| All Country Flags of the World | 0 | - | 5.00 | 3,671,625 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,461 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,547 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,881 |
| Flags with Crescents | 0 | - | 4.98 | 169,809 |
| Country Flag Trivia | 0 | - | 4.81 | 57,173 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,953 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,653 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,584 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,379 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,924 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,017 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,225 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,731 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,470 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,579 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,262 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,425 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,709 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,640 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,632 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,664 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,761 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,533 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,192 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,625 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,773 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,173 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,460 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,536 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,874 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,079 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,180 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,028 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,515 |
| Flags of North and South America | 0 | - | 4.99 | 373,656 |
| Flags to Languages | 0 | - | 4.95 | 173,776 |
| Former Flags | 0 | - | 4.97 | 107,841 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,992 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,616 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,547 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,006 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,519 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,812 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,229 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,684 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,698 |
| Flag Maths | 0 | - | 4.64 | 57,774 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,010 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,785 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,011 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,810 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,527 |
| World Coats of Arms | 0 | - | 4.99 | 64,615 |
| Similar Flags #1 | 0 | - | 4.75 | 130,156 |
| Similar Flags #2 | 0 | - | 4.74 | 137,448 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,698 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,900 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,697 |
| Emoji Flags | 0 | - | 4.35 | 44,127 |
| Countries by Road Signs | 0 | - | 4.98 | 53,924 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,674 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,309 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,133 |
| Select the World Flags | 0 | - | 4.27 | 37,792 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,056 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,954 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,506 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,192 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,279 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,963 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,544 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,230 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,793 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,925 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,836 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,038 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,468 |
| Pixelated World Map | 0 | - | 5.00 | 143,499 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,162 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,213 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,616 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,236 |
| Boundary Waters | 0 | - | 4.92 | 88,511 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,207 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,180 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,571 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,525 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,486 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,177 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,089 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,581 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,013 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,477 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,042 |
| Geography by Picture - B | 0 | - | 4.42 | 55,647 |
| Geography by Picture - H | 0 | - | 4.50 | 58,264 |
| Geography by Picture - N | 0 | - | 4.45 | 42,230 |
| Geography by Picture - R | 0 | - | 4.56 | 41,051 |
| Geography by Picture - T | 0 | - | 4.54 | 57,877 |
| Flags of Oceania | 0 | - | 5.00 | 259,853 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,492 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,095 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,940 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,301 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,873 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,518,445 |
| Flags of WW1 | 0 | - | 4.60 | 38,436 |
| Landlocked Countries | 0 | - | 4.99 | 421,195 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,396 |
| Satellite Images #1 | 0 | - | 4.47 | 129,422 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,348 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,953 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,970 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,015 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,089 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,832 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,663 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,923 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,287 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,290 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,517 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,056 |
| Himalayan Countries | 0 | - | 4.95 | 138,368 |
| Andean Countries | 0 | - | 4.93 | 84,403 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,624 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,546 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,250 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,653 |
| Danube Countries | 0 | - | 4.97 | 71,917 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,896 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,321 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,133 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,594 |
| European Landlocked Countries | 0 | - | 4.99 | 147,045 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,482 |
| Countries with the Most Species | 0 | - | 4.99 | 103,158 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,642 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,540 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,682 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,483 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,164 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,574 |
| Countries in the Alps | 0 | - | 4.87 | 118,071 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,511 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,875 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,592 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,517 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,405 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,882 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,566 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,422 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,123 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,771 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,600 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,462 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,138 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,401 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,437 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,708 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,232 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 60,070 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,919 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,532 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,870 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,154 |
| Largest Countries By Category | 0 | - | 4.97 | 158,058 |
| Countries by Countries | 0 | - | 4.96 | 63,102 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,573 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,247 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,538 |
| Merged Country Flags | 0 | - | 4.88 | 106,866 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,329 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,902 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,745 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,586 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,782 |
| Merged Countries #2 | 0 | - | 4.96 | 99,153 |
| Merged Countries #6 | 0 | - | 4.90 | 73,359 |
| Merged Countries #7 | 0 | - | 4.93 | 82,697 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,645 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,825 |
| Geography by Picture - A | 0 | - | 4.39 | 60,294 |
| Geography by Picture - D | 0 | - | 4.15 | 45,686 |
| Geography by Picture - F | 0 | - | 4.31 | 51,044 |
| Geography by Picture - G | 0 | - | 4.39 | 47,979 |
| Geography by Picture - J | 0 | - | 4.16 | 38,492 |
| Geography by Picture - K | 0 | - | 4.29 | 33,157 |
| Geography by Picture - C | 0 | - | 4.31 | 57,111 |
| Geography by Picture - L | 0 | - | 4.37 | 59,010 |
| Geography by Picture - M | 0 | - | 4.14 | 40,488 |
| Geography by Picture - P | 0 | - | 4.24 | 42,457 |
| Geography by Picture - S | 0 | - | 4.38 | 47,069 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,429 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,467 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,887 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,791 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,239 |
| Longest International Borders | 0 | - | 4.99 | 265,056 |
| Countries with Three Borders | 0 | - | 4.96 | 36,569 |
