| All Country Flags of the World | 0 | - | 5.00 | 3,701,058 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,584 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,059 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,670 |
| Flags with Crescents | 0 | - | 4.98 | 170,978 |
| Country Flag Trivia | 0 | - | 4.81 | 57,785 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,625 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,198 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,294 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,753 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,790 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,338 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,991 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,056 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,562 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,013 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,329 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,035 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,314 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,202 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,128 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,144 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,111 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,174 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,961 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,583 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,014 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,997 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,402 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,791 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,933 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,288 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,500 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,585 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,533 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,728 |
| Flags of North and South America | 0 | - | 4.99 | 375,976 |
| Flags to Languages | 0 | - | 4.95 | 174,300 |
| Former Flags | 0 | - | 4.97 | 108,327 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,169 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,908 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,885 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,171 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,251 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,143 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,466 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,135 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,224 |
| Flag Maths | 0 | - | 4.61 | 57,816 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,599 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,047 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,179 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,977 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,603 |
| World Coats of Arms | 0 | - | 4.99 | 64,962 |
| Similar Flags #1 | 0 | - | 4.75 | 130,573 |
| Similar Flags #2 | 0 | - | 4.74 | 137,877 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,301 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,680 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,469 |
| Emoji Flags | 0 | - | 4.35 | 44,242 |
| Countries by Road Signs | 0 | - | 4.98 | 54,236 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,953 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,451 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,047 |
| Select the World Flags | 0 | - | 4.28 | 37,926 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,393 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,093 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,688 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,393 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,452 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,080 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,664 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,200 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,007 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,144 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,670 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,208 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,464 |
| Pixelated World Map | 0 | - | 5.00 | 143,916 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,983 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,552 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,017 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,361 |
| Boundary Waters | 0 | - | 4.92 | 88,702 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,354 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,528 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,130 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,830 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,828 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,085 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,320 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,755 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,284 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,635 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,193 |
| Geography by Picture - B | 0 | - | 4.42 | 55,743 |
| Geography by Picture - H | 0 | - | 4.50 | 58,341 |
| Geography by Picture - N | 0 | - | 4.45 | 42,314 |
| Geography by Picture - R | 0 | - | 4.56 | 41,119 |
| Geography by Picture - T | 0 | - | 4.54 | 57,962 |
| Flags of Oceania | 0 | - | 5.00 | 261,944 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,247 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,336 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,302 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,643 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,300 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,765,255 |
| Flags of WW1 | 0 | - | 4.60 | 38,609 |
| Landlocked Countries | 0 | - | 4.99 | 424,250 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,603 |
| Satellite Images #1 | 0 | - | 4.47 | 129,625 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,506 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,094 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,119 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,116 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,453 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,876 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,844 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,258 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,776 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,807 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,748 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,524 |
| Himalayan Countries | 0 | - | 4.94 | 139,685 |
| Andean Countries | 0 | - | 4.94 | 85,139 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,318 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,565 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,894 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,176 |
| Danube Countries | 0 | - | 4.97 | 72,250 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,382 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,683 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,805 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,296 |
| European Landlocked Countries | 0 | - | 4.99 | 147,429 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,043 |
| Countries with the Most Species | 0 | - | 4.99 | 103,454 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,175 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,700 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,810 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,725 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,455 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,879 |
| Countries in the Alps | 0 | - | 4.87 | 118,540 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,224 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,558 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,843 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,853 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,776 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,116 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,971 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,708 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,328 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,045 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,780 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,648 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,425 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,666 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,751 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,451 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,500 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,458 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,451 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,106 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,779 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,412 |
| Largest Countries By Category | 0 | - | 4.97 | 158,603 |
| Countries by Countries | 0 | - | 4.96 | 63,483 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,054 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,359 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,638 |
| Merged Country Flags | 0 | - | 4.88 | 107,216 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,439 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,247 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,031 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,958 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,840 |
| Merged Countries #2 | 0 | - | 4.96 | 99,766 |
| Merged Countries #6 | 0 | - | 4.90 | 73,702 |
| Merged Countries #7 | 0 | - | 4.93 | 83,042 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,313 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,942 |
| Geography by Picture - A | 0 | - | 4.39 | 60,395 |
| Geography by Picture - D | 0 | - | 4.15 | 45,760 |
| Geography by Picture - F | 0 | - | 4.31 | 51,137 |
| Geography by Picture - G | 0 | - | 4.39 | 48,051 |
| Geography by Picture - J | 0 | - | 4.16 | 38,566 |
| Geography by Picture - K | 0 | - | 4.29 | 33,223 |
| Geography by Picture - C | 0 | - | 4.31 | 57,198 |
| Geography by Picture - L | 0 | - | 4.37 | 59,097 |
| Geography by Picture - M | 0 | - | 4.14 | 40,554 |
| Geography by Picture - P | 0 | - | 4.24 | 42,535 |
| Geography by Picture - S | 0 | - | 4.38 | 47,152 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,703 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,584 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,091 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,693 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,466 |
| Longest International Borders | 0 | - | 4.99 | 265,592 |
