| All Country Flags of the World | 0 | - | 5.00 | 3,730,179 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,700 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,747 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,452 |
| Flags with Crescents | 0 | - | 4.98 | 171,897 |
| Country Flag Trivia | 0 | - | 4.82 | 58,403 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,285 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,722 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,022 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,187 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,242 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,699 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,758 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,754 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,351 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,434 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,923 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,729 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 78,044 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,645 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,583 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,644 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,523 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,574 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,373 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,955 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,373 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,235 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,594 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,064 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,245 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,618 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,867 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,940 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,926 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,894 |
| Flags of North and South America | 0 | - | 4.99 | 378,576 |
| Flags to Languages | 0 | - | 4.95 | 174,879 |
| Former Flags | 0 | - | 4.97 | 108,903 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,333 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,193 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,150 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,297 |
| 20 Random Country Flags | 0 | - | 4.99 | 621,124 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,456 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,731 |
| Flags of the Mediterranean | 0 | - | 4.95 | 149,612 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,806 |
| Flag Maths | 0 | - | 4.61 | 57,873 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,162 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,314 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,363 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,158 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,705 |
| World Coats of Arms | 0 | - | 4.99 | 65,395 |
| Similar Flags #1 | 0 | - | 4.75 | 131,025 |
| Similar Flags #2 | 0 | - | 4.74 | 138,308 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,890 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,059 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,089 |
| Emoji Flags | 0 | - | 4.35 | 44,349 |
| Countries by Road Signs | 0 | - | 4.98 | 54,504 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,330 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,627 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,819 |
| Select the World Flags | 0 | - | 4.28 | 38,069 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,710 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,249 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,866 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,582 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,623 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,210 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,780 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,608 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,143 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,302 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,233 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,761 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,569 |
| Pixelated World Map | 0 | - | 5.00 | 144,791 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,748 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,881 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,394 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,493 |
| Boundary Waters | 0 | - | 4.92 | 88,876 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,918 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,655 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,115 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,129 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,767 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,495 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,855 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,483 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,768 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,271 |
| Geography by Picture - B | 0 | - | 4.42 | 55,849 |
| Geography by Picture - H | 0 | - | 4.50 | 58,451 |
| Geography by Picture - N | 0 | - | 4.45 | 42,413 |
| Geography by Picture - R | 0 | - | 4.56 | 41,210 |
| Geography by Picture - T | 0 | - | 4.54 | 58,068 |
| Flags of Oceania | 0 | - | 5.00 | 263,756 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,987 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,730 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,057 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,982 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,734 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,015,188 |
| Flags of WW1 | 0 | - | 4.60 | 38,802 |
| Landlocked Countries | 0 | - | 4.99 | 427,822 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,490 |
| Satellite Images #1 | 0 | - | 4.46 | 130,156 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,007 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,504 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,342 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,300 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,729 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,920 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,027 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,582 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,248 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,286 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,814 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,183 |
| Himalayan Countries | 0 | - | 4.93 | 141,065 |
| Andean Countries | 0 | - | 4.94 | 85,924 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,030 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,662 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,579 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,776 |
| Danube Countries | 0 | - | 4.97 | 72,623 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,890 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,029 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,559 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,034 |
| European Landlocked Countries | 0 | - | 4.99 | 147,833 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,626 |
| Countries with the Most Species | 0 | - | 4.99 | 103,679 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,732 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,838 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,981 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,967 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,716 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,184 |
| Countries in the Alps | 0 | - | 4.87 | 119,068 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,152 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,269 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,101 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,231 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,203 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,435 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,653 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,046 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,544 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,359 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,986 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,856 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,718 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,972 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,073 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,291 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,772 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,849 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,924 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,611 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,697 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,648 |
| Largest Countries By Category | 0 | - | 4.97 | 159,208 |
| Countries by Countries | 0 | - | 4.97 | 63,867 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,546 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,465 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,722 |
| Merged Country Flags | 0 | - | 4.88 | 107,569 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,664 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,610 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,284 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,304 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,402 |
| Merged Countries #2 | 0 | - | 4.96 | 100,025 |
| Merged Countries #4 | 0 | - | 4.81 | 94,234 |
| Merged Countries #6 | 0 | - | 4.90 | 73,947 |
| Merged Countries #7 | 0 | - | 4.93 | 83,297 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,647 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,036 |
| Geography by Picture - A | 0 | - | 4.39 | 60,507 |
| Geography by Picture - D | 0 | - | 4.15 | 45,837 |
| Geography by Picture - F | 0 | - | 4.31 | 51,249 |
| Geography by Picture - G | 0 | - | 4.39 | 48,141 |
| Geography by Picture - J | 0 | - | 4.16 | 38,650 |
| Geography by Picture - K | 0 | - | 4.29 | 33,308 |
| Geography by Picture - C | 0 | - | 4.31 | 57,302 |
| Geography by Picture - L | 0 | - | 4.37 | 59,202 |
| Geography by Picture - M | 0 | - | 4.14 | 40,641 |
| Geography by Picture - P | 0 | - | 4.24 | 42,622 |
| Geography by Picture - S | 0 | - | 4.38 | 47,229 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,934 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,674 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,294 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,567 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,702 |
