| All Country Flags of the World | 0 | - | 5.00 | 3,623,287 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,181 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,223 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,978 |
| Flags with Crescents | 0 | - | 4.98 | 168,209 |
| Country Flag Trivia | 0 | - | 4.81 | 56,256 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,817 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,775 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,367 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,732 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,304 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,671 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,044 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,513 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,698 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,383 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,189 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,134 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,993 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,982 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,775 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,028 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,112 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,881 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,588 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,065 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,440 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,827 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,975 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,959 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,266 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,455 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,584 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,190 |
| Flags of North and South America | 0 | - | 4.99 | 369,541 |
| Flags to Languages | 0 | - | 4.95 | 172,899 |
| Former Flags | 0 | - | 4.97 | 107,066 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,740 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,181 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,032 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,322 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,801 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,568 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,285 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,843 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,850 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,865 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,817 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,141 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,568 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,505 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,357 |
| World Coats of Arms | 0 | - | 4.99 | 64,076 |
| Similar Flags #1 | 0 | - | 4.74 | 129,414 |
| Similar Flags #2 | 0 | - | 4.74 | 136,690 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,820 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,170 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,422 |
| Emoji Flags | 0 | - | 4.35 | 43,902 |
| Countries by Road Signs | 0 | - | 4.98 | 53,335 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,209 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,087 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 23,017 |
| Select the World Flags | 0 | - | 4.27 | 37,522 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,500 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,700 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,161 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,814 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,956 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,769 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,319 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,574 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,100 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,527 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,121 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,980 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,213 |
| Pixelated World Map | 0 | - | 5.00 | 142,789 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,015 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,662 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,980 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,039 |
| Boundary Waters | 0 | - | 4.92 | 88,173 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,925 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,566 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,697 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,054 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,965 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,535 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,961 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,130 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,693 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,222 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,973 |
| Geography by Picture - B | 0 | - | 4.42 | 55,481 |
| Geography by Picture - H | 0 | - | 4.50 | 58,097 |
| Geography by Picture - N | 0 | - | 4.45 | 42,095 |
| Geography by Picture - R | 0 | - | 4.56 | 40,922 |
| Geography by Picture - T | 0 | - | 4.54 | 57,733 |
| Flags of Oceania | 0 | - | 5.00 | 256,566 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,369 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,657 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,336 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,714 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,150 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,106,839 |
| Flags of WW1 | 0 | - | 4.60 | 38,110 |
| Landlocked Countries | 0 | - | 4.99 | 415,901 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 559,770 |
| Satellite Images #1 | 0 | - | 4.46 | 129,144 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,108 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,750 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,746 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,869 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,588 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,776 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,315 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,257 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,183 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,442 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,166 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,545 |
| Himalayan Countries | 0 | - | 4.95 | 136,185 |
| Andean Countries | 0 | - | 4.95 | 83,284 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,583 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,781 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,280 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,902 |
| Danube Countries | 0 | - | 4.97 | 71,321 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,088 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,776 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,992 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,952 |
| European Landlocked Countries | 0 | - | 4.99 | 146,030 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,643 |
| Countries with the Most Species | 0 | - | 4.99 | 95,386 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,778 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,292 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,467 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,106 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,752 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,126 |
| Countries in the Alps | 0 | - | 4.86 | 117,228 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,827 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,725 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,202 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,652 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,456 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,194 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,888 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,941 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,739 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,274 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,313 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,174 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,665 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,929 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,939 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,587 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,839 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,378 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,114 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,603 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,396 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,775 |
| Largest Countries By Category | 0 | - | 4.97 | 157,150 |
| Countries by Countries | 0 | - | 4.96 | 62,513 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,768 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,053 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,394 |
| Merged Country Flags | 0 | - | 4.88 | 106,265 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,497 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,349 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,273 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,025 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,357 |
| Merged Countries #2 | 0 | - | 4.96 | 98,653 |
| Merged Countries #6 | 0 | - | 4.90 | 72,908 |
| Merged Countries #7 | 0 | - | 4.93 | 82,146 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,957 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,600 |
| Geography by Picture - A | 0 | - | 4.39 | 60,112 |
| Geography by Picture - D | 0 | - | 4.15 | 45,548 |
| Geography by Picture - F | 0 | - | 4.31 | 50,880 |
| Geography by Picture - G | 0 | - | 4.38 | 47,852 |
| Geography by Picture - J | 0 | - | 4.16 | 38,372 |
| Geography by Picture - K | 0 | - | 4.29 | 33,045 |
| Geography by Picture - C | 0 | - | 4.31 | 56,976 |
| Geography by Picture - L | 0 | - | 4.37 | 58,829 |
| Geography by Picture - M | 0 | - | 4.14 | 40,372 |
| Geography by Picture - P | 0 | - | 4.24 | 42,342 |
| Geography by Picture - S | 0 | - | 4.38 | 46,957 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,768 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,308 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,581 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,058 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,805 |
| Longest International Borders | 0 | - | 4.99 | 264,219 |
| Countries with Three Borders | 0 | - | 4.96 | 36,314 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,740 |
