| All Country Flags of the World | 0 | - | 5.00 | 3,711,739 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,679 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,039 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,341 |
| Flags with Crescents | 0 | - | 4.98 | 171,283 |
| Country Flag Trivia | 0 | - | 4.81 | 57,988 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,860 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,400 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,559 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,919 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,954 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,462 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,297 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,285 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,846 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,159 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,566 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,278 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,594 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,360 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,304 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,311 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,245 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,316 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,112 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,718 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,118 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,082 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,478 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,911 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,052 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,399 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,633 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,721 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,673 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,783 |
| Flags of North and South America | 0 | - | 4.99 | 376,804 |
| Flags to Languages | 0 | - | 4.95 | 174,485 |
| Former Flags | 0 | - | 4.97 | 108,548 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,223 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,009 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 44,997 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,217 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,701 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,245 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,575 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,314 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,396 |
| Flag Maths | 0 | - | 4.61 | 57,836 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,828 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,166 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,246 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,047 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,639 |
| World Coats of Arms | 0 | - | 4.99 | 65,113 |
| Similar Flags #1 | 0 | - | 4.75 | 130,747 |
| Similar Flags #2 | 0 | - | 4.74 | 138,039 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,537 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,842 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,682 |
| Emoji Flags | 0 | - | 4.35 | 44,283 |
| Countries by Road Signs | 0 | - | 4.98 | 54,335 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,093 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,521 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,304 |
| Select the World Flags | 0 | - | 4.28 | 37,983 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,531 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,159 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,770 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,473 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,521 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,118 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,697 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,392 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,053 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,207 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,984 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,485 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,947 |
| Pixelated World Map | 0 | - | 5.00 | 144,083 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,317 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,659 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,171 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,410 |
| Boundary Waters | 0 | - | 4.92 | 88,754 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,406 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,681 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,325 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,944 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,946 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,366 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,393 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,790 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,358 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,686 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,220 |
| Geography by Picture - B | 0 | - | 4.42 | 55,777 |
| Geography by Picture - H | 0 | - | 4.50 | 58,374 |
| Geography by Picture - N | 0 | - | 4.45 | 42,334 |
| Geography by Picture - R | 0 | - | 4.56 | 41,142 |
| Geography by Picture - T | 0 | - | 4.54 | 57,994 |
| Flags of Oceania | 0 | - | 5.00 | 262,576 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,538 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,432 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,436 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,757 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,455 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,862,949 |
| Flags of WW1 | 0 | - | 4.60 | 38,680 |
| Landlocked Countries | 0 | - | 4.99 | 425,583 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 587,722 |
| Satellite Images #1 | 0 | - | 4.47 | 129,955 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,649 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,194 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,206 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,186 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,553 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,893 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,916 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,377 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,951 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,983 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,793 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,138 |
| Himalayan Countries | 0 | - | 4.93 | 140,147 |
| Andean Countries | 0 | - | 4.94 | 85,384 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,529 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,923 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,105 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,382 |
| Danube Countries | 0 | - | 4.97 | 72,352 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,553 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,803 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,064 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,559 |
| European Landlocked Countries | 0 | - | 4.99 | 147,583 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,259 |
| Countries with the Most Species | 0 | - | 4.99 | 103,545 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,369 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,767 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,873 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,822 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,560 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,987 |
| Countries in the Alps | 0 | - | 4.87 | 118,742 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,564 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,816 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,945 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,001 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,921 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,231 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,371 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,834 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,405 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,154 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,853 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,730 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,539 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,765 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,866 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,774 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,592 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,769 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,636 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,590 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,088 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,490 |
| Largest Countries By Category | 0 | - | 4.97 | 158,822 |
| Countries by Countries | 0 | - | 4.96 | 63,620 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,221 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,389 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,659 |
| Merged Country Flags | 0 | - | 4.88 | 107,360 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,908 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,414 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,137 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,083 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,156 |
| Merged Countries #2 | 0 | - | 4.96 | 99,867 |
| Merged Countries #4 | 0 | - | 4.81 | 94,105 |
| Merged Countries #6 | 0 | - | 4.90 | 73,799 |
| Merged Countries #7 | 0 | - | 4.93 | 83,139 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,441 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,976 |
| Geography by Picture - A | 0 | - | 4.39 | 60,429 |
| Geography by Picture - D | 0 | - | 4.15 | 45,777 |
| Geography by Picture - F | 0 | - | 4.31 | 51,168 |
| Geography by Picture - G | 0 | - | 4.39 | 48,072 |
| Geography by Picture - J | 0 | - | 4.16 | 38,588 |
| Geography by Picture - K | 0 | - | 4.29 | 33,244 |
| Geography by Picture - C | 0 | - | 4.31 | 57,229 |
| Geography by Picture - L | 0 | - | 4.37 | 59,130 |
| Geography by Picture - M | 0 | - | 4.14 | 40,574 |
| Geography by Picture - P | 0 | - | 4.24 | 42,557 |
| Geography by Picture - S | 0 | - | 4.38 | 47,175 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,782 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,614 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,160 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,036 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,557 |
