| All Country Flags of the World | 0 | - | 5.00 | 3,660,288 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,595 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,617 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,236 |
| Flags with Crescents | 0 | - | 4.98 | 169,445 |
| Country Flag Trivia | 0 | - | 4.81 | 56,977 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,690 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,448 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,336 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,247 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,765 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,579 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,829 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,335 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,173 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,222 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,939 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,054 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,482 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,451 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,401 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,474 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,578 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,357 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,039 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,474 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,695 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,081 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,326 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,384 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,712 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,922 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,021 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,839 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,439 |
| Flags of North and South America | 0 | - | 4.99 | 372,821 |
| Flags to Languages | 0 | - | 4.95 | 173,592 |
| Former Flags | 0 | - | 4.97 | 107,669 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,924 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,511 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,412 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,940 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,841 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,690 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,117 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,487 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,504 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,525 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,448 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,792 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,734 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,486 |
| World Coats of Arms | 0 | - | 4.99 | 64,465 |
| Similar Flags #1 | 0 | - | 4.75 | 129,974 |
| Similar Flags #2 | 0 | - | 4.74 | 137,263 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,514 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,703 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,327 |
| Emoji Flags | 0 | - | 4.35 | 44,079 |
| Countries by Road Signs | 0 | - | 4.98 | 53,763 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,566 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,247 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,751 |
| Select the World Flags | 0 | - | 4.27 | 37,724 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,938 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,895 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,375 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,070 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,161 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,904 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,472 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,396 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,371 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,794 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,670 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,207 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,097 |
| Pixelated World Map | 0 | - | 5.00 | 143,342 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,795 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,065 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,467 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,186 |
| Boundary Waters | 0 | - | 4.92 | 88,450 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,135 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,038 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,384 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,437 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,367 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,035 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,063 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,340 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,064 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,414 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,114 |
| Geography by Picture - B | 0 | - | 4.42 | 55,595 |
| Geography by Picture - H | 0 | - | 4.50 | 58,219 |
| Geography by Picture - N | 0 | - | 4.45 | 42,198 |
| Geography by Picture - R | 0 | - | 4.56 | 41,018 |
| Geography by Picture - T | 0 | - | 4.54 | 57,835 |
| Flags of Oceania | 0 | - | 5.00 | 258,844 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,218 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,989 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,821 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,147 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,699 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,422,159 |
| Flags of WW1 | 0 | - | 4.60 | 38,362 |
| Landlocked Countries | 0 | - | 4.99 | 419,992 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,018 |
| Satellite Images #1 | 0 | - | 4.47 | 129,357 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,293 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,902 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,913 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,974 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,971 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,569 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,776 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,890 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,092 |
| World Capitals Quiz | 0 | - | 5.00 | 5,070,770 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,471 |
| Himalayan Countries | 0 | - | 4.95 | 137,894 |
| Andean Countries | 0 | - | 4.95 | 84,158 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,375 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,948 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,028 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,477 |
| Danube Countries | 0 | - | 4.97 | 71,771 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,709 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,167 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,861 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,943 |
| European Landlocked Countries | 0 | - | 4.99 | 146,904 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,294 |
| Countries with the Most Species | 0 | - | 4.99 | 103,040 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,444 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,469 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,638 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,401 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,080 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,470 |
| Countries in the Alps | 0 | - | 4.87 | 117,883 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 97,188 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,605 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,506 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,389 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,243 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,801 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,405 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,283 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,044 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,655 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,545 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,388 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,017 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,308 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,311 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,439 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,139 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,643 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,712 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,935 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,527 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,065 |
| Largest Countries By Category | 0 | - | 4.97 | 157,845 |
| Countries by Countries | 0 | - | 4.97 | 62,954 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,384 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,190 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,498 |
| Merged Country Flags | 0 | - | 4.88 | 106,725 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,914 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,754 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,618 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,450 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,339 |
| Merged Countries #2 | 0 | - | 4.96 | 99,034 |
| Merged Countries #6 | 0 | - | 4.90 | 73,235 |
| Merged Countries #7 | 0 | - | 4.93 | 82,584 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,516 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,787 |
| Geography by Picture - A | 0 | - | 4.39 | 60,242 |
| Geography by Picture - D | 0 | - | 4.15 | 45,650 |
| Geography by Picture - F | 0 | - | 4.31 | 50,995 |
| Geography by Picture - G | 0 | - | 4.38 | 47,942 |
| Geography by Picture - J | 0 | - | 4.16 | 38,458 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,065 |
| Geography by Picture - L | 0 | - | 4.37 | 58,952 |
| Geography by Picture - M | 0 | - | 4.14 | 40,454 |
| Geography by Picture - P | 0 | - | 4.24 | 42,430 |
| Geography by Picture - S | 0 | - | 4.38 | 47,036 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,316 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,430 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,811 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,457 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,150 |
| Longest International Borders | 0 | - | 4.99 | 264,866 |
| Countries with Three Borders | 0 | - | 4.96 | 36,513 |
