| All Country Flags of the World | 0 | - | 5.00 | 3,718,157 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,684 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,593 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,717 |
| Flags with Crescents | 0 | - | 4.98 | 171,499 |
| Country Flag Trivia | 0 | - | 4.82 | 58,161 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,014 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,514 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,714 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,037 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,063 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,544 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,448 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,447 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,025 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,258 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,694 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,416 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,762 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,475 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,415 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,423 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,349 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,417 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,202 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,803 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,215 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,141 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,524 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,975 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,113 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,464 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,713 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,784 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,754 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,811 |
| Flags of North and South America | 0 | - | 4.99 | 377,412 |
| Flags to Languages | 0 | - | 4.95 | 174,586 |
| Former Flags | 0 | - | 4.97 | 108,673 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,263 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,068 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,049 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,247 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,618 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,318 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,634 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,433 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,522 |
| Flag Maths | 0 | - | 4.61 | 57,856 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,932 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,219 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,295 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,086 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,657 |
| World Coats of Arms | 0 | - | 4.99 | 65,229 |
| Similar Flags #1 | 0 | - | 4.75 | 130,861 |
| Similar Flags #2 | 0 | - | 4.74 | 138,124 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,648 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,910 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,806 |
| Emoji Flags | 0 | - | 4.35 | 44,302 |
| Countries by Road Signs | 0 | - | 4.98 | 54,392 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,188 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,560 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,486 |
| Select the World Flags | 0 | - | 4.28 | 38,011 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,595 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,186 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,802 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,516 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,559 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,147 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,725 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,462 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,082 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,233 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,055 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,374 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,969 |
| Pixelated World Map | 0 | - | 5.00 | 144,152 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,236 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,729 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,247 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,438 |
| Boundary Waters | 0 | - | 4.92 | 88,794 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,755 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,408 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,005 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,021 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,498 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,437 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,816 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,405 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,714 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,243 |
| Geography by Picture - B | 0 | - | 4.42 | 55,800 |
| Geography by Picture - H | 0 | - | 4.50 | 58,404 |
| Geography by Picture - N | 0 | - | 4.45 | 42,362 |
| Geography by Picture - R | 0 | - | 4.56 | 41,167 |
| Geography by Picture - T | 0 | - | 4.54 | 58,021 |
| Flags of Oceania | 0 | - | 5.00 | 263,020 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,684 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,528 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,496 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,810 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,526 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,917,131 |
| Flags of WW1 | 0 | - | 4.60 | 38,728 |
| Landlocked Countries | 0 | - | 4.99 | 426,493 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,910 |
| Satellite Images #1 | 0 | - | 4.46 | 130,028 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,720 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,419 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,269 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,243 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,609 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,902 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,950 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,446 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,056 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,085 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,315 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,528 |
| Himalayan Countries | 0 | - | 4.93 | 140,463 |
| Andean Countries | 0 | - | 4.94 | 85,604 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,740 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,197 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,305 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,542 |
| Danube Countries | 0 | - | 4.97 | 72,466 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,676 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,896 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,254 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,727 |
| European Landlocked Countries | 0 | - | 4.99 | 147,665 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,391 |
| Countries with the Most Species | 0 | - | 4.99 | 103,603 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,501 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,790 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,910 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,875 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,614 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,065 |
| Countries in the Alps | 0 | - | 4.87 | 118,851 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,782 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,985 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,009 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,087 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,033 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,318 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,469 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,914 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,462 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,227 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,910 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,780 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,602 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,843 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,944 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,972 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,654 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,455 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,741 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,934 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,285 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,550 |
| Largest Countries By Category | 0 | - | 4.97 | 158,946 |
| Countries by Countries | 0 | - | 4.96 | 63,705 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,325 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,424 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,688 |
| Merged Country Flags | 0 | - | 4.88 | 107,421 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,150 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,468 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,188 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,147 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,594 |
| Merged Countries #2 | 0 | - | 4.96 | 99,911 |
| Merged Countries #4 | 0 | - | 4.81 | 94,151 |
| Merged Countries #6 | 0 | - | 4.90 | 73,845 |
| Merged Countries #7 | 0 | - | 4.93 | 83,180 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,516 |
| Western Europe Map Quiz | 0 | - | 4.85 | 94,008 |
| Geography by Picture - A | 0 | - | 4.39 | 60,453 |
| Geography by Picture - D | 0 | - | 4.15 | 45,799 |
| Geography by Picture - F | 0 | - | 4.31 | 51,200 |
| Geography by Picture - G | 0 | - | 4.39 | 48,095 |
| Geography by Picture - J | 0 | - | 4.16 | 38,614 |
| Geography by Picture - K | 0 | - | 4.29 | 33,262 |
| Geography by Picture - C | 0 | - | 4.31 | 57,253 |
| Geography by Picture - L | 0 | - | 4.37 | 59,154 |
| Geography by Picture - M | 0 | - | 4.14 | 40,596 |
| Geography by Picture - P | 0 | - | 4.24 | 42,582 |
| Geography by Picture - S | 0 | - | 4.38 | 47,193 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,837 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,628 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,194 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,230 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,601 |
