| All Country Flags of the World | 0 | - | 5.00 | 3,718,614 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,744 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,632 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,749 |
| Flags with Crescents | 0 | - | 4.98 | 171,511 |
| Country Flag Trivia | 0 | - | 4.82 | 58,172 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,020 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,522 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,723 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,041 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,065 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,549 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,457 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,457 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,032 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,262 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,703 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,425 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,774 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,482 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,421 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,429 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,354 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,421 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,206 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,810 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,219 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,146 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,525 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,977 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,116 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,467 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,718 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,789 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,757 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,814 |
| Flags of North and South America | 0 | - | 4.99 | 377,440 |
| Flags to Languages | 0 | - | 4.95 | 174,595 |
| Former Flags | 0 | - | 4.97 | 108,678 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,264 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,073 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,052 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,247 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,670 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,325 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,635 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,438 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,536 |
| Flag Maths | 0 | - | 4.61 | 57,856 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,937 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,222 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,298 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,091 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,661 |
| World Coats of Arms | 0 | - | 4.99 | 65,237 |
| Similar Flags #1 | 0 | - | 4.75 | 130,867 |
| Similar Flags #2 | 0 | - | 4.74 | 138,131 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,655 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,913 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,813 |
| Emoji Flags | 0 | - | 4.35 | 44,302 |
| Countries by Road Signs | 0 | - | 4.98 | 54,393 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,199 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,565 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,495 |
| Select the World Flags | 0 | - | 4.28 | 38,011 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,599 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,186 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,803 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,517 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,562 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,149 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,729 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,465 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,083 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,233 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,060 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,493 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,050 |
| Pixelated World Map | 0 | - | 5.00 | 144,158 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,281 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,733 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,249 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,438 |
| Boundary Waters | 0 | - | 4.92 | 88,798 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,762 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,418 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,010 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,023 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,504 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,438 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,818 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,409 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,716 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,243 |
| Geography by Picture - B | 0 | - | 4.42 | 55,802 |
| Geography by Picture - H | 0 | - | 4.50 | 58,406 |
| Geography by Picture - N | 0 | - | 4.45 | 42,366 |
| Geography by Picture - R | 0 | - | 4.56 | 41,168 |
| Geography by Picture - T | 0 | - | 4.54 | 58,022 |
| Flags of Oceania | 0 | - | 5.00 | 263,049 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,695 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,542 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,505 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,818 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,532 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,920,297 |
| Flags of WW1 | 0 | - | 4.60 | 38,731 |
| Landlocked Countries | 0 | - | 4.99 | 426,552 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,058 |
| Satellite Images #1 | 0 | - | 4.46 | 130,029 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,722 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,420 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,272 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,244 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,613 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,903 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,953 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,447 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,060 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,089 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,606 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,546 |
| Himalayan Countries | 0 | - | 4.93 | 140,483 |
| Andean Countries | 0 | - | 4.94 | 85,619 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,750 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,219 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,317 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,549 |
| Danube Countries | 0 | - | 4.97 | 72,471 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,681 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,902 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,264 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,737 |
| European Landlocked Countries | 0 | - | 4.99 | 147,671 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,399 |
| Countries with the Most Species | 0 | - | 4.99 | 103,605 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,510 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,913 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,876 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,616 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,072 |
| Countries in the Alps | 0 | - | 4.87 | 118,858 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,793 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,995 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,011 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,091 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,039 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,322 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,470 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,925 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,464 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,238 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,915 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,782 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,612 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,850 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,949 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,995 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,659 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,584 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,753 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,954 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,307 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,553 |
| Largest Countries By Category | 0 | - | 4.97 | 158,951 |
| Countries by Countries | 0 | - | 4.97 | 63,711 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,333 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,426 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,689 |
| Merged Country Flags | 0 | - | 4.88 | 107,426 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,173 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,470 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,189 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,154 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,881 |
| Merged Countries #2 | 0 | - | 4.96 | 99,914 |
| Merged Countries #4 | 0 | - | 4.81 | 94,156 |
| Merged Countries #6 | 0 | - | 4.90 | 73,849 |
| Merged Countries #7 | 0 | - | 4.93 | 83,182 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,524 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,011 |
| Geography by Picture - A | 0 | - | 4.39 | 60,454 |
| Geography by Picture - D | 0 | - | 4.15 | 45,802 |
| Geography by Picture - F | 0 | - | 4.31 | 51,204 |
| Geography by Picture - G | 0 | - | 4.39 | 48,096 |
| Geography by Picture - J | 0 | - | 4.16 | 38,616 |
| Geography by Picture - K | 0 | - | 4.29 | 33,267 |
| Geography by Picture - C | 0 | - | 4.31 | 57,255 |
| Geography by Picture - L | 0 | - | 4.37 | 59,154 |
| Geography by Picture - M | 0 | - | 4.14 | 40,596 |
| Geography by Picture - P | 0 | - | 4.24 | 42,582 |
| Geography by Picture - S | 0 | - | 4.38 | 47,194 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,842 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,629 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,198 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,239 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,601 |
