| All Country Flags of the World | 0 | - | 5.00 | 3,692,919 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,542,268 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,391 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,161 |
| Flags with Crescents | 0 | - | 4.98 | 170,688 |
| Country Flag Trivia | 0 | - | 4.81 | 57,629 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,430 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,031 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,099 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,659 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,673 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,246 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,716 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,825 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,361 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,874 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,139 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,833 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,078 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,080 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,009 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,013 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,982 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,060 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,862 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,474 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,912 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,942 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,343 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,708 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,833 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,194 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,392 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,472 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,404 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,675 |
| Flags of North and South America | 0 | - | 4.99 | 375,336 |
| Flags to Languages | 0 | - | 4.95 | 174,155 |
| Former Flags | 0 | - | 4.97 | 108,183 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,126 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,837 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,792 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,132 |
| 20 Random Country Flags | 0 | - | 4.99 | 616,288 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,079 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,422 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,024 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,076 |
| Flag Maths | 0 | - | 4.61 | 57,808 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,453 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,979 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,136 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,935 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,582 |
| World Coats of Arms | 0 | - | 4.99 | 64,857 |
| Similar Flags #1 | 0 | - | 4.75 | 130,459 |
| Similar Flags #2 | 0 | - | 4.74 | 137,763 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,123 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,552 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,260 |
| Emoji Flags | 0 | - | 4.35 | 44,209 |
| Countries by Road Signs | 0 | - | 4.98 | 54,166 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,878 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,407 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,818 |
| Select the World Flags | 0 | - | 4.27 | 37,883 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,303 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,054 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,628 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,327 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,402 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,048 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,630 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,001 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,964 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,104 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,156 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,252,097 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,491 |
| Pixelated World Map | 0 | - | 5.00 | 143,809 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,972 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,481 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,914 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,334 |
| Boundary Waters | 0 | - | 4.92 | 88,652 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,324 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,447 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,990 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,757 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,741 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,807 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,250 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,720 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,223 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,604 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,162 |
| Geography by Picture - B | 0 | - | 4.42 | 55,712 |
| Geography by Picture - H | 0 | - | 4.50 | 58,313 |
| Geography by Picture - N | 0 | - | 4.45 | 42,288 |
| Geography by Picture - R | 0 | - | 4.56 | 41,096 |
| Geography by Picture - T | 0 | - | 4.54 | 57,935 |
| Flags of Oceania | 0 | - | 5.00 | 261,410 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,043 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,279 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,220 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,565 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,188 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,700,964 |
| Flags of WW1 | 0 | - | 4.60 | 38,577 |
| Landlocked Countries | 0 | - | 4.99 | 423,442 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 582,006 |
| Satellite Images #1 | 0 | - | 4.47 | 129,555 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,458 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,041 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,065 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,077 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,325 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,864 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,798 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,175 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,637 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,672 |
| World Capitals Quiz | 0 | - | 5.00 | 5,092,409 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,189 |
| Himalayan Countries | 0 | - | 4.94 | 139,380 |
| Andean Countries | 0 | - | 4.94 | 84,966 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,176 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,348 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,746 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,059 |
| Danube Countries | 0 | - | 4.97 | 72,175 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,255 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,576 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,624 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,131 |
| European Landlocked Countries | 0 | - | 4.99 | 147,326 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,907 |
| Countries with the Most Species | 0 | - | 4.99 | 103,385 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,046 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,665 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,777 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,651 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,408 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,810 |
| Countries in the Alps | 0 | - | 4.87 | 118,436 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,932 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,377 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,787 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,770 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,685 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,075 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,869 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,639 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,276 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,992 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,745 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,612 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,356 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,607 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,681 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,269 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,440 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,029 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,302 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,736 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,546 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,348 |
| Largest Countries By Category | 0 | - | 4.97 | 158,485 |
| Countries by Countries | 0 | - | 4.96 | 63,405 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,937 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,337 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,603 |
| Merged Country Flags | 0 | - | 4.88 | 107,116 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,159 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,175 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,947 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,845 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,789,179 |
| Merged Countries #2 | 0 | - | 4.96 | 99,385 |
| Merged Countries #6 | 0 | - | 4.90 | 73,597 |
| Merged Countries #7 | 0 | - | 4.93 | 82,952 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,866 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,911 |
| Geography by Picture - A | 0 | - | 4.39 | 60,362 |
| Geography by Picture - D | 0 | - | 4.15 | 45,735 |
| Geography by Picture - F | 0 | - | 4.31 | 51,113 |
| Geography by Picture - G | 0 | - | 4.39 | 48,035 |
| Geography by Picture - J | 0 | - | 4.16 | 38,542 |
| Geography by Picture - K | 0 | - | 4.29 | 33,203 |
| Geography by Picture - C | 0 | - | 4.31 | 57,166 |
| Geography by Picture - L | 0 | - | 4.37 | 59,074 |
| Geography by Picture - M | 0 | - | 4.14 | 40,538 |
| Geography by Picture - P | 0 | - | 4.24 | 42,519 |
| Geography by Picture - S | 0 | - | 4.38 | 47,126 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,623 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,557 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,026 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,440 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,414 |
| Longest International Borders | 0 | - | 4.99 | 265,456 |
