| All Country Flags of the World | 0 | - | 5.00 | 3,603,552 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,601 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,524 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,762 |
| Flags with Crescents | 0 | - | 4.98 | 167,606 |
| Country Flag Trivia | 0 | - | 4.81 | 55,956 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,451 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,478 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,936 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,058 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,785 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,245 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,944 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,392 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,507 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,687 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,271 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,643 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,662 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,406 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,755 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,830 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,597 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,317 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,841 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,282 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,679 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,777 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,408 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,708 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,774 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,987 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,050 |
| Flags of North and South America | 0 | - | 4.99 | 367,443 |
| Flags to Languages | 0 | - | 4.95 | 172,518 |
| Former Flags | 0 | - | 4.97 | 106,726 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,629 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,155 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,805 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,604 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,712 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,582 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,084 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,641 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,544 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,492 |
| Flag Maths | 0 | - | 4.78 | 57,678 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,392 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,975 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,452 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,373 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,283 |
| World Coats of Arms | 0 | - | 4.99 | 63,873 |
| Similar Flags #1 | 0 | - | 4.74 | 129,127 |
| Similar Flags #2 | 0 | - | 4.74 | 136,388 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,418 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,820 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,947 |
| Emoji Flags | 0 | - | 4.35 | 43,820 |
| Countries by Road Signs | 0 | - | 4.98 | 53,108 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,045 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,998 |
| Select the World Flags | 0 | - | 4.27 | 37,411 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,312 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,574 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,057 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,690 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,834 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,686 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,229 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,387 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,990 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,402 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,837 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,172 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,767 |
| Pixelated World Map | 0 | - | 5.00 | 142,462 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,584 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,408 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,714 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,937 |
| Boundary Waters | 0 | - | 4.92 | 88,056 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,822 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,308 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,322 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,852 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,750 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,291 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,915 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,047 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,576 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,159 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,921 |
| Geography by Picture - B | 0 | - | 4.42 | 55,420 |
| Geography by Picture - H | 0 | - | 4.49 | 58,055 |
| Geography by Picture - N | 0 | - | 4.45 | 42,052 |
| Geography by Picture - R | 0 | - | 4.55 | 40,882 |
| Geography by Picture - T | 0 | - | 4.54 | 57,681 |
| Flags of Oceania | 0 | - | 5.00 | 255,300 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,904 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,466 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,088 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,435 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,845 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,930,645 |
| Flags of WW1 | 0 | - | 4.60 | 37,953 |
| Landlocked Countries | 0 | - | 4.99 | 413,738 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,318 |
| Satellite Images #1 | 0 | - | 4.46 | 129,021 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,993 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,656 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,654 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,812 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,378 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,740 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,168 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,019 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,656 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,040 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,484 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,646 |
| Himalayan Countries | 0 | - | 4.95 | 135,410 |
| Andean Countries | 0 | - | 4.94 | 82,844 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,235 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,234 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,927 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,624 |
| Danube Countries | 0 | - | 4.97 | 71,094 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,776 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,547 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,515 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,423 |
| European Landlocked Countries | 0 | - | 4.99 | 145,767 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,228 |
| Countries with the Most Species | 0 | - | 4.99 | 95,247 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,368 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,202 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,372 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,964 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,581 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,957 |
| Countries in the Alps | 0 | - | 4.86 | 116,840 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,581 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,278 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,020 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,432 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,184 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,011 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,592 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,769 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,345 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,075 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,198 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,049 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,460 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,758 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,763 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,099 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,657 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,260 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,779 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,362 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,713 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,611 |
| Largest Countries By Category | 0 | - | 4.97 | 156,780 |
| Countries by Countries | 0 | - | 4.96 | 62,269 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,404 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,964 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,335 |
| Merged Country Flags | 0 | - | 4.88 | 106,028 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,714 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,118 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,065 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,778 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,718,079 |
| Merged Countries #2 | 0 | - | 4.96 | 98,496 |
| Merged Countries #6 | 0 | - | 4.91 | 72,725 |
| Merged Countries #7 | 0 | - | 4.92 | 81,976 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,723 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,491 |
| Geography by Picture - A | 0 | - | 4.39 | 60,056 |
| Geography by Picture - D | 0 | - | 4.15 | 45,497 |
| Geography by Picture - F | 0 | - | 4.31 | 50,831 |
| Geography by Picture - G | 0 | - | 4.38 | 47,794 |
| Geography by Picture - J | 0 | - | 4.16 | 38,338 |
| Geography by Picture - K | 0 | - | 4.28 | 33,018 |
| Geography by Picture - C | 0 | - | 4.31 | 56,913 |
| Geography by Picture - L | 0 | - | 4.37 | 58,766 |
| Geography by Picture - M | 0 | - | 4.14 | 40,349 |
| Geography by Picture - P | 0 | - | 4.24 | 42,302 |
| Geography by Picture - S | 0 | - | 4.38 | 46,913 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,569 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,241 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,452 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,450 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,631 |
| Longest International Borders | 0 | - | 4.99 | 263,552 |
| Countries with Three Borders | 0 | - | 4.96 | 36,187 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,607 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,684 |
