| All Country Flags of the World | 0 | - | 5.00 | 3,719,466 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,898 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,715 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,809 |
| Flags with Crescents | 0 | - | 4.98 | 171,541 |
| Country Flag Trivia | 0 | - | 4.82 | 58,194 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,039 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,537 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,750 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,061 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,081 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,567 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,484 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,486 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,064 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,278 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,720 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,447 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,797 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,496 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,441 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,452 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,364 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,428 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,223 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,819 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,232 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,155 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,529 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,980 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,126 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,484 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,735 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,805 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,777 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,816 |
| Flags of North and South America | 0 | - | 4.99 | 377,518 |
| Flags to Languages | 0 | - | 4.95 | 174,613 |
| Former Flags | 0 | - | 4.97 | 108,705 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,272 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,083 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,064 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,254 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,777 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,336 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,645 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,448 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,555 |
| Flag Maths | 0 | - | 4.61 | 57,856 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,953 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,227 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,309 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,101 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,667 |
| World Coats of Arms | 0 | - | 4.99 | 65,249 |
| Similar Flags #1 | 0 | - | 4.75 | 130,874 |
| Similar Flags #2 | 0 | - | 4.74 | 138,142 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,667 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,926 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,843 |
| Emoji Flags | 0 | - | 4.35 | 44,305 |
| Countries by Road Signs | 0 | - | 4.98 | 54,397 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,210 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,572 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,524 |
| Select the World Flags | 0 | - | 4.28 | 38,013 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,607 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,190 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,803 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,521 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,567 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,155 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,735 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,481 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,089 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,236 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,070 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,753 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,156 |
| Pixelated World Map | 0 | - | 5.00 | 144,172 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,373 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,742 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,259 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,441 |
| Boundary Waters | 0 | - | 4.92 | 88,806 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,432 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,769 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,436 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,018 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,032 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,520 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,442 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,822 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,411 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,718 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,245 |
| Geography by Picture - B | 0 | - | 4.42 | 55,809 |
| Geography by Picture - H | 0 | - | 4.50 | 58,407 |
| Geography by Picture - N | 0 | - | 4.45 | 42,369 |
| Geography by Picture - R | 0 | - | 4.56 | 41,171 |
| Geography by Picture - T | 0 | - | 4.54 | 58,023 |
| Flags of Oceania | 0 | - | 5.00 | 263,093 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,706 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,569 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,519 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,831 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,550 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,927,322 |
| Flags of WW1 | 0 | - | 4.60 | 38,735 |
| Landlocked Countries | 0 | - | 4.99 | 426,680 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,399 |
| Satellite Images #1 | 0 | - | 4.46 | 130,032 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,732 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,422 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,276 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,246 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,619 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,905 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,960 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,460 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,078 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,110 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,199 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,631 |
| Himalayan Countries | 0 | - | 4.93 | 140,553 |
| Andean Countries | 0 | - | 4.94 | 85,656 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,793 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,274 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,348 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,579 |
| Danube Countries | 0 | - | 4.97 | 72,487 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,708 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,912 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,307 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,757 |
| European Landlocked Countries | 0 | - | 4.99 | 147,683 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,423 |
| Countries with the Most Species | 0 | - | 4.99 | 103,610 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,539 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,794 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,922 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,887 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,628 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,083 |
| Countries in the Alps | 0 | - | 4.87 | 118,875 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,829 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,020 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,019 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,106 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,053 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,333 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,482 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,931 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,477 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,254 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,926 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,796 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,623 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,860 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,960 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,027 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,669 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,796 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,766 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,997 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,335 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,568 |
| Largest Countries By Category | 0 | - | 4.97 | 158,973 |
| Countries by Countries | 0 | - | 4.97 | 63,727 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,348 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,427 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,690 |
| Merged Country Flags | 0 | - | 4.88 | 107,429 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,215 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,485 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,203 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,167 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,522 |
| Merged Countries #2 | 0 | - | 4.96 | 99,924 |
| Merged Countries #4 | 0 | - | 4.81 | 94,160 |
| Merged Countries #6 | 0 | - | 4.90 | 73,859 |
| Merged Countries #7 | 0 | - | 4.93 | 83,204 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,532 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,014 |
| Geography by Picture - A | 0 | - | 4.39 | 60,459 |
| Geography by Picture - D | 0 | - | 4.15 | 45,806 |
| Geography by Picture - F | 0 | - | 4.31 | 51,207 |
| Geography by Picture - G | 0 | - | 4.39 | 48,100 |
| Geography by Picture - J | 0 | - | 4.16 | 38,619 |
| Geography by Picture - K | 0 | - | 4.29 | 33,269 |
| Geography by Picture - C | 0 | - | 4.31 | 57,258 |
| Geography by Picture - L | 0 | - | 4.37 | 59,155 |
| Geography by Picture - M | 0 | - | 4.14 | 40,598 |
| Geography by Picture - P | 0 | - | 4.24 | 42,586 |
| Geography by Picture - S | 0 | - | 4.38 | 47,195 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,847 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,637 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,210 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,267 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,613 |
