| All Country Flags of the World | 0 | - | 5.00 | 3,729,104 |
| Flags to Languages | 0 | - | 4.95 | 174,763 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,521 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,654 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,386 |
| Flags with Crescents | 0 | - | 4.98 | 171,870 |
| Country Flag Trivia | 0 | - | 4.82 | 58,384 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,261 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,705 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,009 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,173 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,234 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,690 |
| Flags of North and South America | 0 | - | 4.99 | 378,492 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,736 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,734 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,329 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,418 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,902 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,698 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 78,017 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,631 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,566 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,626 |
| 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 | 100,356 |
| 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 | 50,584 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,057 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,234 |
| 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 | 45,927 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,909 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,882 |
| 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 | 84,941 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,295 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,996 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,444 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,720 |
| Flags of the Mediterranean | 0 | - | 4.95 | 149,595 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,781 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,525 |
| Flag Maths | 0 | - | 4.61 | 57,871 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,144 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,305 |
| 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 | 54,498 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,782 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,325 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,248 |
| Select the World Flags | 0 | - | 4.28 | 38,063 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,620 |
| 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 | 71,859 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,572 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,614 |
| 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 | 119,597 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,139 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,292 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,862 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,468 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,427 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,839 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,935 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,432 |
| Pixelated World Map | 0 | - | 5.00 | 144,770 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,999 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,619 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,386 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,487 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,886 |
| Flags of Oceania | 0 | - | 5.00 | 263,704 |
| 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 | 101,032 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,973 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,722 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,745 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,490 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,853 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,473 |
| 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 | 69,799 |
| 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 | 63,641 |
| "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 | 48,007,279 |
| Landlocked Countries | 0 | - | 4.99 | 427,713 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,251 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,460 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,290 |
| 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 | 130,149 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,002 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,496 |
| 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 | 96,566 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,234 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,259 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,106 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,876 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,100 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,134 |
| Himalayan Countries | 0 | - | 4.93 | 141,022 |
| Andean Countries | 0 | - | 4.94 | 85,900 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,012 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,632 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,558 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,763 |
| Danube Countries | 0 | - | 4.97 | 72,609 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,874 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,022 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,530 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,015 |
| European Landlocked Countries | 0 | - | 4.99 | 147,821 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,606 |
| Countries with the Most Species | 0 | - | 4.99 | 103,672 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,713 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,833 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,975 |
| 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 | 119,050 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,127 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,257 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,091 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,220 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,192 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,425 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,644 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,034 |
| 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 | 41,851 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,707 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,963 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,064 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,259 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,769 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,785 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,905 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,568 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,633 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,642 |
| Largest Countries By Category | 0 | - | 4.97 | 159,192 |
| Countries by Countries | 0 | - | 4.97 | 63,855 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,522 |
| 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 | 111,626 |
| 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 | 3,815,627 |
| 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 | 94,034 |
| Geography by Picture - A | 0 | - | 4.39 | 60,503 |
