| All Country Flags of the World | 0 | - | 5.00 | 3,672,371 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,606 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,616 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,936 |
| Flags with Crescents | 0 | - | 4.98 | 169,836 |
| Country Flag Trivia | 0 | - | 4.81 | 57,187 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,968 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,658 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,602 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,387 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,938 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,035 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,240 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,746 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,482 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,593 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,276 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,451 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,720 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,651 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,641 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,674 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,768 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,541 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,201 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,635 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,777 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,182 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,465 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,541 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,881 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,090 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,192 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,040 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,518 |
| Flags of North and South America | 0 | - | 4.99 | 373,710 |
| Flags to Languages | 0 | - | 4.95 | 173,791 |
| Former Flags | 0 | - | 4.97 | 107,850 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,994 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,624 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,554 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,014 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,585 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,820 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,235 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,690 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,712 |
| Flag Maths | 0 | - | 4.64 | 57,775 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,032 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,789 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,017 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,816 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,529 |
| World Coats of Arms | 0 | - | 4.99 | 64,624 |
| Similar Flags #1 | 0 | - | 4.75 | 130,169 |
| Similar Flags #2 | 0 | - | 4.74 | 137,458 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,714 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,907 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,723 |
| Emoji Flags | 0 | - | 4.35 | 44,131 |
| Countries by Road Signs | 0 | - | 4.98 | 53,937 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,679 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,310 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,158 |
| Select the World Flags | 0 | - | 4.27 | 37,799 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,065 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,957 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,511 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,200 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,284 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,968 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,549 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,409 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,812 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,933 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,849 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,267 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,565 |
| Pixelated World Map | 0 | - | 5.00 | 143,517 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,255 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,221 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,629 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,239 |
| Boundary Waters | 0 | - | 4.92 | 88,515 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,215 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,185 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,584 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,532 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,495 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,186 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,093 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,598 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,035 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,494 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,057 |
| Geography by Picture - B | 0 | - | 4.42 | 55,648 |
| Geography by Picture - H | 0 | - | 4.50 | 58,265 |
| Geography by Picture - N | 0 | - | 4.45 | 42,231 |
| Geography by Picture - R | 0 | - | 4.56 | 41,053 |
| Geography by Picture - T | 0 | - | 4.54 | 57,879 |
| Flags of Oceania | 0 | - | 5.00 | 259,907 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,512 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,101 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,951 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,308 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,884 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,525,486 |
| Flags of WW1 | 0 | - | 4.60 | 38,442 |
| Landlocked Countries | 0 | - | 4.99 | 421,260 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,666 |
| Satellite Images #1 | 0 | - | 4.47 | 129,427 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,351 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,956 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,973 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,018 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,095 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,832 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,668 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,936 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,301 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,303 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,990 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,104 |
| Himalayan Countries | 0 | - | 4.95 | 138,405 |
| Andean Countries | 0 | - | 4.93 | 84,423 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,638 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,583 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,269 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,670 |
| Danube Countries | 0 | - | 4.97 | 71,925 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,909 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,336 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,148 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,605 |
| European Landlocked Countries | 0 | - | 4.99 | 147,057 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,503 |
| Countries with the Most Species | 0 | - | 4.99 | 103,164 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,655 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,545 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,689 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,491 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,171 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,582 |
| Countries in the Alps | 0 | - | 4.87 | 118,085 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,575 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,895 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,599 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,527 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,413 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,890 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,575 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,430 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,132 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,778 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,608 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,468 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,149 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,405 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,445 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,720 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,241 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 61,002 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,938 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,571 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,892 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,164 |
| Largest Countries By Category | 0 | - | 4.97 | 158,078 |
| Countries by Countries | 0 | - | 4.96 | 63,114 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,586 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,252 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,540 |
| Merged Country Flags | 0 | - | 4.88 | 106,872 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,359 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,908 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,754 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,598 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,370 |
| Merged Countries #2 | 0 | - | 4.96 | 99,164 |
| Merged Countries #6 | 0 | - | 4.90 | 73,364 |
| Merged Countries #7 | 0 | - | 4.93 | 82,704 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,652 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,828 |
| Geography by Picture - A | 0 | - | 4.39 | 60,296 |
| Geography by Picture - D | 0 | - | 4.15 | 45,686 |
| Geography by Picture - F | 0 | - | 4.31 | 51,046 |
| Geography by Picture - G | 0 | - | 4.39 | 47,980 |
| Geography by Picture - J | 0 | - | 4.16 | 38,493 |
| 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 | 59,012 |
| Geography by Picture - M | 0 | - | 4.14 | 40,488 |
| Geography by Picture - P | 0 | - | 4.24 | 42,460 |
| Geography by Picture - S | 0 | - | 4.38 | 47,069 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,441 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,468 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,891 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,813 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,245 |
| Longest International Borders | 0 | - | 4.99 | 265,079 |
| Countries with Three Borders | 0 | - | 4.96 | 36,571 |
