| All Country Flags of the World | 0 | - | 5.00 | 3,678,042 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,674 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,094,114 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,285 |
| Flags with Crescents | 0 | - | 4.98 | 170,032 |
| Country Flag Trivia | 0 | - | 4.81 | 57,294 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,092 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,766 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,739 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,468 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,027 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,178 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,368 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,874 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,555 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,712 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,415 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,608 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,803 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,731 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,726 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,749 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,843 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,637 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,273 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,705 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,825 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,219 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,519 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,624 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,964 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,161 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,261 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,126 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,561 |
| Flags of North and South America | 0 | - | 4.99 | 374,135 |
| Flags to Languages | 0 | - | 4.95 | 173,891 |
| Former Flags | 0 | - | 4.97 | 107,950 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,022 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,675 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,614 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,049 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,367 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,898 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,293 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,791 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,811 |
| Flag Maths | 0 | - | 4.64 | 57,787 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,177 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,841 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,055 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,853 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,544 |
| World Coats of Arms | 0 | - | 4.99 | 64,680 |
| Similar Flags #1 | 0 | - | 4.75 | 130,249 |
| Similar Flags #2 | 0 | - | 4.74 | 137,536 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,853 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,011 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,908 |
| Emoji Flags | 0 | - | 4.35 | 44,148 |
| Countries by Road Signs | 0 | - | 4.98 | 54,002 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,735 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,338 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,349 |
| Select the World Flags | 0 | - | 4.27 | 37,827 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,145 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,982 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,547 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,240 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,322 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,992 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,571 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,216 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,871 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,990 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,951 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,946 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,586 |
| Pixelated World Map | 0 | - | 5.00 | 143,608 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,888 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,302 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,703 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,267 |
| Boundary Waters | 0 | - | 4.92 | 88,564 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,243 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,258 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,692 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,591 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,559 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,414 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,147 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,642 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,102 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,531 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,098 |
| Geography by Picture - B | 0 | - | 4.42 | 55,667 |
| Geography by Picture - H | 0 | - | 4.50 | 58,275 |
| Geography by Picture - N | 0 | - | 4.45 | 42,243 |
| Geography by Picture - R | 0 | - | 4.56 | 41,067 |
| Geography by Picture - T | 0 | - | 4.54 | 57,893 |
| Flags of Oceania | 0 | - | 5.00 | 260,344 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,655 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,151 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,031 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,370 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,963 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,575,284 |
| Flags of WW1 | 0 | - | 4.60 | 38,488 |
| Landlocked Countries | 0 | - | 4.99 | 421,868 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 576,564 |
| Satellite Images #1 | 0 | - | 4.47 | 129,469 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,388 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,975 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,003 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,035 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,152 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,837 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,701 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,008 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,399 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,408 |
| World Capitals Quiz | 0 | - | 5.00 | 5,082,691 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,392 |
| Himalayan Countries | 0 | - | 4.95 | 138,668 |
| Andean Countries | 0 | - | 4.93 | 84,580 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,774 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,779 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,403 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,790 |
| Danube Countries | 0 | - | 4.97 | 71,998 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,002 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,417 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,280 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,764 |
| European Landlocked Countries | 0 | - | 4.99 | 147,137 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,622 |
| Countries with the Most Species | 0 | - | 4.99 | 103,236 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,748 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,584 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,719 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,537 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,218 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,650 |
| Countries in the Alps | 0 | - | 4.87 | 118,192 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,056 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,014 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,637 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,591 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,501 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,944 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,664 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,481 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,174 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,832 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,647 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,518 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,216 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,462 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,509 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,884 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,301 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,654 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,057 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,880 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,075 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,219 |
| Largest Countries By Category | 0 | - | 4.97 | 158,196 |
| Countries by Countries | 0 | - | 4.96 | 63,213 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,669 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,282 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,564 |
| Merged Country Flags | 0 | - | 4.88 | 106,944 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,554 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,012 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,803 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,671 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,778,001 |
| Merged Countries #2 | 0 | - | 4.96 | 99,251 |
| Merged Countries #6 | 0 | - | 4.90 | 73,457 |
| Merged Countries #7 | 0 | - | 4.93 | 82,794 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,695 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,856 |
| Geography by Picture - A | 0 | - | 4.39 | 60,317 |
| Geography by Picture - D | 0 | - | 4.15 | 45,699 |
| Geography by Picture - F | 0 | - | 4.31 | 51,064 |
| Geography by Picture - G | 0 | - | 4.39 | 47,991 |
| Geography by Picture - J | 0 | - | 4.16 | 38,507 |
| Geography by Picture - K | 0 | - | 4.29 | 33,169 |
| Geography by Picture - C | 0 | - | 4.31 | 57,121 |
| Geography by Picture - L | 0 | - | 4.37 | 59,031 |
| Geography by Picture - M | 0 | - | 4.14 | 40,500 |
| Geography by Picture - P | 0 | - | 4.24 | 42,473 |
| Geography by Picture - S | 0 | - | 4.38 | 47,079 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,497 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,496 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,910 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,979 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,283 |
| Longest International Borders | 0 | - | 4.99 | 265,190 |
| Countries with Three Borders | 0 | - | 4.96 | 36,608 |
