| All Country Flags of the World | 0 | - | 5.00 | 3,702,204 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,793 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,167 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,759 |
| Flags with Crescents | 0 | - | 4.98 | 171,013 |
| Country Flag Trivia | 0 | - | 4.81 | 57,806 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,668 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,228 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,335 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,781 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,817 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,353 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,023 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,071 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,595 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,027 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,356 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,071 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,351 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,225 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,156 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,167 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,128 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,195 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,981 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,603 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,026 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,004 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,405 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,806 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,944 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,296 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,512 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,596 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,552 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,733 |
| Flags of North and South America | 0 | - | 4.99 | 376,079 |
| Flags to Languages | 0 | - | 4.95 | 174,315 |
| Former Flags | 0 | - | 4.97 | 108,355 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,175 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,919 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,900 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,174 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,420 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,152 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,476 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,161 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,255 |
| Flag Maths | 0 | - | 4.61 | 57,816 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,630 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,070 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,187 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,989 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,604 |
| World Coats of Arms | 0 | - | 4.99 | 64,983 |
| Similar Flags #1 | 0 | - | 4.75 | 130,596 |
| Similar Flags #2 | 0 | - | 4.74 | 137,896 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,333 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,699 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,499 |
| Emoji Flags | 0 | - | 4.35 | 44,248 |
| Countries by Road Signs | 0 | - | 4.98 | 54,248 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,964 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,456 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,067 |
| Select the World Flags | 0 | - | 4.28 | 37,932 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,414 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,098 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,699 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,408 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,463 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,083 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,667 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,230 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,014 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,149 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,729 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,534 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,608 |
| Pixelated World Map | 0 | - | 5.00 | 143,938 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,107 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,570 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,041 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,364 |
| Boundary Waters | 0 | - | 4.92 | 88,708 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,362 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,555 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,151 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,840 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,841 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,129 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,335 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,763 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,296 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,642 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,199 |
| Geography by Picture - B | 0 | - | 4.42 | 55,747 |
| Geography by Picture - H | 0 | - | 4.50 | 58,345 |
| Geography by Picture - N | 0 | - | 4.45 | 42,317 |
| Geography by Picture - R | 0 | - | 4.56 | 41,120 |
| Geography by Picture - T | 0 | - | 4.54 | 57,965 |
| Flags of Oceania | 0 | - | 5.00 | 262,021 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,288 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,350 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,322 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,657 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,322 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,774,373 |
| Flags of WW1 | 0 | - | 4.60 | 38,621 |
| Landlocked Countries | 0 | - | 4.99 | 424,410 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,948 |
| Satellite Images #1 | 0 | - | 4.47 | 129,760 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,550 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,125 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,143 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,140 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,461 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,881 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,850 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,279 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,798 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,831 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,496 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,588 |
| Himalayan Countries | 0 | - | 4.94 | 139,738 |
| Andean Countries | 0 | - | 4.94 | 85,167 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,344 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,600 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,915 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,207 |
| Danube Countries | 0 | - | 4.97 | 72,261 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,397 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,690 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,841 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,333 |
| European Landlocked Countries | 0 | - | 4.99 | 147,445 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,068 |
| Countries with the Most Species | 0 | - | 4.99 | 103,470 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,204 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,707 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,818 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,737 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,469 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,894 |
| Countries in the Alps | 0 | - | 4.87 | 118,568 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,277 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,582 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,853 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,873 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,797 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,127 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,105 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,735 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,332 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,056 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,786 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,656 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,442 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,674 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,764 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,492 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,514 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,504 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,475 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,165 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,818 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,421 |
| Largest Countries By Category | 0 | - | 4.97 | 158,630 |
| Countries by Countries | 0 | - | 4.96 | 63,499 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,077 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,642 |
| Merged Country Flags | 0 | - | 4.88 | 107,243 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,523 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,268 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,048 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,970 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,795,688 |
| Merged Countries #2 | 0 | - | 4.96 | 99,783 |
| Merged Countries #6 | 0 | - | 4.90 | 73,722 |
| Merged Countries #7 | 0 | - | 4.93 | 83,057 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,335 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,947 |
| Geography by Picture - A | 0 | - | 4.39 | 60,399 |
| Geography by Picture - D | 0 | - | 4.15 | 45,764 |
| Geography by Picture - F | 0 | - | 4.31 | 51,141 |
| Geography by Picture - G | 0 | - | 4.39 | 48,057 |
| Geography by Picture - J | 0 | - | 4.16 | 38,570 |
| Geography by Picture - K | 0 | - | 4.29 | 33,227 |
| Geography by Picture - C | 0 | - | 4.31 | 57,202 |
| Geography by Picture - L | 0 | - | 4.37 | 59,099 |
| Geography by Picture - M | 0 | - | 4.14 | 40,556 |
| Geography by Picture - P | 0 | - | 4.24 | 42,536 |
| Geography by Picture - S | 0 | - | 4.38 | 47,155 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,712 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,586 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,101 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,732 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,476 |
| Longest International Borders | 0 | - | 4.99 | 265,611 |
