| All Country Flags of the World | 0 | - | 5.00 | 3,672,753 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,041 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,790 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,019 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,681 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,676 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,654 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,957 |
| Flags with Crescents | 0 | - | 4.98 | 169,860 |
| Country Flag Trivia | 0 | - | 4.81 | 57,193 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,973 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,669 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,611 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,946 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,354 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,957 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,976 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,019 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,817 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,531 |
| World Coats of Arms | 0 | - | 4.99 | 64,629 |
| Flags to Languages | 0 | - | 4.95 | 173,796 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,514 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,203 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,285 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,970 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,550 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,525 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,836 |
| Geography by Picture - B | 0 | - | 4.42 | 55,648 |
| Geography by Picture - H | 0 | - | 4.50 | 58,265 |
| Geography by Picture - N | 0 | - | 4.45 | 42,231 |
| Geography by Picture - R | 0 | - | 4.56 | 41,054 |
| Geography by Picture - T | 0 | - | 4.54 | 57,880 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,426 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,838 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,103 |
| Countries by Road Signs | 0 | - | 4.98 | 53,938 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,314 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,189 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,093 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,715 |
| Geography by Picture - A | 0 | - | 4.39 | 60,296 |
| Geography by Picture - D | 0 | - | 4.15 | 45,686 |
| Geography by Picture - F | 0 | - | 4.31 | 51,046 |
| Geography by Picture - G | 0 | - | 4.39 | 47,980 |
| Geography by Picture - J | 0 | - | 4.16 | 38,493 |
| Geography by Picture - K | 0 | - | 4.29 | 33,157 |
| Geography by Picture - C | 0 | - | 4.31 | 57,111 |
| Geography by Picture - L | 0 | - | 4.37 | 59,013 |
| Geography by Picture - M | 0 | - | 4.14 | 40,488 |
| Geography by Picture - P | 0 | - | 4.24 | 42,460 |
| Geography by Picture - S | 0 | - | 4.38 | 47,069 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,755 |
| Flag Maths | 0 | - | 4.64 | 57,776 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,100 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,068 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,469 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,815 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,937 |
| Emoji Flags | 0 | - | 4.35 | 44,133 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,762 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,374 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,665 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,042 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,248 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,755 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,484 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,597 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,284 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,458 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,723 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,654 |
| Pixelated World Map | 0 | - | 5.00 | 143,521 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,647 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,681 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,771 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,546 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,206 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,638 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,781 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,183 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,467 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,551 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,889 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,093 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,201 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,046 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,518 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,291 |
| Flags of North and South America | 0 | - | 4.99 | 373,756 |
| Former Flags | 0 | - | 4.97 | 107,858 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,184 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 72,041 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,996 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,557 |
| Geography by Picture - E | 0 | - | 3.55 | 47,407 |
| Landforms by Picture | 0 | - | 4.31 | 20,691 |
| Geography by Picture - I | 0 | - | 4.00 | 39,453 |
| Geography by Picture - O | 0 | - | 4.01 | 28,162 |
| Boundary Waters | 0 | - | 4.92 | 88,516 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,216 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,190 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,593 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,534 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,498 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,603 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,039 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,497 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,058 |
| Flags of Oceania | 0 | - | 5.00 | 259,945 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,523 |
| Select the World Flags | 0 | - | 4.27 | 37,799 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,968 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,956 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,312 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,887 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,014 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,529,445 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,958 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,902 |
| Landlocked Countries | 0 | - | 4.99 | 421,307 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,891 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,675 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,822 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,240 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,694 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,712 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,833 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,669 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,948 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,306 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,308 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,307 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,123 |
| Himalayan Countries | 0 | - | 4.95 | 138,421 |
| Andean Countries | 0 | - | 4.93 | 84,433 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,646 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,599 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,276 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,675 |
| Danube Countries | 0 | - | 4.97 | 71,929 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,914 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,344 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,158 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,615 |
| European Landlocked Countries | 0 | - | 4.99 | 147,058 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,506 |
| Countries with the Most Species | 0 | - | 4.99 | 103,167 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,660 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,546 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,689 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,493 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,173 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,585 |
| Countries in the Alps | 0 | - | 4.87 | 118,092 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,616 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,909 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,602 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,529 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,416 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,892 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,578 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,434 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,136 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,781 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,613 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,470 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,153 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,409 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,447 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,731 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,243 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 61,484 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,943 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,586 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,905 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,165 |
| Largest Countries By Category | 0 | - | 4.97 | 158,084 |
| Countries by Countries | 0 | - | 4.96 | 63,117 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,591 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,253 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,540 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,374 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,914 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,602 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,700 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,655 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,830 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,443 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,468 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,891 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,821 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,246 |
| Longest International Borders | 0 | - | 4.99 | 265,084 |
| Countries with Three Borders | 0 | - | 4.96 | 36,573 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,080 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,176 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,050 |
| Demonym of Every Country | 0 | - | 4.91 | 60,491 |
