| All Country Flags of the World | 0 | - | 5.00 | 3,708,270 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,877 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,721 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,125 |
| Flags with Crescents | 0 | - | 4.98 | 171,185 |
| Country Flag Trivia | 0 | - | 4.81 | 57,906 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,794 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,342 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,465 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,869 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,907 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,425 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,198 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,209 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,755 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,106 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,494 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,209 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,509 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,312 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,252 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,255 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,203 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,280 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,066 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,675 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,085 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,056 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,455 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,874 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,010 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,360 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,592 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,675 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,619 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,769 |
| Flags of North and South America | 0 | - | 4.99 | 376,551 |
| Flags to Languages | 0 | - | 4.95 | 174,421 |
| Former Flags | 0 | - | 4.97 | 108,475 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,207 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,977 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,966 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,202 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,226 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,201 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,542 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,261 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,339 |
| Flag Maths | 0 | - | 4.61 | 57,826 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,757 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,132 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,226 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,026 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,626 |
| World Coats of Arms | 0 | - | 4.99 | 65,069 |
| Similar Flags #1 | 0 | - | 4.75 | 130,694 |
| Similar Flags #2 | 0 | - | 4.74 | 138,002 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,454 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,791 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,623 |
| Emoji Flags | 0 | - | 4.35 | 44,265 |
| Countries by Road Signs | 0 | - | 4.98 | 54,304 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,045 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,493 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,211 |
| Select the World Flags | 0 | - | 4.28 | 37,967 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,486 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,137 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,744 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,455 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,495 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,107 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,688 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,327 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,038 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,190 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,924 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,407 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,494 |
| Pixelated World Map | 0 | - | 5.00 | 144,030 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,865 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,624 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,131 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,395 |
| Boundary Waters | 0 | - | 4.92 | 88,739 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,390 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,631 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,254 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,913 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,910 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,291 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,376 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,782 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,333 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,670 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,213 |
| Geography by Picture - B | 0 | - | 4.42 | 55,763 |
| Geography by Picture - H | 0 | - | 4.50 | 58,363 |
| Geography by Picture - N | 0 | - | 4.45 | 42,330 |
| Geography by Picture - R | 0 | - | 4.56 | 41,136 |
| Geography by Picture - T | 0 | - | 4.54 | 57,988 |
| Flags of Oceania | 0 | - | 5.00 | 262,361 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,458 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,399 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,393 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,714 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,403 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,830,925 |
| Flags of WW1 | 0 | - | 4.60 | 38,661 |
| Landlocked Countries | 0 | - | 4.99 | 425,050 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 586,509 |
| Satellite Images #1 | 0 | - | 4.47 | 129,934 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,623 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,180 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,192 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,177 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,515 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,889 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,892 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,348 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,897 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,924 |
| World Capitals Quiz | 0 | - | 5.00 | 5,102,465 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,906 |
| Himalayan Countries | 0 | - | 4.93 | 139,970 |
| Andean Countries | 0 | - | 4.94 | 85,290 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,446 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,791 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,018 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,315 |
| Danube Countries | 0 | - | 4.97 | 72,312 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,477 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,753 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,974 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,465 |
| European Landlocked Countries | 0 | - | 4.99 | 147,526 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,183 |
| Countries with the Most Species | 0 | - | 4.99 | 103,518 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,315 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,740 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,850 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,786 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,519 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,953 |
| Countries in the Alps | 0 | - | 4.87 | 118,681 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,471 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,728 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,914 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,956 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,874 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,184 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,313 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,808 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,371 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,115 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,819 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,690 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,495 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,733 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,826 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,674 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,561 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,685 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,578 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,433 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,982 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,470 |
| Largest Countries By Category | 0 | - | 4.97 | 158,757 |
| Countries by Countries | 0 | - | 4.96 | 63,578 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,182 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,378 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,653 |
| Merged Country Flags | 0 | - | 4.88 | 107,319 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,773 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,347 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,105 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,036 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,800,205 |
| Merged Countries #2 | 0 | - | 4.96 | 99,836 |
| Merged Countries #4 | 0 | - | 4.81 | 94,077 |
| Merged Countries #6 | 0 | - | 4.90 | 73,774 |
| Merged Countries #7 | 0 | - | 4.93 | 83,101 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,408 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,966 |
| Geography by Picture - A | 0 | - | 4.39 | 60,414 |
| Geography by Picture - D | 0 | - | 4.15 | 45,771 |
| Geography by Picture - F | 0 | - | 4.31 | 51,155 |
| Geography by Picture - G | 0 | - | 4.39 | 48,066 |
| Geography by Picture - J | 0 | - | 4.16 | 38,580 |
| Geography by Picture - K | 0 | - | 4.29 | 33,234 |
| Geography by Picture - C | 0 | - | 4.31 | 57,216 |
| Geography by Picture - L | 0 | - | 4.37 | 59,119 |
| Geography by Picture - M | 0 | - | 4.14 | 40,567 |
| Geography by Picture - P | 0 | - | 4.24 | 42,552 |
| Geography by Picture - S | 0 | - | 4.38 | 47,170 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,750 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,607 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,138 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,931 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,523 |
