| All Country Flags of the World | 0 | - | 5.00 | 3,617,179 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,694 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,085 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,533 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,164 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,094 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,711 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,594 |
| Flags with Crescents | 0 | - | 4.98 | 167,998 |
| Country Flag Trivia | 0 | - | 4.81 | 56,165 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,699 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,681 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,224 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,230 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,067 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,723 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,718 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,856 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,464 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,330 |
| World Coats of Arms | 0 | - | 4.99 | 64,030 |
| Flags to Languages | 0 | - | 4.95 | 172,783 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,129 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,774 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,925 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,746 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,293 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,907 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,260 |
| Geography by Picture - B | 0 | - | 4.42 | 55,464 |
| Geography by Picture - H | 0 | - | 4.50 | 58,088 |
| Geography by Picture - N | 0 | - | 4.45 | 42,081 |
| Geography by Picture - R | 0 | - | 4.55 | 40,912 |
| Geography by Picture - T | 0 | - | 4.54 | 57,716 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,283 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,703 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,594 |
| Countries by Road Signs | 0 | - | 4.98 | 53,271 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,060 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,460 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,951 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,753 |
| Geography by Picture - A | 0 | - | 4.39 | 60,092 |
| Geography by Picture - D | 0 | - | 4.15 | 45,534 |
| Geography by Picture - F | 0 | - | 4.31 | 50,864 |
| Geography by Picture - G | 0 | - | 4.38 | 47,837 |
| Geography by Picture - J | 0 | - | 4.16 | 38,359 |
| Geography by Picture - K | 0 | - | 4.29 | 33,039 |
| Geography by Picture - C | 0 | - | 4.31 | 56,952 |
| Geography by Picture - L | 0 | - | 4.37 | 58,811 |
| Geography by Picture - M | 0 | - | 4.14 | 40,368 |
| Geography by Picture - P | 0 | - | 4.24 | 42,327 |
| Geography by Picture - S | 0 | - | 4.38 | 46,942 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,896 |
| Flag Maths | 0 | - | 4.78 | 57,694 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,527 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,427 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,512 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,067 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,490 |
| Emoji Flags | 0 | - | 4.35 | 43,874 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,374 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,094 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,425 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,503 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,885 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,377 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,159 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,059 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,921 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,917 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,902 |
| Pixelated World Map | 0 | - | 5.00 | 142,687 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,674 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,948 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,027 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,782 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,516 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,991 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,403 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,796 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,913 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,872 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,165 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,345 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,473 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,158 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,220 |
| Flags of North and South America | 0 | - | 4.99 | 368,928 |
| Former Flags | 0 | - | 4.97 | 106,957 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,110 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,415 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,707 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,959 |
| Geography by Picture - E | 0 | - | 3.55 | 47,300 |
| Landforms by Picture | 0 | - | 4.31 | 20,598 |
| Geography by Picture - I | 0 | - | 4.00 | 39,340 |
| Boundary Waters | 0 | - | 4.92 | 88,129 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,897 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,494 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,588 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,997 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,900 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,225 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,104 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,655 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,205 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,961 |
| Flags of Oceania | 0 | - | 5.00 | 256,190 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,214 |
| Select the World Flags | 0 | - | 4.27 | 37,476 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,527 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,261 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,621 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,040 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,769 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,051,118 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,665 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,611 |
| Landlocked Countries | 0 | - | 4.99 | 415,292 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 557,613 |
| 20 Random Country Flags | 0 | - | 4.99 | 606,482 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,229 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,770 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,759 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,611 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,764 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,289 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,202 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,087 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,327 |
| World Capitals Quiz | 0 | - | 5.00 | 5,042,322 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,261 |
| Himalayan Countries | 0 | - | 4.95 | 135,951 |
| Andean Countries | 0 | - | 4.94 | 83,160 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,480 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,615 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,177 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,823 |
| Danube Countries | 0 | - | 4.97 | 71,259 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,988 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,706 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,845 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,785 |
| European Landlocked Countries | 0 | - | 4.99 | 145,954 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,506 |
| Countries with the Most Species | 0 | - | 4.99 | 95,341 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,636 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,267 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,439 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,063 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,712 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,068 |
| Countries in the Alps | 0 | - | 4.86 | 117,110 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,753 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,579 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,156 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,580 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,372 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,792 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,892 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,682 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,203 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,272 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,137 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,610 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,875 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,888 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,446 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,794 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,014 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,219 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,170 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,724 |
| Largest Countries By Category | 0 | - | 4.97 | 157,014 |
| Countries by Countries | 0 | - | 4.96 | 62,434 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,657 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,021 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,376 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,277 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,268 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,931 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,730,257 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,879 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,551 |
| Geography by Picture - O | 0 | - | 4.00 | 28,069 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,713 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,285 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,533 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,878 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,750 |
| Longest International Borders | 0 | - | 4.99 | 264,098 |
| Countries with Three Borders | 0 | - | 4.96 | 36,284 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,698 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,790 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,917 |
| Demonym of Every Country | 0 | - | 4.91 | 58,791 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,212 |
