| All Country Flags of the World | 0 | - | 5.00 | 3,729,332 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,146 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,307 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,360 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,326 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,553 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,673 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,398 |
| Flags with Crescents | 0 | - | 4.98 | 171,879 |
| Country Flag Trivia | 0 | - | 4.82 | 58,390 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,264 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,706 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,013 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,692 |
| 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 | 50,341 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,298 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,155 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,702 |
| World Coats of Arms | 0 | - | 4.99 | 65,376 |
| Flags to Languages | 0 | - | 4.95 | 174,788 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,862 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,575 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,618 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,203 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,777 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,146 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,431 |
| Geography by Picture - B | 0 | - | 4.42 | 55,845 |
| Geography by Picture - H | 0 | - | 4.50 | 58,446 |
| Geography by Picture - N | 0 | - | 4.45 | 42,410 |
| Geography by Picture - R | 0 | - | 4.56 | 41,209 |
| Geography by Picture - T | 0 | - | 4.54 | 58,067 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,751 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,964 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,722 |
| Countries by Road Signs | 0 | - | 4.98 | 54,499 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,624 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,751 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,491 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,790 |
| Geography by Picture - A | 0 | - | 4.39 | 60,504 |
| Geography by Picture - D | 0 | - | 4.15 | 45,836 |
| Geography by Picture - F | 0 | - | 4.31 | 51,248 |
| Geography by Picture - G | 0 | - | 4.39 | 48,139 |
| Geography by Picture - J | 0 | - | 4.16 | 38,649 |
| Geography by Picture - K | 0 | - | 4.29 | 33,305 |
| Geography by Picture - C | 0 | - | 4.31 | 57,299 |
| Geography by Picture - L | 0 | - | 4.37 | 59,196 |
| Geography by Picture - M | 0 | - | 4.14 | 40,638 |
| Geography by Picture - P | 0 | - | 4.24 | 42,620 |
| Geography by Picture - S | 0 | - | 4.38 | 47,229 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,532 |
| Flag Maths | 0 | - | 4.61 | 57,871 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,725 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,698 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,599 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,141 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,296 |
| Emoji Flags | 0 | - | 4.35 | 44,344 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,796 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,529 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,476 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,740 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,738 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,335 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,423 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,906 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,703 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 78,023 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,633 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,570 |
| Pixelated World Map | 0 | - | 5.00 | 144,775 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,629 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,513 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,561 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,361 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,943 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,355 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,229 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,586 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,058 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,236 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,608 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,852 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,929 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,913 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,887 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,648 |
| Flags of North and South America | 0 | - | 4.99 | 378,512 |
| Former Flags | 0 | - | 4.97 | 108,889 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,302 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,712 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,330 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,142 |
| Geography by Picture - E | 0 | - | 3.54 | 47,535 |
| Landforms by Picture | 0 | - | 4.31 | 20,781 |
| Geography by Picture - I | 0 | - | 4.00 | 39,573 |
| Geography by Picture - O | 0 | - | 4.01 | 28,289 |
| 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 | 96,905 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,643 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,106 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,125 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,854 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,475 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,766 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,269 |
| Flags of Oceania | 0 | - | 5.00 | 263,718 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,966 |
| Select the World Flags | 0 | - | 4.28 | 38,065 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 139,079 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,036 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,976 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,724 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,295 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,009,012 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,248 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,170 |
| Landlocked Countries | 0 | - | 4.99 | 427,734 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,312 |
| 20 Random Country Flags | 0 | - | 4.99 | 621,033 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,447 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,721 |
| Flags of the Mediterranean | 0 | - | 4.95 | 149,598 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,839 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,919 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,020 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,567 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,239 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,267 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,250 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,143 |
| Himalayan Countries | 0 | - | 4.93 | 141,029 |
| Andean Countries | 0 | - | 4.94 | 85,904 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,018 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,640 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,564 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,767 |
| Danube Countries | 0 | - | 4.97 | 72,610 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,878 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,026 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,539 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,020 |
| European Landlocked Countries | 0 | - | 4.99 | 147,824 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,610 |
| Countries with the Most Species | 0 | - | 4.99 | 103,673 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,716 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,835 |
| 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 | 73,710 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,178 |
| Countries in the Alps | 0 | - | 4.87 | 119,054 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,131 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,260 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,094 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,222 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,194 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,428 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,648 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,036 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,541 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,353 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,983 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,853 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,709 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,964 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,066 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,264 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,770 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,793 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,909 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,578 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,641 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,644 |
| Largest Countries By Category | 0 | - | 4.97 | 159,198 |
| Countries by Countries | 0 | - | 4.97 | 63,858 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,528 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,460 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,719 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,635 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,606 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,292 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,816 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,633 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,036 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,929 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,671 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,291 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,547 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,698 |
| Longest International Borders | 0 | - | 4.99 | 266,090 |
| Countries with Three Borders | 0 | - | 4.96 | 36,860 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,450 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,595 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,220 |
| Demonym of Every Country | 0 | - | 4.90 | 61,698 |
