| All Country Flags of the World | 0 | - | 5.00 | 3,706,597 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,556 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,528 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,016 |
| Flags with Crescents | 0 | - | 4.98 | 171,134 |
| Country Flag Trivia | 0 | - | 4.81 | 57,874 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,748 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,304 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,411 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,835 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,863 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,397 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,148 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,163 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,704 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,079 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,449 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,168 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,462 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,285 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,227 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,224 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,176 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,252 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,040 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,649 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,073 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,043 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,438 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,856 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,995 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,338 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,568 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,649 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,598 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,759 |
| Flags of North and South America | 0 | - | 4.99 | 376,385 |
| Flags to Languages | 0 | - | 4.95 | 174,397 |
| Former Flags | 0 | - | 4.97 | 108,426 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,198 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,963 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,942 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,189 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,007 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,191 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,525 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,228 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,315 |
| Flag Maths | 0 | - | 4.61 | 57,825 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,722 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,109 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,215 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,015 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,617 |
| World Coats of Arms | 0 | - | 4.99 | 65,050 |
| Similar Flags #1 | 0 | - | 4.75 | 130,669 |
| Similar Flags #2 | 0 | - | 4.74 | 137,970 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,411 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,767 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,581 |
| Emoji Flags | 0 | - | 4.35 | 44,263 |
| Countries by Road Signs | 0 | - | 4.98 | 54,290 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,005 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,470 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,170 |
| Select the World Flags | 0 | - | 4.28 | 37,956 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,469 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,127 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,731 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,447 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,486 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,098 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,683 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,300 |
| 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 | 76,879 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,810 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,160 |
| Pixelated World Map | 0 | - | 5.00 | 143,995 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,621 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,607 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,113 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,384 |
| Boundary Waters | 0 | - | 4.92 | 88,727 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,379 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,606 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,226 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,877 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,884 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,260 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,368 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,777 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,321 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,661 |
| 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 | 58,357 |
| 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 | 262,252 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,412 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,383 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,378 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,701 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,378 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,814,552 |
| Flags of WW1 | 0 | - | 4.60 | 38,650 |
| Landlocked Countries | 0 | - | 4.99 | 424,881 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 586,066 |
| Satellite Images #1 | 0 | - | 4.47 | 129,924 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,615 |
| 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 | 39,173 |
| 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 | 73,885 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,326 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,861 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,888 |
| World Capitals Quiz | 0 | - | 5.00 | 5,101,365 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,820 |
| Himalayan Countries | 0 | - | 4.93 | 139,904 |
| Andean Countries | 0 | - | 4.94 | 85,254 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,423 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,757 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,989 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,293 |
| Danube Countries | 0 | - | 4.97 | 72,300 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,458 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,744 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,927 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,428 |
| European Landlocked Countries | 0 | - | 4.99 | 147,501 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,149 |
| Countries with the Most Species | 0 | - | 4.99 | 103,509 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,290 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,725 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,838 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,774 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,508 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,938 |
| Countries in the Alps | 0 | - | 4.87 | 118,654 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,427 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,685 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,905 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,933 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,859 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,171 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,295 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,796 |
| 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 | 53,809 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,684 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,481 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,714 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,809 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,606 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,547 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,639 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,536 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,361 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,930 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,458 |
| Largest Countries By Category | 0 | - | 4.97 | 158,728 |
| Countries by Countries | 0 | - | 4.96 | 63,549 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,155 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,375 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,651 |
| Merged Country Flags | 0 | - | 4.88 | 107,302 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,699 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,314 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,090 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,020 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,792 |
| Merged Countries #2 | 0 | - | 4.96 | 99,820 |
| Merged Countries #4 | 0 | - | 4.81 | 94,060 |
| Merged Countries #6 | 0 | - | 4.90 | 73,752 |
| Merged Countries #7 | 0 | - | 4.93 | 83,093 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,382 |
| 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 | 59,111 |
| 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 | 47,164 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,740 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,602 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,127 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,874 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,506 |
