| All Country Flags of the World | 0 | - | 5.00 | 3,714,439 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,101 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,247 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,481 |
| Flags with Crescents | 0 | - | 4.98 | 171,367 |
| Country Flag Trivia | 0 | - | 4.81 | 58,041 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,920 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,446 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,613 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,959 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,998 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,499 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,362 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,355 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,929 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,202 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,625 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,346 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,672 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,413 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,357 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,366 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,292 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,361 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,146 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,751 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,159 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,102 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,497 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,933 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,081 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,423 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,668 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,746 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,709 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,794 |
| Flags of North and South America | 0 | - | 4.99 | 377,066 |
| Flags to Languages | 0 | - | 4.95 | 174,523 |
| Former Flags | 0 | - | 4.97 | 108,595 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,240 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,038 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,015 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,231 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,021 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,273 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,603 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,372 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,441 |
| Flag Maths | 0 | - | 4.61 | 57,847 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,872 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,189 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,266 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,067 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,647 |
| World Coats of Arms | 0 | - | 4.99 | 65,161 |
| Similar Flags #1 | 0 | - | 4.75 | 130,801 |
| Similar Flags #2 | 0 | - | 4.74 | 138,085 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,590 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,867 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,726 |
| Emoji Flags | 0 | - | 4.35 | 44,293 |
| Countries by Road Signs | 0 | - | 4.98 | 54,352 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,123 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,539 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,375 |
| Select the World Flags | 0 | - | 4.28 | 37,995 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,555 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,166 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,779 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,489 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,537 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,132 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,704 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,416 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,063 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,222 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,020 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,225 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,421 |
| Pixelated World Map | 0 | - | 5.00 | 144,115 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,656 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,694 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,206 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,424 |
| Boundary Waters | 0 | - | 4.92 | 88,768 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,412 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,707 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,355 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,974 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,978 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,411 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,404 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,798 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,376 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,697 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,227 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,381 |
| Geography by Picture - N | 0 | - | 4.45 | 42,339 |
| Geography by Picture - R | 0 | - | 4.56 | 41,147 |
| Geography by Picture - T | 0 | - | 4.54 | 58,000 |
| Flags of Oceania | 0 | - | 5.00 | 262,741 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,601 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,462 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,463 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,781 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,477 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,884,949 |
| Flags of WW1 | 0 | - | 4.60 | 38,696 |
| Landlocked Countries | 0 | - | 4.99 | 425,946 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,613 |
| Satellite Images #1 | 0 | - | 4.46 | 129,997 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,692 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,373 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,239 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,215 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,588 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,896 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,931 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,407 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,993 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,016 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,523 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,315 |
| Himalayan Countries | 0 | - | 4.93 | 140,281 |
| Andean Countries | 0 | - | 4.94 | 85,489 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,631 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,027 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,199 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,453 |
| Danube Countries | 0 | - | 4.97 | 72,405 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,605 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,850 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,147 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,629 |
| European Landlocked Countries | 0 | - | 4.99 | 147,615 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,317 |
| Countries with the Most Species | 0 | - | 4.99 | 103,572 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,427 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,779 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,889 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,842 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,584 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,025 |
| Countries in the Alps | 0 | - | 4.87 | 118,788 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,649 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,882 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,969 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,035 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,968 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,266 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,417 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,872 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,430 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,184 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,885 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,750 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,565 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,805 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,899 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,870 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,623 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 72,827 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,681 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,756 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,174 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,511 |
| Largest Countries By Category | 0 | - | 4.97 | 158,878 |
| Countries by Countries | 0 | - | 4.96 | 63,649 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,277 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,401 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,674 |
| Merged Country Flags | 0 | - | 4.88 | 107,383 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,007 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,438 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,158 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,111 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,895 |
| Merged Countries #2 | 0 | - | 4.96 | 99,885 |
| Merged Countries #4 | 0 | - | 4.81 | 94,129 |
| Merged Countries #6 | 0 | - | 4.90 | 73,813 |
| Merged Countries #7 | 0 | - | 4.93 | 83,157 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,460 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,988 |
| Geography by Picture - A | 0 | - | 4.39 | 60,437 |
| Geography by Picture - D | 0 | - | 4.15 | 45,789 |
| Geography by Picture - F | 0 | - | 4.31 | 51,177 |
| Geography by Picture - G | 0 | - | 4.39 | 48,081 |
| Geography by Picture - J | 0 | - | 4.16 | 38,596 |
| Geography by Picture - K | 0 | - | 4.29 | 33,249 |
| Geography by Picture - C | 0 | - | 4.31 | 57,238 |
| Geography by Picture - L | 0 | - | 4.37 | 59,138 |
| Geography by Picture - M | 0 | - | 4.14 | 40,582 |
| Geography by Picture - P | 0 | - | 4.24 | 42,568 |
| Geography by Picture - S | 0 | - | 4.38 | 47,181 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,804 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,618 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,173 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,105 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,577 |
