| All Country Flags of the World | 0 | - | 5.00 | 3,615,686 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,819 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,578 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,497 |
| Flags with Crescents | 0 | - | 4.98 | 167,957 |
| Country Flag Trivia | 0 | - | 4.81 | 56,149 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,685 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,660 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,196 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,209 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,469 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,850 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,339 |
| Country Flags with the Southern Cross | 0 | - | 4.80 | 61,623 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,097 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,030 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,873 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,890 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,886 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,650 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,931 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,005 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,768 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,500 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,975 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,384 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,784 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,902 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,844 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,137 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,319 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,450 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,147 |
| Flags of North and South America | 0 | - | 4.99 | 368,782 |
| Flags to Languages | 0 | - | 4.95 | 172,754 |
| Former Flags | 0 | - | 4.97 | 106,938 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,702 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,174 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,943 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,198 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,765 |
| 20 Random Country Flags | 0 | - | 4.99 | 606,273 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,214 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,765 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,732 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,724 |
| Flag Maths | 0 | - | 4.78 | 57,694 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,663 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,076 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,526 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,457 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,328 |
| World Coats of Arms | 0 | - | 4.99 | 64,010 |
| Similar Flags #1 | 0 | - | 4.74 | 129,310 |
| Similar Flags #2 | 0 | - | 4.74 | 136,574 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,629 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,039 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,227 |
| Emoji Flags | 0 | - | 4.35 | 43,869 |
| Countries by Road Signs | 0 | - | 4.98 | 53,257 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,149 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,056 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 22,054 |
| Select the World Flags | 0 | - | 4.27 | 37,472 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,416 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,657 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,121 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,764 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,917 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,740 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,284 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,490 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,058 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,479 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,999 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,624 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,269 |
| Pixelated World Map | 0 | - | 5.00 | 142,662 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,048 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,561 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,886 |
| European Cities by Picture #2 | 0 | - | 4.45 | 38,000 |
| Boundary Waters | 0 | - | 4.92 | 88,123 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,893 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,475 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,560 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,985 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,888 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,444 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,947 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,096 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,640 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,199 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,952 |
| Geography by Picture - B | 0 | - | 4.42 | 55,461 |
| Geography by Picture - H | 0 | - | 4.50 | 58,086 |
| Geography by Picture - N | 0 | - | 4.45 | 42,080 |
| Geography by Picture - R | 0 | - | 4.55 | 40,910 |
| Geography by Picture - T | 0 | - | 4.54 | 57,715 |
| Flags of Oceania | 0 | - | 5.00 | 256,112 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,180 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,583 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,249 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,599 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,015 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,037,095 |
| Flags of WW1 | 0 | - | 4.60 | 38,048 |
| Landlocked Countries | 0 | - | 4.99 | 415,107 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 557,176 |
| Satellite Images #1 | 0 | - | 4.46 | 129,096 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,058 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,719 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,710 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,853 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,512 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,760 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,272 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,183 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,063 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,306 |
| World Capitals Quiz | 0 | - | 5.00 | 5,041,421 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,188 |
| Himalayan Countries | 0 | - | 4.95 | 135,893 |
| Andean Countries | 0 | - | 4.94 | 83,126 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,454 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,565 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,155 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,804 |
| Danube Countries | 0 | - | 4.97 | 71,244 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,962 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,683 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,814 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,737 |
| European Landlocked Countries | 0 | - | 4.99 | 145,944 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,478 |
| Countries with the Most Species | 0 | - | 4.99 | 95,326 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,609 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,256 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,431 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,047 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,702 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,060 |
| Countries in the Alps | 0 | - | 4.86 | 117,086 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,732 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,545 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,144 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,564 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,353 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,125 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,765 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,883 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,666 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,194 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,263 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,130 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,599 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,860 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,874 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,410 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,777 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,341 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,985 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,137 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,124 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,711 |
| Largest Countries By Category | 0 | - | 4.97 | 156,989 |
| Countries by Countries | 0 | - | 4.96 | 62,419 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,624 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,013 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,375 |
| Merged Country Flags | 0 | - | 4.88 | 106,175 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,215 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,253 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,182 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,918 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,728,858 |
| Merged Countries #2 | 0 | - | 4.96 | 98,588 |
| Merged Countries #6 | 0 | - | 4.90 | 72,835 |
| Merged Countries #7 | 0 | - | 4.92 | 82,075 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,860 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,541 |
| Geography by Picture - A | 0 | - | 4.39 | 60,089 |
| Geography by Picture - D | 0 | - | 4.15 | 45,531 |
| Geography by Picture - F | 0 | - | 4.31 | 50,861 |
| Geography by Picture - G | 0 | - | 4.38 | 47,835 |
| Geography by Picture - J | 0 | - | 4.16 | 38,359 |
| Geography by Picture - K | 0 | - | 4.29 | 33,039 |
| Geography by Picture - C | 0 | - | 4.31 | 56,948 |
| Geography by Picture - L | 0 | - | 4.37 | 58,805 |
| Geography by Picture - M | 0 | - | 4.14 | 40,367 |
| Geography by Picture - P | 0 | - | 4.24 | 42,326 |
| Geography by Picture - S | 0 | - | 4.38 | 46,941 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,695 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,283 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,530 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,833 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,737 |
| Longest International Borders | 0 | - | 4.99 | 264,070 |
| Countries with Three Borders | 0 | - | 4.96 | 36,278 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,687 |
