| All Country Flags of the World | 0 | - | 5.00 | 3,729,173 |
| Flags to Languages | 0 | - | 4.95 | 174,773 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,532 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,662 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,391 |
| Flags with Crescents | 0 | - | 4.98 | 171,873 |
| Country Flag Trivia | 0 | - | 4.82 | 58,387 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,262 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,705 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,010 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,174 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,234 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,691 |
| Flags of North and South America | 0 | - | 4.99 | 378,495 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,739 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,736 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,330 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,423 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,903 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,701 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 78,019 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,633 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,568 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,628 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,512 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,558 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,357 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,943 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,353 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,224 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,585 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,058 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,235 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,606 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,851 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,928 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,909 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,884 |
| Former Flags | 0 | - | 4.97 | 108,885 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,330 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,185 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,141 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,942 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,295 |
| 20 Random Country Flags | 0 | - | 4.99 | 621,010 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,446 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,721 |
| Flags of the Mediterranean | 0 | - | 4.95 | 149,596 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,786 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,526 |
| Flag Maths | 0 | - | 4.61 | 57,871 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,145 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,306 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,359 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,877 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,155 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,700 |
| World Coats of Arms | 0 | - | 4.99 | 65,375 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,044 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,069 |
| Similar Flags #1 | 0 | - | 4.75 | 131,009 |
| Similar Flags #2 | 0 | - | 4.74 | 138,295 |
| Emoji Flags | 0 | - | 4.35 | 44,343 |
| Countries by Road Signs | 0 | - | 4.98 | 54,499 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,782 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,326 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,248 |
| Select the World Flags | 0 | - | 4.28 | 38,065 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,621 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,696 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,213 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,860 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,574 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,616 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,201 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,776 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,598 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,140 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,293 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,862 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,482 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,442 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,840 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,937 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,435 |
| Pixelated World Map | 0 | - | 5.00 | 144,771 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,999 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,628 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,387 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,487 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,903 |
| Flags of Oceania | 0 | - | 5.00 | 263,707 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,965 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,718 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,034 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,975 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,724 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,748 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,490 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,854 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,474 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,765 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,269 |
| Geography by Picture - B | 0 | - | 4.42 | 55,843 |
| Geography by Picture - H | 0 | - | 4.50 | 58,445 |
| Geography by Picture - N | 0 | - | 4.45 | 42,409 |
| Geography by Picture - R | 0 | - | 4.56 | 41,207 |
| Geography by Picture - T | 0 | - | 4.54 | 58,063 |
| Flags of WW1 | 0 | - | 4.60 | 38,800 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,968 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,918 |
| All Germanic Languages With a Map | 0 | - | 4.89 | 69,800 |
| Boundary Waters | 0 | - | 4.92 | 88,872 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,903 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,642 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,105 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,124 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,007,865 |
| Landlocked Countries | 0 | - | 4.99 | 427,719 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,287 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,463 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,293 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,889 |
| Merged Countries #2 | 0 | - | 4.96 | 100,010 |
| Merged Countries #4 | 0 | - | 4.81 | 94,224 |
| Merged Countries #6 | 0 | - | 4.90 | 73,936 |
| Merged Countries #7 | 0 | - | 4.93 | 83,284 |
| Satellite Images #1 | 0 | - | 4.46 | 130,150 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,003 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,497 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,340 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,297 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,724 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,019 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,567 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,235 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,261 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,108 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,882 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,166 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,136 |
| Himalayan Countries | 0 | - | 4.93 | 141,024 |
| Andean Countries | 0 | - | 4.94 | 85,901 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,017 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,634 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,561 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,763 |
| Danube Countries | 0 | - | 4.97 | 72,609 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,875 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,025 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,532 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,017 |
| European Landlocked Countries | 0 | - | 4.99 | 147,823 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,608 |
| Countries with the Most Species | 0 | - | 4.99 | 103,672 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,714 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,834 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,976 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,963 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,709 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,176 |
| Countries in the Alps | 0 | - | 4.87 | 119,051 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,129 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,258 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,092 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,221 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,193 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,426 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,645 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,036 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,540 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,351 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,978 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,852 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,708 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,964 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,065 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,263 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,769 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,788 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,907 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,574 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,636 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,642 |
| Largest Countries By Category | 0 | - | 4.97 | 159,195 |
| Countries by Countries | 0 | - | 4.97 | 63,857 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,524 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,460 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,719 |
| Merged Country Flags | 0 | - | 4.88 | 107,553 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,630 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,602 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,281 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,291 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,696 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,176 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,630 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,035 |
| Geography by Picture - A | 0 | - | 4.39 | 60,503 |
