| All Country Flags of the World | 0 | - | 5.00 | 3,621,171 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,792 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,043 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,842 |
| Flags with Crescents | 0 | - | 4.98 | 168,110 |
| Country Flag Trivia | 0 | - | 4.81 | 56,219 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,780 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,740 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,318 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,705 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,610 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,275 |
| Flags of North and South America | 0 | - | 4.99 | 369,347 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,614 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,999 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,476 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,670 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,318 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,152 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,078 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,968 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,959 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,748 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,005 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,082 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,857 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,570 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,046 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,431 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,817 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,958 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,933 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,241 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,421 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,552 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,185 |
| Flags to Languages | 0 | - | 4.95 | 172,861 |
| Former Flags | 0 | - | 4.97 | 107,023 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,733 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,178 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 44,008 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,288 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,516 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,792 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,261 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,266 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,819 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,824 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,821 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,043 |
| Flag Maths | 0 | - | 4.69 | 57,697 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,778 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,120 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,561 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,777 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,488 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,347 |
| World Coats of Arms | 0 | - | 4.99 | 64,055 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,136 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,351 |
| Similar Flags #1 | 0 | - | 4.74 | 129,385 |
| Similar Flags #2 | 0 | - | 4.74 | 136,661 |
| Emoji Flags | 0 | - | 4.35 | 43,895 |
| Countries by Road Signs | 0 | - | 4.98 | 53,309 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 22,818 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,194 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,691 |
| Select the World Flags | 0 | - | 4.27 | 37,505 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,078 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,471 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,094 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,154 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,804 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,950 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,760 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,310 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,558 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,085 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,521 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,621 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,385 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,957 |
| Pixelated World Map | 0 | - | 5.00 | 142,756 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,364 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,809 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,950 |
| European Cities by Picture #2 | 0 | - | 4.45 | 38,031 |
| Flags of Oceania | 0 | - | 5.00 | 256,460 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,310 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,628 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,309 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,675 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,124 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,504 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,960 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,118 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,674 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,215 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,969 |
| Geography by Picture - B | 0 | - | 4.42 | 55,475 |
| Geography by Picture - H | 0 | - | 4.50 | 58,093 |
| Geography by Picture - N | 0 | - | 4.45 | 42,089 |
| Geography by Picture - R | 0 | - | 4.56 | 40,919 |
| Geography by Picture - T | 0 | - | 4.54 | 57,726 |
| Flags of WW1 | 0 | - | 4.60 | 38,094 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,768 |
| Boundary Waters | 0 | - | 4.92 | 88,159 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,913 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,544 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,656 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,033 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,945 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,087,114 |
| Landlocked Countries | 0 | - | 4.99 | 415,701 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 558,978 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,224 |
| Merged Countries #2 | 0 | - | 4.96 | 98,635 |
| Merged Countries #6 | 0 | - | 4.90 | 72,881 |
| Merged Countries #7 | 0 | - | 4.92 | 82,123 |
| Satellite Images #1 | 0 | - | 4.46 | 129,131 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,096 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,743 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,738 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,866 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,572 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,307 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,237 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,151 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,401 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,247 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,884 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,449 |
| Himalayan Countries | 0 | - | 4.95 | 136,099 |
| Andean Countries | 0 | - | 4.95 | 83,231 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,551 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,720 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,237 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,877 |
| Danube Countries | 0 | - | 4.97 | 71,294 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,051 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,748 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,947 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,891 |
| European Landlocked Countries | 0 | - | 4.99 | 146,001 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,591 |
| Countries with the Most Species | 0 | - | 4.99 | 95,367 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,721 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,282 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,451 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,089 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,739 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,111 |
| Countries in the Alps | 0 | - | 4.86 | 117,173 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,798 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,668 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,179 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,623 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,425 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,173 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,853 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,919 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,721 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,247 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,292 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,159 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,647 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,910 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,920 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,541 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,820 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,364 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,095 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,464 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,308 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,749 |
| Largest Countries By Category | 0 | - | 4.97 | 157,097 |
| Countries by Countries | 0 | - | 4.96 | 62,477 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,737 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,044 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,390 |
| Merged Country Flags | 0 | - | 4.88 | 106,245 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,416 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,322 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,251 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,995 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,660 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,928 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,563 |
| Geography by Picture - A | 0 | - | 4.39 | 60,107 |
| Geography by Picture - D | 0 | - | 4.15 | 45,541 |
| Geography by Picture - F | 0 | - | 4.31 | 50,874 |
| Geography by Picture - G | 0 | - | 4.38 | 47,842 |
| Geography by Picture - J | 0 | - | 4.16 | 38,368 |
| Geography by Picture - K | 0 | - | 4.29 | 33,044 |
| Geography by Picture - C | 0 | - | 4.31 | 56,967 |
| Geography by Picture - L | 0 | - | 4.37 | 58,824 |
| Geography by Picture - M | 0 | - | 4.14 | 40,371 |
| Geography by Picture - P | 0 | - | 4.24 | 42,335 |
| Geography by Picture - S | 0 | - | 4.38 | 46,951 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,947 |
