| All Country Flags of the World | 0 | - | 5.00 | 3,613,152 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,126 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,307 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,351 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,336 |
| Flags with Crescents | 0 | - | 4.98 | 167,890 |
| Country Flag Trivia | 0 | - | 4.81 | 56,108 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,632 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,613 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,146 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,182 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,601 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,049 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,504 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,440 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,314 |
| World Coats of Arms | 0 | - | 4.99 | 63,979 |
| Flags to Languages | 0 | - | 4.95 | 172,697 |
| Geography by Picture - B | 0 | - | 4.42 | 55,455 |
| Geography by Picture - H | 0 | - | 4.50 | 58,077 |
| Geography by Picture - N | 0 | - | 4.45 | 42,072 |
| Geography by Picture - R | 0 | - | 4.55 | 40,903 |
| Geography by Picture - T | 0 | - | 4.54 | 57,711 |
| Countries by Road Signs | 0 | - | 4.98 | 53,234 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,552 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,039 |
| Geography by Picture - A | 0 | - | 4.39 | 60,082 |
| Geography by Picture - D | 0 | - | 4.15 | 45,527 |
| Geography by Picture - F | 0 | - | 4.31 | 50,856 |
| Geography by Picture - G | 0 | - | 4.38 | 47,826 |
| Geography by Picture - J | 0 | - | 4.16 | 38,355 |
| Geography by Picture - K | 0 | - | 4.29 | 33,036 |
| Geography by Picture - C | 0 | - | 4.31 | 56,941 |
| Geography by Picture - L | 0 | - | 4.37 | 58,796 |
| Geography by Picture - M | 0 | - | 4.14 | 40,363 |
| Geography by Picture - P | 0 | - | 4.24 | 42,322 |
| Geography by Picture - S | 0 | - | 4.38 | 46,936 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,742 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,668 |
| Flag Maths | 0 | - | 4.78 | 57,692 |
| Satellite Images #1 | 0 | - | 4.46 | 129,082 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,048 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,701 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,697 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,843 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,477 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,391 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,105 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,746 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,898 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,730 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,267 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,470 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,040 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,460 |
| Emoji Flags | 0 | - | 4.35 | 43,858 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,275 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,847 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,204 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,692 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,258 |
| Boundary Waters | 0 | - | 4.92 | 88,111 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,879 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,443 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,514 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,957 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,862 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,384 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,780 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,279 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,584 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,913 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,975 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,769 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,843 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,861 |
| Pixelated World Map | 0 | - | 5.00 | 142,604 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,586 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,881 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,983 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,734 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,459 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,951 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,369 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,763 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,884 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,802 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,077 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,263 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,413 |
| Landforms by Picture | 0 | - | 4.31 | 20,592 |
| Geography by Picture - I | 0 | - | 4.00 | 39,334 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,130 |
| Former Flags | 0 | - | 4.97 | 106,893 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,694 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,914 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,830 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,908 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,656 |
| Flags of North and South America | 0 | - | 4.99 | 368,525 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,408 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,938 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,147 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,079 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,621 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,190 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,944 |
| Select the World Flags | 0 | - | 4.27 | 37,452 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,507 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,757 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,014,650 |
| Landlocked Countries | 0 | - | 4.99 | 414,811 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 556,293 |
| Flags of Oceania | 0 | - | 5.00 | 255,960 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,121 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,222 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,567 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,965 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,639 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,590 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,249 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,138 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,021 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,248 |
| World Capitals Quiz | 0 | - | 5.00 | 5,039,562 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,072 |
| Himalayan Countries | 0 | - | 4.95 | 135,783 |
| Andean Countries | 0 | - | 4.94 | 83,070 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,406 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,492 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,107 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,767 |
| Danube Countries | 0 | - | 4.97 | 71,210 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,931 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,659 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,749 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,659 |
| European Landlocked Countries | 0 | - | 4.99 | 145,902 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,410 |
| Countries with the Most Species | 0 | - | 4.99 | 95,313 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,564 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,242 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,415 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,030 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,673 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,037 |
| Countries in the Alps | 0 | - | 4.86 | 117,027 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,699 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,483 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,123 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,530 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,317 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,104 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,726 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,859 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,637 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,166 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,243 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,110 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,569 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,846 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,847 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,335 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,756 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,328 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,966 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,941 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,056 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,693 |
| Largest Countries By Category | 0 | - | 4.97 | 156,938 |
| Countries by Countries | 0 | - | 4.96 | 62,392 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,576 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,003 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,365 |
| Merged Country Flags | 0 | - | 4.88 | 106,135 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,118 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,230 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,941 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,883 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,726,403 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,186 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,737 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,835 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,526 |
| Geography by Picture - O | 0 | - | 4.00 | 28,063 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,689 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,753 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,658 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,275 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,511 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,743 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,706 |
| Longest International Borders | 0 | - | 4.99 | 264,015 |
| Countries with Three Borders | 0 | - | 4.96 | 36,264 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,666 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,758 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,900 |
| Demonym of Every Country | 0 | - | 4.91 | 58,747 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,205 |
| Islands by Picture | 0 | - | 4.29 | 106,097 |
