| All Country Flags of the World | 0 | - | 5.00 | 3,670,890 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,315 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,468 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,827 |
| Flags with Crescents | 0 | - | 4.98 | 169,794 |
| Country Flag Trivia | 0 | - | 4.81 | 57,161 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,938 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,636 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,571 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,370 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,911 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,999 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,208 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,709 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,463 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,572 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,247 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,406 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,697 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,634 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,615 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,649 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,747 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,521 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,180 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,614 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,769 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,170 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,451 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,528 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,865 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,073 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,171 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,009 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,511 |
| Flags of North and South America | 0 | - | 4.99 | 373,594 |
| Flags to Languages | 0 | - | 4.95 | 173,759 |
| Former Flags | 0 | - | 4.97 | 107,833 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,985 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,610 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,536 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,002 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,435 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,802 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,223 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,666 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,680 |
| Flag Maths | 0 | - | 4.64 | 57,774 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,992 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,773 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,004 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,807 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,525 |
| World Coats of Arms | 0 | - | 4.99 | 64,609 |
| Similar Flags #1 | 0 | - | 4.75 | 130,143 |
| Similar Flags #2 | 0 | - | 4.74 | 137,432 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,682 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,892 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,661 |
| Emoji Flags | 0 | - | 4.35 | 44,124 |
| Countries by Road Signs | 0 | - | 4.98 | 53,895 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,671 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,304 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,101 |
| Select the World Flags | 0 | - | 4.27 | 37,788 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,049 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,950 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,498 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,184 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,271 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,962 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,540 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,029 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,772 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,923 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,821 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,245,809 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,356 |
| Pixelated World Map | 0 | - | 5.00 | 143,492 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,068 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,203 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,607 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,232 |
| Boundary Waters | 0 | - | 4.92 | 88,508 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,201 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,169 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,559 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,515 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,476 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,169 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,087 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,565 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,981 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,462 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,030 |
| Geography by Picture - B | 0 | - | 4.42 | 55,644 |
| Geography by Picture - H | 0 | - | 4.50 | 58,263 |
| Geography by Picture - N | 0 | - | 4.45 | 42,227 |
| Geography by Picture - R | 0 | - | 4.56 | 41,049 |
| Geography by Picture - T | 0 | - | 4.54 | 57,877 |
| Flags of Oceania | 0 | - | 5.00 | 259,809 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,476 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,090 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,929 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,289 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,855 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,511,623 |
| Flags of WW1 | 0 | - | 4.60 | 38,431 |
| Landlocked Countries | 0 | - | 4.99 | 421,123 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,201 |
| Satellite Images #1 | 0 | - | 4.47 | 129,418 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,345 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,952 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,965 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,012 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,076 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,831 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,656 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,916 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,267 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,282 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,028 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,030 |
| Himalayan Countries | 0 | - | 4.95 | 138,344 |
| Andean Countries | 0 | - | 4.93 | 84,389 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,610 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,530 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,240 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,646 |
| Danube Countries | 0 | - | 4.97 | 71,910 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,887 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,314 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,125 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,582 |
| European Landlocked Countries | 0 | - | 4.99 | 147,041 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,154 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,627 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,537 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,679 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,477 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,157 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,570 |
| Countries in the Alps | 0 | - | 4.87 | 118,056 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,444 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,856 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,586 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,393 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,877 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,556 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,415 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,119 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,761 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,589 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,455 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,127 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,395 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,425 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,684 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,227 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,731 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,907 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,503 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,841 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,151 |
| Largest Countries By Category | 0 | - | 4.97 | 158,035 |
| Countries by Countries | 0 | - | 4.96 | 63,093 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,559 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,242 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,535 |
| Merged Country Flags | 0 | - | 4.88 | 106,858 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,305 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,889 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,732 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,579 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,226 |
| Merged Countries #2 | 0 | - | 4.96 | 99,144 |
| Merged Countries #6 | 0 | - | 4.90 | 73,351 |
| Merged Countries #7 | 0 | - | 4.93 | 82,688 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,635 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,824 |
| Geography by Picture - A | 0 | - | 4.39 | 60,294 |
| Geography by Picture - D | 0 | - | 4.15 | 45,685 |
| Geography by Picture - F | 0 | - | 4.31 | 51,043 |
| Geography by Picture - G | 0 | - | 4.39 | 47,977 |
| Geography by Picture - J | 0 | - | 4.16 | 38,491 |
| Geography by Picture - K | 0 | - | 4.29 | 33,157 |
| Geography by Picture - C | 0 | - | 4.31 | 57,109 |
| Geography by Picture - L | 0 | - | 4.37 | 59,004 |
| Geography by Picture - M | 0 | - | 4.14 | 40,487 |
| Geography by Picture - P | 0 | - | 4.24 | 42,457 |
| Geography by Picture - S | 0 | - | 4.38 | 47,067 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,420 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,465 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,881 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,764 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,234 |
| Longest International Borders | 0 | - | 4.99 | 265,039 |
| Countries with Three Borders | 0 | - | 4.96 | 36,564 |
