| All Country Flags of the World | 0 | - | 5.00 | 3,717,121 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,509 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,499 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,646 |
| Flags with Crescents | 0 | - | 4.98 | 171,458 |
| Country Flag Trivia | 0 | - | 4.82 | 58,127 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,974 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,498 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,686 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,999 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,043 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,529 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,426 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,419 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,989 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,239 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,672 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,397 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,741 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,461 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,394 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,409 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,335 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,396 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,183 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,782 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,199 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,129 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,513 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,960 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,105 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,453 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,701 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,773 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,741 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,805 |
| Flags of North and South America | 0 | - | 4.99 | 377,323 |
| Flags to Languages | 0 | - | 4.95 | 174,568 |
| Former Flags | 0 | - | 4.97 | 108,650 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,258 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,062 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,039 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,242 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,423 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,303 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,627 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,415 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,497 |
| Flag Maths | 0 | - | 4.61 | 57,854 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,907 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,204 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,283 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,076 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,654 |
| World Coats of Arms | 0 | - | 4.99 | 65,205 |
| Similar Flags #1 | 0 | - | 4.75 | 130,838 |
| Similar Flags #2 | 0 | - | 4.74 | 138,113 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,628 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,901 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,776 |
| Emoji Flags | 0 | - | 4.35 | 44,300 |
| Countries by Road Signs | 0 | - | 4.98 | 54,383 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,157 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,557 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,450 |
| Select the World Flags | 0 | - | 4.28 | 38,002 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,587 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,184 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,800 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,508 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,551 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,141 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,718 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,453 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,076 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,230 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,039 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,056 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,813 |
| Pixelated World Map | 0 | - | 5.00 | 144,142 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,087 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,717 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,237 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,434 |
| Boundary Waters | 0 | - | 4.92 | 88,788 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,428 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,741 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,393 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,996 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,009 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,469 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,427 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,812 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,398 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,709 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,237 |
| Geography by Picture - B | 0 | - | 4.42 | 55,790 |
| Geography by Picture - H | 0 | - | 4.50 | 58,396 |
| Geography by Picture - N | 0 | - | 4.45 | 42,356 |
| Geography by Picture - R | 0 | - | 4.56 | 41,159 |
| Geography by Picture - T | 0 | - | 4.54 | 58,013 |
| Flags of Oceania | 0 | - | 5.00 | 262,933 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,661 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,499 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,486 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,805 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,512 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,908,757 |
| Flags of WW1 | 0 | - | 4.60 | 38,723 |
| Landlocked Countries | 0 | - | 4.99 | 426,332 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,604 |
| Satellite Images #1 | 0 | - | 4.46 | 130,020 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,716 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,414 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,262 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,238 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,606 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,899 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,944 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,435 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,043 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,057 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,596 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,471 |
| Himalayan Countries | 0 | - | 4.93 | 140,420 |
| Andean Countries | 0 | - | 4.94 | 85,563 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,716 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,158 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,276 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,518 |
| Danube Countries | 0 | - | 4.97 | 72,453 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,663 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,885 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,228 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,700 |
| European Landlocked Countries | 0 | - | 4.99 | 147,646 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,366 |
| Countries with the Most Species | 0 | - | 4.99 | 103,593 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,472 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,904 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,868 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,604 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,053 |
| Countries in the Alps | 0 | - | 4.87 | 118,834 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,739 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,958 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,993 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,069 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,008 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,298 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,454 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,901 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,453 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,219 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,905 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,769 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,590 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,832 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,925 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,938 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,645 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,996 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,722 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,887 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,249 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,543 |
| Largest Countries By Category | 0 | - | 4.97 | 158,927 |
| Countries by Countries | 0 | - | 4.96 | 63,687 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,309 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,420 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,685 |
| Merged Country Flags | 0 | - | 4.88 | 107,410 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,116 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,459 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,181 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,132 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,920 |
| Merged Countries #2 | 0 | - | 4.96 | 99,902 |
| Merged Countries #4 | 0 | - | 4.81 | 94,144 |
| Merged Countries #6 | 0 | - | 4.90 | 73,835 |
| Merged Countries #7 | 0 | - | 4.93 | 83,173 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,500 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,994 |
| Geography by Picture - A | 0 | - | 4.39 | 60,447 |
| Geography by Picture - D | 0 | - | 4.15 | 45,795 |
| Geography by Picture - F | 0 | - | 4.31 | 51,194 |
| Geography by Picture - G | 0 | - | 4.39 | 48,089 |
| Geography by Picture - J | 0 | - | 4.16 | 38,608 |
| Geography by Picture - K | 0 | - | 4.29 | 33,259 |
| Geography by Picture - C | 0 | - | 4.31 | 57,247 |
| Geography by Picture - L | 0 | - | 4.37 | 59,150 |
| Geography by Picture - M | 0 | - | 4.14 | 40,594 |
| Geography by Picture - P | 0 | - | 4.24 | 42,578 |
| Geography by Picture - S | 0 | - | 4.38 | 47,191 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,825 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,626 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,190 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,197 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,591 |
