| All Country Flags of the World | 0 | - | 5.00 | 3,703,733 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,033 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,295 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,850 |
| Flags with Crescents | 0 | - | 4.98 | 171,053 |
| Country Flag Trivia | 0 | - | 4.81 | 57,823 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,695 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,249 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,355 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,796 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,836 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,370 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,072 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,108 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,643 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,045 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,391 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,105 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,397 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,256 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,187 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,194 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,152 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,229 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,007 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,630 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,047 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,016 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,419 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,829 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,964 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,312 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,529 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,617 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,568 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,743 |
| Flags of North and South America | 0 | - | 4.99 | 376,188 |
| Flags to Languages | 0 | - | 4.95 | 174,344 |
| Former Flags | 0 | - | 4.97 | 108,381 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,186 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,938 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,915 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,179 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,659 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,165 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,491 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,184 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,276 |
| Flag Maths | 0 | - | 4.61 | 57,822 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,657 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,082 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,198 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,997 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,611 |
| World Coats of Arms | 0 | - | 4.99 | 65,006 |
| Similar Flags #1 | 0 | - | 4.75 | 130,623 |
| Similar Flags #2 | 0 | - | 4.74 | 137,923 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,361 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,723 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,534 |
| Emoji Flags | 0 | - | 4.35 | 44,255 |
| Countries by Road Signs | 0 | - | 4.98 | 54,261 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,986 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,462 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,105 |
| Select the World Flags | 0 | - | 4.28 | 37,939 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,429 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,106 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,709 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,420 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,469 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,087 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,669 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,251 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,022 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,159 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,786 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,880 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,771 |
| Pixelated World Map | 0 | - | 5.00 | 143,953 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,257 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,582 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,075 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,375 |
| Boundary Waters | 0 | - | 4.92 | 88,712 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,369 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,571 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,175 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,851 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,854 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,172 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,343 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,770 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,307 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,646 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,201 |
| Geography by Picture - B | 0 | - | 4.42 | 55,747 |
| Geography by Picture - H | 0 | - | 4.50 | 58,351 |
| Geography by Picture - N | 0 | - | 4.45 | 42,319 |
| Geography by Picture - R | 0 | - | 4.56 | 41,124 |
| Geography by Picture - T | 0 | - | 4.54 | 57,969 |
| Flags of Oceania | 0 | - | 5.00 | 262,098 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,322 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,368 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,340 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,677 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,339 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,786,509 |
| Flags of WW1 | 0 | - | 4.60 | 38,629 |
| Landlocked Countries | 0 | - | 4.99 | 424,602 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,384 |
| Satellite Images #1 | 0 | - | 4.47 | 129,900 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,596 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,153 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,170 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,164 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,478 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,885 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,858 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,291 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,813 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,853 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,496 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,669 |
| Himalayan Countries | 0 | - | 4.93 | 139,801 |
| Andean Countries | 0 | - | 4.94 | 85,199 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,377 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,667 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,945 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,239 |
| Danube Countries | 0 | - | 4.97 | 72,275 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,425 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,715 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,872 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,372 |
| European Landlocked Countries | 0 | - | 4.99 | 147,464 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,100 |
| Countries with the Most Species | 0 | - | 4.99 | 103,492 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,243 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,710 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,824 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,753 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,488 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,911 |
| Countries in the Alps | 0 | - | 4.87 | 118,594 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,335 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,615 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,879 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,901 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,827 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,140 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,264 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,773 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,341 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,072 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,799 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,665 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,455 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,692 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,781 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,538 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,528 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,551 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,498 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,230 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,857 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,431 |
| Largest Countries By Category | 0 | - | 4.97 | 158,674 |
| Countries by Countries | 0 | - | 4.96 | 63,516 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,110 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,362 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,644 |
| Merged Country Flags | 0 | - | 4.88 | 107,259 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,586 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,285 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,069 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,990 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,796,643 |
| Merged Countries #2 | 0 | - | 4.96 | 99,796 |
| Merged Countries #6 | 0 | - | 4.90 | 73,733 |
| Merged Countries #7 | 0 | - | 4.93 | 83,069 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,351 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,951 |
| Geography by Picture - A | 0 | - | 4.39 | 60,399 |
| Geography by Picture - D | 0 | - | 4.15 | 45,765 |
| Geography by Picture - F | 0 | - | 4.31 | 51,143 |
| Geography by Picture - G | 0 | - | 4.39 | 48,058 |
| Geography by Picture - J | 0 | - | 4.16 | 38,571 |
| Geography by Picture - K | 0 | - | 4.29 | 33,228 |
| Geography by Picture - C | 0 | - | 4.31 | 57,205 |
| Geography by Picture - L | 0 | - | 4.37 | 59,103 |
| Geography by Picture - M | 0 | - | 4.14 | 40,561 |
| Geography by Picture - P | 0 | - | 4.24 | 42,538 |
| Geography by Picture - S | 0 | - | 4.38 | 47,158 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,721 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,589 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,109 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,781 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,490 |
| Longest International Borders | 0 | - | 4.99 | 265,637 |
