| All Country Flags of the World | 0 | - | 5.00 | 3,713,594 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,970 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,189 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,437 |
| Flags with Crescents | 0 | - | 4.98 | 171,344 |
| Country Flag Trivia | 0 | - | 4.81 | 58,025 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,899 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,435 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,596 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,945 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,985 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,492 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,346 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,329 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,899 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,189 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,606 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,321 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,648 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,396 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,340 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,348 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,271 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,345 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,136 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,744 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,142 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,095 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,493 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,930 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,074 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,414 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,657 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,740 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,697 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,791 |
| Flags of North and South America | 0 | - | 4.99 | 376,962 |
| Flags to Languages | 0 | - | 4.95 | 174,512 |
| Former Flags | 0 | - | 4.97 | 108,578 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,236 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,025 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,011 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,230 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,879 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,261 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,592 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,355 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,426 |
| Flag Maths | 0 | - | 4.61 | 57,844 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,863 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,184 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,258 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,061 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,646 |
| World Coats of Arms | 0 | - | 4.99 | 65,144 |
| Similar Flags #1 | 0 | - | 4.75 | 130,777 |
| Similar Flags #2 | 0 | - | 4.74 | 138,070 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,576 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,857 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,720 |
| Emoji Flags | 0 | - | 4.35 | 44,290 |
| Countries by Road Signs | 0 | - | 4.98 | 54,348 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,113 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,532 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,354 |
| Select the World Flags | 0 | - | 4.28 | 37,992 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,547 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,165 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,778 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,482 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,531 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,127 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,699 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,408 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,061 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,215 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,011 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,980 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,288 |
| Pixelated World Map | 0 | - | 5.00 | 144,110 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,517 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,681 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,189 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,419 |
| Boundary Waters | 0 | - | 4.92 | 88,762 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,411 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,699 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,347 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,967 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,970 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,398 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,400 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,796 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,373 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,695 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,225 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,378 |
| Geography by Picture - N | 0 | - | 4.45 | 42,337 |
| Geography by Picture - R | 0 | - | 4.56 | 41,145 |
| Geography by Picture - T | 0 | - | 4.54 | 57,998 |
| Flags of Oceania | 0 | - | 5.00 | 262,697 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,583 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,457 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,453 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,775 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,471 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,877,663 |
| Flags of WW1 | 0 | - | 4.60 | 38,692 |
| Landlocked Countries | 0 | - | 4.99 | 425,845 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,333 |
| Satellite Images #1 | 0 | - | 4.46 | 129,980 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,676 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,306 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,223 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,203 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,579 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,895 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,925 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,395 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,976 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,006 |
| World Capitals Quiz | 0 | - | 5.00 | 5,105,960 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,255 |
| Himalayan Countries | 0 | - | 4.93 | 140,235 |
| Andean Countries | 0 | - | 4.94 | 85,454 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,605 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,998 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,163 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,434 |
| Danube Countries | 0 | - | 4.97 | 72,389 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,593 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,841 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,116 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,609 |
| European Landlocked Countries | 0 | - | 4.99 | 147,601 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,297 |
| Countries with the Most Species | 0 | - | 4.99 | 103,562 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,404 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,775 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,886 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,838 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,576 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,014 |
| Countries in the Alps | 0 | - | 4.87 | 118,772 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,628 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,860 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,961 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,022 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,952 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,251 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,401 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,863 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,422 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,178 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,871 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,744 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,559 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,794 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,888 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,834 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,610 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 70,769 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,666 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,702 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,145 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,505 |
| Largest Countries By Category | 0 | - | 4.97 | 158,863 |
| Countries by Countries | 0 | - | 4.96 | 63,641 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,261 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,400 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,670 |
| Merged Country Flags | 0 | - | 4.88 | 107,378 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,975 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,433 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,150 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,107 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,301 |
| Merged Countries #2 | 0 | - | 4.96 | 99,880 |
| Merged Countries #4 | 0 | - | 4.81 | 94,121 |
| Merged Countries #6 | 0 | - | 4.90 | 73,811 |
| Merged Countries #7 | 0 | - | 4.93 | 83,149 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,456 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,986 |
| Geography by Picture - A | 0 | - | 4.39 | 60,435 |
| Geography by Picture - D | 0 | - | 4.15 | 45,786 |
| Geography by Picture - F | 0 | - | 4.31 | 51,171 |
| Geography by Picture - G | 0 | - | 4.39 | 48,074 |
| Geography by Picture - J | 0 | - | 4.16 | 38,593 |
| Geography by Picture - K | 0 | - | 4.29 | 33,247 |
| Geography by Picture - C | 0 | - | 4.31 | 57,236 |
| Geography by Picture - L | 0 | - | 4.37 | 59,136 |
| Geography by Picture - M | 0 | - | 4.14 | 40,579 |
| Geography by Picture - P | 0 | - | 4.24 | 42,565 |
| Geography by Picture - S | 0 | - | 4.38 | 47,178 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,801 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,614 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,167 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,085 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,575 |
