| All Country Flags of the World | 0 | - | 5.00 | 3,721,322 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,998 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,240 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,320 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,237 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,225 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,893 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,911 |
| Flags with Crescents | 0 | - | 4.98 | 171,608 |
| Country Flag Trivia | 0 | - | 4.82 | 58,227 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,088 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,574 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,798 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,585 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,741 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,430 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,281 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,249 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,110 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,674 |
| World Coats of Arms | 0 | - | 4.99 | 65,280 |
| Flags to Languages | 0 | - | 4.95 | 174,641 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,811 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,531 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,575 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,168 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,746 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,056 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,343 |
| Geography by Picture - B | 0 | - | 4.42 | 55,823 |
| Geography by Picture - H | 0 | - | 4.50 | 58,417 |
| Geography by Picture - N | 0 | - | 4.45 | 42,382 |
| Geography by Picture - R | 0 | - | 4.56 | 41,177 |
| Geography by Picture - T | 0 | - | 4.54 | 58,028 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,949 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,611 |
| Countries by Road Signs | 0 | - | 4.98 | 54,418 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,586 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,565 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,452 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,587 |
| Geography by Picture - A | 0 | - | 4.39 | 60,470 |
| Geography by Picture - D | 0 | - | 4.15 | 45,815 |
| Geography by Picture - F | 0 | - | 4.31 | 51,221 |
| Geography by Picture - G | 0 | - | 4.39 | 48,112 |
| Geography by Picture - J | 0 | - | 4.16 | 38,626 |
| Geography by Picture - K | 0 | - | 4.29 | 33,283 |
| Geography by Picture - C | 0 | - | 4.31 | 57,267 |
| Geography by Picture - L | 0 | - | 4.37 | 59,163 |
| Geography by Picture - M | 0 | - | 4.14 | 40,605 |
| Geography by Picture - P | 0 | - | 4.24 | 42,593 |
| Geography by Picture - S | 0 | - | 4.38 | 47,200 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,296 |
| Flag Maths | 0 | - | 4.61 | 57,858 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,633 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,621 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,504 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,097 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,244 |
| Emoji Flags | 0 | - | 4.35 | 44,314 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,463 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,227 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,405 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,535 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,522 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,106 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,304 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,755 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,490 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,826 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,516 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,459 |
| Pixelated World Map | 0 | - | 5.00 | 144,207 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,487 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,390 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,445 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,238 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,839 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,249 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,167 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,531 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,993 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,150 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,504 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,760 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,840 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,806 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,828 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,592 |
| Flags of North and South America | 0 | - | 4.99 | 377,684 |
| Former Flags | 0 | - | 4.97 | 108,745 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,288 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,609 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,281 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,077 |
| Geography by Picture - E | 0 | - | 3.54 | 47,514 |
| Landforms by Picture | 0 | - | 4.31 | 20,765 |
| Geography by Picture - I | 0 | - | 4.00 | 39,552 |
| Geography by Picture - O | 0 | - | 4.01 | 28,265 |
| Boundary Waters | 0 | - | 4.92 | 88,820 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,440 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,787 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,476 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,032 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,055 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,829 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,419 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,727 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,250 |
| Flags of Oceania | 0 | - | 5.00 | 263,199 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,742 |
| Select the World Flags | 0 | - | 4.28 | 38,018 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 137,837 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,547 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,847 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,569 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,264 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,942,448 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,202 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,141 |
| Landlocked Countries | 0 | - | 4.99 | 426,906 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,005 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,936 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,357 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,663 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,466 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,823 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,908 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,972 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,478 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,105 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,140 |
| World Capitals Quiz | 0 | - | 5.00 | 5,111,415 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,743 |
| Himalayan Countries | 0 | - | 4.93 | 140,668 |
| Andean Countries | 0 | - | 4.94 | 85,727 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,849 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,387 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,404 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,635 |
| Danube Countries | 0 | - | 4.97 | 72,513 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,737 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,939 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,363 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,820 |
| European Landlocked Countries | 0 | - | 4.99 | 147,703 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,625 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,575 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,802 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,935 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,899 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,655 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,103 |
| Countries in the Alps | 0 | - | 4.87 | 118,917 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,900 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,055 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,037 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,135 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,088 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,355 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,529 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,965 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,492 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,281 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,933 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,815 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,640 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,893 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,988 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,071 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,693 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,116 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,797 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,133 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,390 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,586 |
| Largest Countries By Category | 0 | - | 4.97 | 159,022 |
| Countries by Countries | 0 | - | 4.97 | 63,769 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,378 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,437 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,698 |
| Merged Country Flags | 0 | - | 4.88 | 107,448 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,304 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,505 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,191 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,822 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,554 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,020 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,857 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,649 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,223 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,317 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,628 |
| Longest International Borders | 0 | - | 4.99 | 265,934 |
| Countries with Three Borders | 0 | - | 4.96 | 36,813 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,405 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,545 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,202 |
| Demonym of Every Country | 0 | - | 4.90 | 61,585 |
