| All Country Flags of the World | 0 | - | 5.00 | 3,604,584 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,812 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,619 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,817 |
| Flags with Crescents | 0 | - | 4.98 | 167,632 |
| Country Flag Trivia | 0 | - | 4.81 | 55,974 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,472 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,499 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,957 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,071 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,810 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,264 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,973 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,406 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,717 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,713 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,325 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,659 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,681 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,420 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,765 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,841 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,611 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,334 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,853 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,283 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,687 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,790 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,421 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,715 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,786 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,995 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,056 |
| Flags of North and South America | 0 | - | 4.99 | 367,611 |
| Flags to Languages | 0 | - | 4.95 | 172,549 |
| Former Flags | 0 | - | 4.97 | 106,741 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,634 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,156 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,815 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,614 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,715 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,711 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,096 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,648 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,566 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,508 |
| Flag Maths | 0 | - | 4.78 | 57,681 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,418 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,985 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,455 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,378 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,287 |
| World Coats of Arms | 0 | - | 4.99 | 63,885 |
| Similar Flags #1 | 0 | - | 4.74 | 129,148 |
| Similar Flags #2 | 0 | - | 4.74 | 136,404 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,437 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,841 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,972 |
| Emoji Flags | 0 | - | 4.35 | 43,826 |
| Countries by Road Signs | 0 | - | 4.98 | 53,122 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,056 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,002 |
| Select the World Flags | 0 | - | 4.27 | 37,420 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,327 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,588 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,064 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,699 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,846 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,688 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,229 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,402 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,993 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,404 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,849 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,466 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,898 |
| Pixelated World Map | 0 | - | 5.00 | 142,479 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,706 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,417 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,725 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,941 |
| Boundary Waters | 0 | - | 4.92 | 88,062 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,826 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,319 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,340 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,863 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,765 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,297 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,919 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,049 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,579 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,161 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,921 |
| Geography by Picture - B | 0 | - | 4.42 | 55,425 |
| Geography by Picture - H | 0 | - | 4.49 | 58,058 |
| Geography by Picture - N | 0 | - | 4.45 | 42,056 |
| Geography by Picture - R | 0 | - | 4.55 | 40,884 |
| Geography by Picture - T | 0 | - | 4.54 | 57,685 |
| Flags of Oceania | 0 | - | 5.00 | 255,382 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,929 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,485 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,107 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,456 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,855 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,939,885 |
| Flags of WW1 | 0 | - | 4.60 | 37,966 |
| Landlocked Countries | 0 | - | 4.99 | 413,835 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,592 |
| Satellite Images #1 | 0 | - | 4.46 | 129,031 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,001 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,662 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,659 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,814 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,390 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,743 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,181 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,031 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,682 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,068 |
| World Capitals Quiz | 0 | - | 5.00 | 5,033,140 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,682 |
| Himalayan Countries | 0 | - | 4.95 | 135,441 |
| Andean Countries | 0 | - | 4.94 | 82,856 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,254 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,254 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,940 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,631 |
| Danube Countries | 0 | - | 4.97 | 71,097 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,785 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,555 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,529 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,453 |
| European Landlocked Countries | 0 | - | 4.99 | 145,779 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,240 |
| Countries with the Most Species | 0 | - | 4.99 | 95,254 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,386 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,205 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,375 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,970 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,589 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,966 |
| Countries in the Alps | 0 | - | 4.86 | 116,864 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,586 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,290 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,025 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,441 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,197 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,024 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,600 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,776 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,392 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,082 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,202 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,053 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,463 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,775 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,770 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,121 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,665 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,266 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,799 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,422 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,741 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,616 |
| Largest Countries By Category | 0 | - | 4.97 | 156,800 |
| Countries by Countries | 0 | - | 4.96 | 62,276 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,426 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,973 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,339 |
| Merged Country Flags | 0 | - | 4.88 | 106,037 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,755 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,134 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,073 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,789 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,034 |
| Merged Countries #2 | 0 | - | 4.96 | 98,503 |
| Merged Countries #6 | 0 | - | 4.91 | 72,735 |
| Merged Countries #7 | 0 | - | 4.92 | 81,986 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,737 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,493 |
| Geography by Picture - A | 0 | - | 4.39 | 60,061 |
| Geography by Picture - D | 0 | - | 4.15 | 45,502 |
| Geography by Picture - F | 0 | - | 4.31 | 50,837 |
| Geography by Picture - G | 0 | - | 4.38 | 47,798 |
| Geography by Picture - J | 0 | - | 4.16 | 38,342 |
| Geography by Picture - K | 0 | - | 4.28 | 33,023 |
| Geography by Picture - C | 0 | - | 4.31 | 56,919 |
| Geography by Picture - L | 0 | - | 4.37 | 58,770 |
| Geography by Picture - M | 0 | - | 4.14 | 40,351 |
| Geography by Picture - P | 0 | - | 4.24 | 42,306 |
| Geography by Picture - S | 0 | - | 4.38 | 46,919 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,572 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,243 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,455 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,485 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,639 |
| Longest International Borders | 0 | - | 4.99 | 263,565 |
| Countries with Three Borders | 0 | - | 4.96 | 36,195 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,613 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,698 |
