| All Country Flags of the World | 0 | - | 5.00 | 3,651,137 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,006 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,828 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,719 |
| Flags with Crescents | 0 | - | 4.98 | 169,166 |
| Country Flag Trivia | 0 | - | 4.81 | 56,836 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,491 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,283 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,110 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,137 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,653 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,365 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,627 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,133 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,086 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,059 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,750 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,843 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,362 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,338 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,236 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,360 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,468 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,227 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,934 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,384 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,636 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,025 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,252 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,302 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,601 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,818 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,920 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,710 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,368 |
| Flags of North and South America | 0 | - | 4.99 | 372,156 |
| Flags to Languages | 0 | - | 4.95 | 173,446 |
| Former Flags | 0 | - | 4.97 | 107,520 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,879 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,414 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,332 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,897 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,806 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,607 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,042 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,327 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,359 |
| Flag Maths | 0 | - | 4.64 | 57,746 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,351 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,384 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,749 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,677 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,452 |
| World Coats of Arms | 0 | - | 4.99 | 64,360 |
| Similar Flags #1 | 0 | - | 4.75 | 129,821 |
| Similar Flags #2 | 0 | - | 4.74 | 137,125 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,326 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,596 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,096 |
| Emoji Flags | 0 | - | 4.35 | 44,024 |
| Countries by Road Signs | 0 | - | 4.98 | 53,668 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,466 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,211 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,430 |
| Select the World Flags | 0 | - | 4.27 | 37,681 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,810 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,845 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,321 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,001 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,109 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,866 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,428 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,314 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,318 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,736 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,529 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,734 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,761 |
| Pixelated World Map | 0 | - | 5.00 | 143,184 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,621 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,963 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,351 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,158 |
| Boundary Waters | 0 | - | 4.92 | 88,388 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,095 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,933 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,216 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,358 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,287 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,923 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,037 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,302 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,013 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,383 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,089 |
| Geography by Picture - B | 0 | - | 4.42 | 55,564 |
| Geography by Picture - H | 0 | - | 4.50 | 58,189 |
| Geography by Picture - N | 0 | - | 4.45 | 42,176 |
| Geography by Picture - R | 0 | - | 4.56 | 40,994 |
| Geography by Picture - T | 0 | - | 4.54 | 57,810 |
| Flags of Oceania | 0 | - | 5.00 | 258,345 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,987 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,908 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,701 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,033 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,549 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,348,071 |
| Flags of WW1 | 0 | - | 4.60 | 38,303 |
| Landlocked Countries | 0 | - | 4.99 | 419,156 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,563 |
| Satellite Images #1 | 0 | - | 4.47 | 129,308 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,248 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,870 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,873 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,946 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,876 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,811 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,510 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,641 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,702 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,942 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,858 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,076 |
| Himalayan Countries | 0 | - | 4.95 | 137,509 |
| Andean Countries | 0 | - | 4.95 | 83,982 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,253 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,724 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,873 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,376 |
| Danube Countries | 0 | - | 4.97 | 71,687 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,591 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,080 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,689 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,760 |
| European Landlocked Countries | 0 | - | 4.99 | 146,798 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,163 |
| Countries with the Most Species | 0 | - | 4.99 | 102,933 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,301 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,597 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,320 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,003 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,378 |
| Countries in the Alps | 0 | - | 4.87 | 117,716 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,155 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,405 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,434 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,019 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,126 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,727 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,302 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,207 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,977 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,571 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,496 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,347 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,947 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,203 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,227 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,227 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,079 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,583 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,556 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,469 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,269 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,012 |
| Largest Countries By Category | 0 | - | 4.97 | 157,669 |
| Countries by Countries | 0 | - | 4.96 | 62,856 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,237 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,168 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,476 |
| Merged Country Flags | 0 | - | 4.88 | 106,609 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,583 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,670 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,537 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,339 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,898 |
| Merged Countries #2 | 0 | - | 4.96 | 98,933 |
| Merged Countries #6 | 0 | - | 4.90 | 73,151 |
| Merged Countries #7 | 0 | - | 4.93 | 82,476 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,395 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,747 |
| Geography by Picture - A | 0 | - | 4.39 | 60,207 |
| Geography by Picture - D | 0 | - | 4.15 | 45,622 |
| Geography by Picture - F | 0 | - | 4.31 | 50,962 |
| Geography by Picture - G | 0 | - | 4.38 | 47,918 |
| Geography by Picture - J | 0 | - | 4.16 | 38,438 |
| Geography by Picture - K | 0 | - | 4.29 | 33,103 |
| Geography by Picture - C | 0 | - | 4.31 | 57,037 |
| Geography by Picture - L | 0 | - | 4.37 | 58,915 |
| Geography by Picture - M | 0 | - | 4.14 | 40,426 |
| Geography by Picture - P | 0 | - | 4.24 | 42,404 |
| Geography by Picture - S | 0 | - | 4.38 | 47,019 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,240 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,396 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,752 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,130 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,087 |
| Longest International Borders | 0 | - | 4.99 | 264,694 |
| Countries with Three Borders | 0 | - | 4.96 | 36,463 |
