| All Country Flags of the World | 0 | - | 5.00 | 3,714,586 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,115 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,259 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,492 |
| Flags with Crescents | 0 | - | 4.98 | 171,373 |
| Country Flag Trivia | 0 | - | 4.81 | 58,042 |
| 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 | 88,616 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,960 |
| 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 | 146,365 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,358 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,930 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,203 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,627 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,347 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,674 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,417 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,358 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,366 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,293 |
| 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 | 98,160 |
| 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 | 47,934 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,083 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,425 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,669 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,747 |
| 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 | 377,072 |
| Flags to Languages | 0 | - | 4.95 | 174,525 |
| Former Flags | 0 | - | 4.97 | 108,600 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,240 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,039 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,015 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,232 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,028 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,274 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,604 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,373 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,441 |
| Flag Maths | 0 | - | 4.61 | 57,847 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,874 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,191 |
| 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 | 65,162 |
| Similar Flags #1 | 0 | - | 4.75 | 130,805 |
| Similar Flags #2 | 0 | - | 4.74 | 138,086 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,592 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,869 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,727 |
| 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 | 62,124 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,540 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,377 |
| Select the World Flags | 0 | - | 4.28 | 37,996 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,557 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,166 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,781 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,492 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,539 |
| 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 | 119,420 |
| 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 | 1,258,256 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,429 |
| Pixelated World Map | 0 | - | 5.00 | 144,116 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,666 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,694 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,207 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,424 |
| Boundary Waters | 0 | - | 4.92 | 88,769 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,416 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,710 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,357 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,974 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,979 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,414 |
| 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 | 72,377 |
| 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 | 58,382 |
| 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 | 262,742 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,606 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,463 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,465 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,784 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,478 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,885,964 |
| Flags of WW1 | 0 | - | 4.60 | 38,696 |
| Landlocked Countries | 0 | - | 4.99 | 425,964 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,684 |
| Satellite Images #1 | 0 | - | 4.46 | 130,000 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,693 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,381 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,241 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,218 |
| 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 | 73,932 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,407 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,998 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,016 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,596 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,330 |
| Himalayan Countries | 0 | - | 4.93 | 140,288 |
| Andean Countries | 0 | - | 4.94 | 85,491 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,634 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,032 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,204 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,455 |
| Danube Countries | 0 | - | 4.97 | 72,409 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,607 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,851 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,148 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,633 |
| European Landlocked Countries | 0 | - | 4.99 | 147,617 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,317 |
| Countries with the Most Species | 0 | - | 4.99 | 103,573 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,428 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,780 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,889 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,845 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,586 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,025 |
| Countries in the Alps | 0 | - | 4.87 | 118,789 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,658 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,884 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,970 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,036 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,969 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,268 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,418 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,873 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,431 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,186 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,887 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,752 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,566 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,806 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,900 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,871 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,623 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,149 |
| 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 | 245,760 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,178 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,515 |
| Largest Countries By Category | 0 | - | 4.97 | 158,880 |
| Countries by Countries | 0 | - | 4.96 | 63,651 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,279 |
| 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 | 107,384 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,011 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,440 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,159 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,113 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,946 |
| 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 | 83,158 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,461 |
| 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 | 82,806 |
| 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 | 210,111 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,578 |
