| All Country Flags of the World | 0 | - | 5.00 | 3,712,916 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,861 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,125 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,401 |
| Flags with Crescents | 0 | - | 4.98 | 171,318 |
| Country Flag Trivia | 0 | - | 4.81 | 58,011 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,881 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,424 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,584 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,937 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,975 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,483 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,332 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,315 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,881 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,183 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,597 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,309 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,635 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,379 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,329 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,334 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,261 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,335 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,126 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,734 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,132 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,088 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,488 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,921 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,067 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,409 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,648 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,732 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,688 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,789 |
| Flags of North and South America | 0 | - | 4.99 | 376,912 |
| Flags to Languages | 0 | - | 4.95 | 174,500 |
| Former Flags | 0 | - | 4.97 | 108,570 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,228 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,020 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,008 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,224 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,791 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,257 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,588 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,343 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,424 |
| Flag Maths | 0 | - | 4.61 | 57,840 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,848 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,177 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,253 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,055 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,643 |
| World Coats of Arms | 0 | - | 4.99 | 65,129 |
| Similar Flags #1 | 0 | - | 4.75 | 130,767 |
| Similar Flags #2 | 0 | - | 4.74 | 138,062 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,556 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,851 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,700 |
| Emoji Flags | 0 | - | 4.35 | 44,287 |
| Countries by Road Signs | 0 | - | 4.98 | 54,341 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,106 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,527 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,341 |
| Select the World Flags | 0 | - | 4.28 | 37,992 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,542 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,164 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,774 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,479 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,528 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,122 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,698 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,398 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,058 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,211 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,004 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,805 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,180 |
| Pixelated World Map | 0 | - | 5.00 | 144,099 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,428 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,671 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,183 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,419 |
| Boundary Waters | 0 | - | 4.92 | 88,759 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,409 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,694 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,339 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,960 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,959 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,387 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,398 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,795 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,370 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,691 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,223 |
| Geography by Picture - B | 0 | - | 4.42 | 55,782 |
| 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 | 41,144 |
| Geography by Picture - T | 0 | - | 4.54 | 57,998 |
| Flags of Oceania | 0 | - | 5.00 | 262,651 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,562 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,449 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,444 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,768 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,461 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,871,839 |
| Flags of WW1 | 0 | - | 4.60 | 38,688 |
| Landlocked Countries | 0 | - | 4.99 | 425,741 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,101 |
| Satellite Images #1 | 0 | - | 4.46 | 129,970 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,667 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,256 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,215 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,192 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,574 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,893 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,920 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,391 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,972 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,994 |
| World Capitals Quiz | 0 | - | 5.00 | 5,105,489 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,203 |
| Himalayan Countries | 0 | - | 4.93 | 140,202 |
| Andean Countries | 0 | - | 4.94 | 85,419 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,570 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,961 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,140 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,414 |
| Danube Countries | 0 | - | 4.97 | 72,374 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,577 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,825 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,094 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,589 |
| European Landlocked Countries | 0 | - | 4.99 | 147,598 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,284 |
| Countries with the Most Species | 0 | - | 4.99 | 103,553 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,394 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,774 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,880 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,834 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,573 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,006 |
| Countries in the Alps | 0 | - | 4.87 | 118,760 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,606 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,841 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,956 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,015 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,938 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,241 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,387 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,854 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,415 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,164 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,862 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,738 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,550 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,776 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,879 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,815 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,601 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 68,583 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,654 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,665 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,118 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,496 |
| Largest Countries By Category | 0 | - | 4.97 | 158,849 |
| Countries by Countries | 0 | - | 4.96 | 63,635 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,249 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,397 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,664 |
| Merged Country Flags | 0 | - | 4.88 | 107,374 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,950 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,421 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,144 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,099 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,826 |
| Merged Countries #2 | 0 | - | 4.96 | 99,878 |
| Merged Countries #4 | 0 | - | 4.81 | 94,118 |
| Merged Countries #6 | 0 | - | 4.90 | 73,805 |
| Merged Countries #7 | 0 | - | 4.93 | 83,146 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,451 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,982 |
| Geography by Picture - A | 0 | - | 4.39 | 60,433 |
| Geography by Picture - D | 0 | - | 4.15 | 45,783 |
| Geography by Picture - F | 0 | - | 4.31 | 51,170 |
| Geography by Picture - G | 0 | - | 4.39 | 48,074 |
| Geography by Picture - J | 0 | - | 4.16 | 38,592 |
| Geography by Picture - K | 0 | - | 4.29 | 33,247 |
| Geography by Picture - C | 0 | - | 4.31 | 57,232 |
| Geography by Picture - L | 0 | - | 4.37 | 59,135 |
| Geography by Picture - M | 0 | - | 4.14 | 40,578 |
| Geography by Picture - P | 0 | - | 4.24 | 42,561 |
| Geography by Picture - S | 0 | - | 4.38 | 47,177 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,795 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,614 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,166 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,070 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,566 |
