture - T | 0 | - | 4.54 | 57,927 |
| Flags of Oceania | 0 | - | 5.00 | 261,119 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,966 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,251 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,185 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,523 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,135 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,673,881 |
| Flags of WW1 | 0 | - | 4.60 | 38,559 |
| Landlocked Countries | 0 | - | 4.99 | 423,134 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,903 |
| Satellite Images #1 | 0 | - | 4.47 | 129,533 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,448 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,028 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,054 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,067 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,273 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,859 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,775 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,144 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,589 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,607 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,399 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,062 |
| Himalayan Countries | 0 | - | 4.94 | 139,235 |
| Andean Countries | 0 | - | 4.93 | 84,895 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,118 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,258 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,692 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,011 |
| Danube Countries | 0 | - | 4.97 | 72,146 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,206 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,553 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,554 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,067 |
| European Landlocked Countries | 0 | - | 4.99 | 147,289 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,855 |
| Countries with the Most Species | 0 | - | 4.99 | 103,355 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,982 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,651 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,772 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,627 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,375 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,797 |
| Countries in the Alps | 0 | - | 4.87 | 118,378 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,804 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,311 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,762 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,728 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,646 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,047 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,832 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,616 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,253 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,970 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,726 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,599 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,335 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,577 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,647 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,190 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,414 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,841 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,261 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,544 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,458 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,320 |
| Largest Countries By Category | 0 | - | 4.97 | 158,424 |
| Countries by Countries | 0 | - | 4.96 | 63,370 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,866 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,328 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,593 |
| Merged Country Flags | 0 | - | 4.88 | 107,077 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,013 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,135 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,904 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,806 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,786,795 |
| Merged Countries #2 | 0 | - | 4.96 | 99,352 |
| Merged Countries #6 | 0 | - | 4.90 | 73,572 |
| Merged Countries #7 | 0 | - | 4.93 | 82,920 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,816 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,898 |
| Geography by Picture - A | 0 | - | 4.39 | 60,349 |
| Geography by Picture - D | 0 | - | 4.15 | 45,728 |
| Geography by Picture - F | 0 | - | 4.31 | 51,099 |
| Geography by Picture - G | 0 | - | 4.39 | 48,027 |
| Geography by Picture - J | 0 | - | 4.16 | 38,533 |
| Geography by Picture - K | 0 | - | 4.29 | 33,193 |
| Geography by Picture - C | 0 | - | 4.31 | 57,158 |
| Geography by Picture - L | 0 | - | 4.37 | 59,068 |
| Geography by Picture - M | 0 | - | 4.14 | 40,526 |
| Geography by Picture - P | 0 | - | 4.24 | 42,508 |
| Geography by Picture - S | 0 | - | 4.38 | 47,120 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,599 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,541 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,993 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,314 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,382 |
| Longest International Borders | 0 | - | 4.99 | 265,404 |
| Countries with Three Borders | 0 | - | 4.96 | 36,666 |
