| All Country Flags of the World | 0 | - | 5.00 | 3,706,336 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,513 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,512 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,005 |
| Flags with Crescents | 0 | - | 4.98 | 171,127 |
| Country Flag Trivia | 0 | - | 4.81 | 57,867 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,739 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,295 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,408 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,832 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,861 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,395 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,139 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,159 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,699 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,072 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,444 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,162 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,457 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,283 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,225 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,221 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,174 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,251 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,037 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,648 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,071 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,042 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,437 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,853 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,990 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,335 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,565 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,645 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,594 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,757 |
| Flags of North and South America | 0 | - | 4.99 | 376,369 |
| Flags to Languages | 0 | - | 4.95 | 174,391 |
| Former Flags | 0 | - | 4.97 | 108,424 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,198 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,962 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,941 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,187 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,990 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,191 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,522 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,222 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,313 |
| Flag Maths | 0 | - | 4.61 | 57,825 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,715 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,108 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,214 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,015 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,616 |
| World Coats of Arms | 0 | - | 4.99 | 65,044 |
| Similar Flags #1 | 0 | - | 4.75 | 130,664 |
| Similar Flags #2 | 0 | - | 4.74 | 137,966 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,406 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,762 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,575 |
| Emoji Flags | 0 | - | 4.35 | 44,262 |
| Countries by Road Signs | 0 | - | 4.98 | 54,287 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,004 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,470 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,164 |
| Select the World Flags | 0 | - | 4.28 | 37,955 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,463 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,125 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,730 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,443 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,486 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,097 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,683 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,295 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,030 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,182 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,871 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,725 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,112 |
| Pixelated World Map | 0 | - | 5.00 | 143,993 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,584 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,606 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,111 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,383 |
| Boundary Waters | 0 | - | 4.92 | 88,725 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,378 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,606 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,220 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,875 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,884 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,248 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,366 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,776 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,321 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,660 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,208 |
| Geography by Picture - B | 0 | - | 4.42 | 55,754 |
| Geography by Picture - H | 0 | - | 4.50 | 58,356 |
| Geography by Picture - N | 0 | - | 4.45 | 42,327 |
| Geography by Picture - R | 0 | - | 4.56 | 41,127 |
| Geography by Picture - T | 0 | - | 4.54 | 57,977 |
| Flags of Oceania | 0 | - | 5.00 | 262,229 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,403 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,380 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,376 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,695 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,373 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,812,046 |
| Flags of WW1 | 0 | - | 4.60 | 38,646 |
| Landlocked Countries | 0 | - | 4.99 | 424,859 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,977 |
| Satellite Images #1 | 0 | - | 4.47 | 129,921 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,610 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,172 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,185 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,171 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,494 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,888 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,882 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,323 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,860 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,886 |
| World Capitals Quiz | 0 | - | 5.00 | 5,101,172 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,802 |
| Himalayan Countries | 0 | - | 4.93 | 139,890 |
| Andean Countries | 0 | - | 4.94 | 85,243 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,418 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,747 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,985 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,289 |
| Danube Countries | 0 | - | 4.97 | 72,298 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,453 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,742 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,924 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,422 |
| European Landlocked Countries | 0 | - | 4.99 | 147,498 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,143 |
| Countries with the Most Species | 0 | - | 4.99 | 103,508 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,289 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,725 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,837 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,772 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,507 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,936 |
| Countries in the Alps | 0 | - | 4.87 | 118,649 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,420 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,679 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,903 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,932 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,854 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,169 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,293 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,794 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,360 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,098 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,808 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,680 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,480 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,714 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,806 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,593 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,543 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,634 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,534 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,350 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,926 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,457 |
| Largest Countries By Category | 0 | - | 4.97 | 158,726 |
| Countries by Countries | 0 | - | 4.96 | 63,545 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,151 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,374 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,650 |
| Merged Country Flags | 0 | - | 4.88 | 107,299 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,690 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,311 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,089 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,017 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,627 |
| Merged Countries #2 | 0 | - | 4.96 | 99,819 |
| Merged Countries #4 | 0 | - | 4.81 | 94,059 |
| Merged Countries #6 | 0 | - | 4.90 | 73,750 |
| Merged Countries #7 | 0 | - | 4.93 | 83,091 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,378 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,956 |
| Geography by Picture - A | 0 | - | 4.39 | 60,408 |
| Geography by Picture - D | 0 | - | 4.15 | 45,768 |
| Geography by Picture - F | 0 | - | 4.31 | 51,150 |
| Geography by Picture - G | 0 | - | 4.39 | 48,061 |
| Geography by Picture - J | 0 | - | 4.16 | 38,573 |
| Geography by Picture - K | 0 | - | 4.29 | 33,230 |
| Geography by Picture - C | 0 | - | 4.31 | 57,213 |
| Geography by Picture - L | 0 | - | 4.37 | 59,110 |
| Geography by Picture - M | 0 | - | 4.14 | 40,562 |
| Geography by Picture - P | 0 | - | 4.24 | 42,544 |
| Geography by Picture - S | 0 | - | 4.38 | 47,161 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,739 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,601 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,127 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,862 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,504 |