| All Country Flags of the World | 0 | - | 5.00 | 3,606,450 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,169 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,792 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,951 |
| Flags with Crescents | 0 | - | 4.98 | 167,690 |
| Country Flag Trivia | 0 | - | 4.81 | 55,996 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,514 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,530 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,008 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,096 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,978 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,428 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,045 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,456 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,121 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,782 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,458 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,701 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,732 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,470 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,795 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,874 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,648 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,368 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,872 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,307 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,717 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,810 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,546 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,831 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,946 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,131 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,072 |
| Flags of North and South America | 0 | - | 4.99 | 367,821 |
| Flags to Languages | 0 | - | 4.95 | 172,590 |
| Former Flags | 0 | - | 4.97 | 106,778 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,649 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,161 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,834 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,793 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,724 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,022 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,110 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,668 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,603 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,544 |
| Flag Maths | 0 | - | 4.78 | 57,683 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,459 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,000 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,464 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,394 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,291 |
| World Coats of Arms | 0 | - | 4.99 | 63,921 |
| Similar Flags #1 | 0 | - | 4.74 | 129,174 |
| Similar Flags #2 | 0 | - | 4.74 | 136,432 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,460 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,874 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,013 |
| Emoji Flags | 0 | - | 4.35 | 43,830 |
| Countries by Road Signs | 0 | - | 4.98 | 53,149 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,075 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,009 |
| Select the World Flags | 0 | - | 4.27 | 37,422 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,342 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,599 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,073 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,708 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,850 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 46,700 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,236 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,411 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,005 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,417 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,888 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,033 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,124 |
| Pixelated World Map | 0 | - | 5.00 | 142,509 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,914 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,446 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,751 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,958 |
| Boundary Waters | 0 | - | 4.92 | 88,070 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,836 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,353 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,381 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,881 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,789 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,317 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,924 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,052 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,587 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,164 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,925 |
| Geography by Picture - B | 0 | - | 4.42 | 55,429 |
| Geography by Picture - H | 0 | - | 4.49 | 58,064 |
| Geography by Picture - N | 0 | - | 4.45 | 42,059 |
| Geography by Picture - R | 0 | - | 4.55 | 40,885 |
| Geography by Picture - T | 0 | - | 4.54 | 57,692 |
| Flags of Oceania | 0 | - | 5.00 | 255,537 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,982 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,500 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,136 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,485 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,877 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,955,997 |
| Flags of WW1 | 0 | - | 4.60 | 37,980 |
| Landlocked Countries | 0 | - | 4.99 | 414,028 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,181 |
| Satellite Images #1 | 0 | - | 4.46 | 129,044 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,011 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,671 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,671 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,820 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,411 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,743 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,197 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,052 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,718 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,123 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,415 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,767 |
| Himalayan Countries | 0 | - | 4.95 | 135,505 |
| Andean Countries | 0 | - | 4.94 | 82,902 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,284 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,299 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,974 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,660 |
| Danube Countries | 0 | - | 4.97 | 71,120 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,821 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,582 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,576 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,481 |
| European Landlocked Countries | 0 | - | 4.99 | 145,804 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,273 |
| Countries with the Most Species | 0 | - | 4.99 | 95,265 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,415 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,214 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,981 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,605 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,986 |
| Countries in the Alps | 0 | - | 4.86 | 116,903 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,614 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,340 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,046 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,464 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,226 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,045 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,625 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,797 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,459 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,106 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,207 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,069 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,482 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,794 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,784 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,159 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,691 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,282 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,834 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,533 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,820 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,628 |
| Largest Countries By Category | 0 | - | 4.97 | 156,839 |
| Countries by Countries | 0 | - | 4.96 | 62,302 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,472 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,977 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,345 |
| Merged Country Flags | 0 | - | 4.88 | 106,069 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,835 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,157 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,098 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,813 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,608 |
| Merged Countries #2 | 0 | - | 4.96 | 98,513 |
| Merged Countries #6 | 0 | - | 4.91 | 72,751 |
| Merged Countries #7 | 0 | - | 4.92 | 82,002 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,759 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,501 |
| Geography by Picture - A | 0 | - | 4.39 | 60,064 |
| Geography by Picture - D | 0 | - | 4.15 | 45,510 |
| Geography by Picture - F | 0 | - | 4.31 | 50,841 |
| Geography by Picture - G | 0 | - | 4.38 | 47,805 |
| Geography by Picture - J | 0 | - | 4.16 | 38,344 |
| Geography by Picture - K | 0 | - | 4.28 | 33,027 |
| Geography by Picture - C | 0 | - | 4.31 | 56,923 |
| Geography by Picture - L | 0 | - | 4.37 | 58,776 |
| Geography by Picture - M | 0 | - | 4.14 | 40,353 |
| Geography by Picture - P | 0 | - | 4.24 | 42,312 |
| Geography by Picture - S | 0 | - | 4.38 | 46,926 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,591 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,251 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,464 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,545 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,659 |
| Longest International Borders | 0 | - | 4.99 | 263,714 |
| Countries with Three Borders | 0 | - | 4.96 | 36,213 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,623 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,709 |
