| All Country Flags of the World | 0 | - | 5.00 | 3,730,657 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,775 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,785 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,474 |
| Flags with Crescents | 0 | - | 4.98 | 171,910 |
| Country Flag Trivia | 0 | - | 4.82 | 58,409 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,292 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,728 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,034 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,190 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,244 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,704 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,775 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,764 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,356 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,441 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,928 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,740 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 78,050 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,647 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,588 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,653 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,527 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,578 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,381 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,965 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,377 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,239 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,596 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,068 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,255 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,625 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,875 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,948 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,933 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,900 |
| Flags of North and South America | 0 | - | 4.99 | 378,606 |
| Flags to Languages | 0 | - | 4.95 | 174,911 |
| Former Flags | 0 | - | 4.97 | 108,908 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,335 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,197 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,155 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,301 |
| 20 Random Country Flags | 0 | - | 4.99 | 621,216 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,457 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,734 |
| Flags of the Mediterranean | 0 | - | 4.95 | 149,619 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,813 |
| Flag Maths | 0 | - | 4.61 | 57,873 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,169 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,317 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,366 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,162 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,707 |
| World Coats of Arms | 0 | - | 4.99 | 65,396 |
| Similar Flags #1 | 0 | - | 4.75 | 131,026 |
| Similar Flags #2 | 0 | - | 4.74 | 138,310 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,894 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,064 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,112 |
| Emoji Flags | 0 | - | 4.35 | 44,351 |
| Countries by Road Signs | 0 | - | 4.98 | 54,507 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,335 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,630 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,836 |
| Select the World Flags | 0 | - | 4.28 | 38,073 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,713 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,251 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,867 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,584 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,626 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,211 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,783 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,614 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,147 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,302 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,242 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,853 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,613 |
| Pixelated World Map | 0 | - | 5.00 | 144,795 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,776 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,884 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,399 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,494 |
| Boundary Waters | 0 | - | 4.92 | 88,877 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,922 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,656 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,120 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,129 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,780 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,498 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,860 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,485 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,769 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,274 |
| Geography by Picture - B | 0 | - | 4.42 | 55,850 |
| Geography by Picture - H | 0 | - | 4.50 | 58,451 |
| Geography by Picture - N | 0 | - | 4.45 | 42,415 |
| Geography by Picture - R | 0 | - | 4.56 | 41,211 |
| Geography by Picture - T | 0 | - | 4.54 | 58,070 |
| Flags of Oceania | 0 | - | 5.00 | 263,773 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,994 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,736 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,060 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,988 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,738 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,018,824 |
| Flags of WW1 | 0 | - | 4.60 | 38,803 |
| Landlocked Countries | 0 | - | 4.99 | 427,855 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,627 |
| Satellite Images #1 | 0 | - | 4.46 | 130,159 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,009 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,505 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,344 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,301 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,735 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,920 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,029 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,591 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,254 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,288 |
| World Capitals Quiz | 0 | - | 5.00 | 5,118,134 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,199 |
| Himalayan Countries | 0 | - | 4.93 | 141,078 |
| Andean Countries | 0 | - | 4.94 | 85,935 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,035 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,680 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,585 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,781 |
| Danube Countries | 0 | - | 4.97 | 72,626 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,895 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,035 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,575 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,047 |
| European Landlocked Countries | 0 | - | 4.99 | 147,840 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,633 |
| Countries with the Most Species | 0 | - | 4.99 | 103,682 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,740 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,839 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,983 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,970 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,722 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,189 |
| Countries in the Alps | 0 | - | 4.87 | 119,073 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,164 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,281 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,101 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,236 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,207 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,437 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,655 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,049 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,549 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,363 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,987 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,858 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,722 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,978 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,075 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,301 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,774 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,868 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,934 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,630 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,720 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,652 |
| Largest Countries By Category | 0 | - | 4.97 | 159,214 |
| Countries by Countries | 0 | - | 4.97 | 63,869 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,552 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,465 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,725 |
| Merged Country Flags | 0 | - | 4.88 | 107,573 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,679 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,616 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,294 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,308 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,701 |
| Merged Countries #2 | 0 | - | 4.96 | 100,029 |
| Merged Countries #4 | 0 | - | 4.81 | 94,238 |
| Merged Countries #6 | 0 | - | 4.90 | 73,947 |
| Merged Countries #7 | 0 | - | 4.93 | 83,299 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,655 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,036 |
| Geography by Picture - A | 0 | - | 4.39 | 60,508 |
| 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 | 57,304 |
| Geography by Picture - L | 0 | - | 4.37 | 59,203 |
| Geography by Picture - M | 0 | - | 4.14 | 40,642 |
| Geography by Picture - P | 0 | - | 4.24 | 42,623 |
| Geography by Picture - S | 0 | - | 4.38 | 47,231 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,938 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,675 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,295 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,584 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,704 |
