| All Country Flags of the World | 0 | - | 5.00 | 3,721,681 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,283 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,926 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,932 |
| Flags with Crescents | 0 | - | 4.98 | 171,629 |
| Country Flag Trivia | 0 | - | 4.82 | 58,235 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,104 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,582 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,812 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,090 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,118 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,593 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,548 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,530 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,114 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,308 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,763 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,499 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,835 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,524 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,463 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,495 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,395 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,450 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,242 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,843 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,252 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,173 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,533 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,995 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,154 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,507 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,760 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,842 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,814 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,831 |
| Flags of North and South America | 0 | - | 4.99 | 377,736 |
| Flags to Languages | 0 | - | 4.95 | 174,647 |
| Former Flags | 0 | - | 4.97 | 108,753 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,287 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,105 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,079 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,266 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,977 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,362 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,664 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,476 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,592 |
| Flag Maths | 0 | - | 4.61 | 57,861 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,003 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,243 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,320 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,112 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,676 |
| World Coats of Arms | 0 | - | 4.99 | 65,288 |
| Similar Flags #1 | 0 | - | 4.75 | 130,903 |
| Similar Flags #2 | 0 | - | 4.74 | 138,178 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,711 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,950 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,901 |
| Emoji Flags | 0 | - | 4.35 | 44,315 |
| Countries by Road Signs | 0 | - | 4.98 | 54,421 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,241 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,587 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,583 |
| Select the World Flags | 0 | - | 4.28 | 38,021 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,623 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,205 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,813 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,533 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,577 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,170 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,746 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,509 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,100 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,246 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,111 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,373 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,461 |
| Pixelated World Map | 0 | - | 5.00 | 144,219 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,662 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,765 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,282 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,454 |
| Boundary Waters | 0 | - | 4.92 | 88,821 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,444 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,791 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,488 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,035 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,057 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,572 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,453 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,833 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,423 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,732 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,251 |
| Geography by Picture - B | 0 | - | 4.42 | 55,824 |
| Geography by Picture - H | 0 | - | 4.50 | 58,419 |
| Geography by Picture - N | 0 | - | 4.45 | 42,383 |
| Geography by Picture - R | 0 | - | 4.56 | 41,180 |
| Geography by Picture - T | 0 | - | 4.54 | 58,031 |
| Flags of Oceania | 0 | - | 5.00 | 263,234 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,756 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,617 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,553 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,852 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,574 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,945,342 |
| Flags of WW1 | 0 | - | 4.60 | 38,752 |
| Landlocked Countries | 0 | - | 4.99 | 426,938 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,100 |
| Satellite Images #1 | 0 | - | 4.46 | 130,045 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,742 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,431 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,283 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,249 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,636 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,908 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,973 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,483 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,109 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,145 |
| World Capitals Quiz | 0 | - | 5.00 | 5,111,682 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,764 |
| Himalayan Countries | 0 | - | 4.93 | 140,684 |
| Andean Countries | 0 | - | 4.94 | 85,734 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,855 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,397 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,410 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,639 |
| Danube Countries | 0 | - | 4.97 | 72,516 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,742 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,942 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,371 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,826 |
| European Landlocked Countries | 0 | - | 4.99 | 147,704 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,482 |
| Countries with the Most Species | 0 | - | 4.99 | 103,627 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,581 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,803 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,937 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,902 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,657 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,106 |
| Countries in the Alps | 0 | - | 4.87 | 118,923 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,910 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,059 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,039 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,138 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,088 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,359 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,541 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,969 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,496 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,287 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,938 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,816 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,648 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,899 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,993 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,079 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,698 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,153 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,802 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,155 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,406 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,593 |
| Largest Countries By Category | 0 | - | 4.97 | 159,030 |
| Countries by Countries | 0 | - | 4.97 | 63,778 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,386 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,439 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,698 |
| Merged Country Flags | 0 | - | 4.88 | 107,453 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,312 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,511 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,225 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,195 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,810,082 |
| Merged Countries #2 | 0 | - | 4.96 | 99,939 |
| Merged Countries #4 | 0 | - | 4.81 | 94,172 |
| Merged Countries #6 | 0 | - | 4.90 | 73,874 |
| Merged Countries #7 | 0 | - | 4.93 | 83,218 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,556 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,020 |
| Geography by Picture - A | 0 | - | 4.39 | 60,473 |
| Geography by Picture - D | 0 | - | 4.15 | 45,817 |
| Geography by Picture - F | 0 | - | 4.31 | 51,222 |
| Geography by Picture - G | 0 | - | 4.39 | 48,113 |
| Geography by Picture - J | 0 | - | 4.16 | 38,627 |
| Geography by Picture - K | 0 | - | 4.29 | 33,284 |
| Geography by Picture - C | 0 | - | 4.31 | 57,270 |
| Geography by Picture - L | 0 | - | 4.37 | 59,164 |
| Geography by Picture - M | 0 | - | 4.14 | 40,606 |
| Geography by Picture - P | 0 | - | 4.24 | 42,595 |
| Geography by Picture - S | 0 | - | 4.38 | 47,201 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,861 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,651 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,226 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,327 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,633 |
