| All Country Flags of the World | 0 | - | 5.00 | 3,710,030 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,323 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,875 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,225 |
| Flags with Crescents | 0 | - | 4.98 | 171,228 |
| Country Flag Trivia | 0 | - | 4.81 | 57,943 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,827 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,372 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,519 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,892 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,928 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,440 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,241 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,242 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,808 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,133 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,522 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,245 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,561 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,340 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,279 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,286 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,227 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,303 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,097 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,696 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,100 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,071 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,465 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,893 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,020 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,377 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,612 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,698 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,639 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,778 |
| Flags of North and South America | 0 | - | 4.99 | 376,673 |
| Flags to Languages | 0 | - | 4.95 | 174,453 |
| Former Flags | 0 | - | 4.97 | 108,514 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,216 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,991 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 44,981 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,209 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,410 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,218 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,557 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,289 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,363 |
| Flag Maths | 0 | - | 4.61 | 57,827 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,787 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,142 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,230 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,035 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,633 |
| World Coats of Arms | 0 | - | 4.99 | 65,095 |
| Similar Flags #1 | 0 | - | 4.75 | 130,722 |
| Similar Flags #2 | 0 | - | 4.74 | 138,025 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,503 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,817 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,645 |
| Emoji Flags | 0 | - | 4.35 | 44,271 |
| Countries by Road Signs | 0 | - | 4.98 | 54,323 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,070 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,508 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,253 |
| Select the World Flags | 0 | - | 4.28 | 37,976 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,506 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,149 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,757 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,462 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,509 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,115 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,691 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,364 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,045 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,199 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,956 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,962 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,751 |
| Pixelated World Map | 0 | - | 5.00 | 144,049 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,065 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,633 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,153 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,404 |
| Boundary Waters | 0 | - | 4.92 | 88,747 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,398 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,659 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,284 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,928 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,930 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,329 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,385 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,786 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,344 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,681 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,218 |
| Geography by Picture - B | 0 | - | 4.42 | 55,769 |
| Geography by Picture - H | 0 | - | 4.50 | 58,368 |
| Geography by Picture - N | 0 | - | 4.45 | 42,334 |
| Geography by Picture - R | 0 | - | 4.56 | 41,139 |
| Geography by Picture - T | 0 | - | 4.54 | 57,992 |
| Flags of Oceania | 0 | - | 5.00 | 262,477 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,494 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,413 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,411 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,736 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,430 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,847,064 |
| Flags of WW1 | 0 | - | 4.60 | 38,668 |
| Landlocked Countries | 0 | - | 4.99 | 425,290 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 587,094 |
| Satellite Images #1 | 0 | - | 4.47 | 129,949 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,636 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,189 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,200 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,182 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,530 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,891 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,907 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,368 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,917 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,946 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,650 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,021 |
| Himalayan Countries | 0 | - | 4.93 | 140,050 |
| Andean Countries | 0 | - | 4.94 | 85,332 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,482 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,853 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,062 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,342 |
| Danube Countries | 0 | - | 4.97 | 72,328 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,514 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,779 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,010 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,516 |
| European Landlocked Countries | 0 | - | 4.99 | 147,553 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,216 |
| Countries with the Most Species | 0 | - | 4.99 | 103,529 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,340 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,754 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,858 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,801 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,532 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,972 |
| Countries in the Alps | 0 | - | 4.87 | 118,704 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,514 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,769 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,929 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,977 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,898 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,205 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,345 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,815 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,386 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,138 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,835 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,707 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,518 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,742 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,840 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,725 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,576 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,728 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,619 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,504 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,035 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,479 |
| Largest Countries By Category | 0 | - | 4.97 | 158,790 |
| Countries by Countries | 0 | - | 4.96 | 63,595 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,205 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,384 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,654 |
| Merged Country Flags | 0 | - | 4.88 | 107,342 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,845 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,383 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,122 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,060 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,801,639 |
| Merged Countries #2 | 0 | - | 4.96 | 99,851 |
| Merged Countries #4 | 0 | - | 4.81 | 94,088 |
| Merged Countries #6 | 0 | - | 4.90 | 73,788 |
| Merged Countries #7 | 0 | - | 4.93 | 83,122 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,424 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,968 |
| Geography by Picture - A | 0 | - | 4.39 | 60,421 |
| Geography by Picture - D | 0 | - | 4.15 | 45,773 |
| Geography by Picture - F | 0 | - | 4.31 | 51,163 |
| Geography by Picture - G | 0 | - | 4.39 | 48,070 |
| Geography by Picture - J | 0 | - | 4.16 | 38,585 |
| Geography by Picture - K | 0 | - | 4.29 | 33,240 |
| Geography by Picture - C | 0 | - | 4.31 | 57,222 |
| Geography by Picture - L | 0 | - | 4.37 | 59,127 |
| Geography by Picture - M | 0 | - | 4.14 | 40,571 |
| Geography by Picture - P | 0 | - | 4.24 | 42,555 |
| Geography by Picture - S | 0 | - | 4.38 | 47,174 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,762 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,609 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,154 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,985 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,541 |
