| All Country Flags of the World | 0 | - | 5.00 | 3,657,855 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,155 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,372 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,099 |
| Flags with Crescents | 0 | - | 4.98 | 169,370 |
| Country Flag Trivia | 0 | - | 4.81 | 56,943 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,640 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,413 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,268 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,212 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,732 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,522 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,770 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,278 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,146 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,184 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,885 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,000 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,443 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,416 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,352 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,448 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,546 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,324 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,010 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,447 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,676 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,065 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,312 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,353 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,677 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,901 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,996 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,806 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,403 |
| Flags of North and South America | 0 | - | 4.99 | 372,652 |
| Flags to Languages | 0 | - | 4.95 | 173,547 |
| Former Flags | 0 | - | 4.97 | 107,629 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,907 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,485 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,391 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,932 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,488 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,665 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,096 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,443 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,458 |
| Flag Maths | 0 | - | 4.64 | 57,756 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,477 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,431 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,782 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,724 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,476 |
| World Coats of Arms | 0 | - | 4.99 | 64,439 |
| Similar Flags #1 | 0 | - | 4.75 | 129,937 |
| Similar Flags #2 | 0 | - | 4.74 | 137,230 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,470 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,677 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,273 |
| Emoji Flags | 0 | - | 4.35 | 44,065 |
| Countries by Road Signs | 0 | - | 4.98 | 53,736 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,540 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,240 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,656 |
| Select the World Flags | 0 | - | 4.27 | 37,708 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,903 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,880 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,356 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,053 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,143 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,900 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,463 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,375 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,358 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,786 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,631 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,487 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,797 |
| Pixelated World Map | 0 | - | 5.00 | 143,306 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,485 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,047 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,430 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,182 |
| Boundary Waters | 0 | - | 4.92 | 88,431 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,127 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,012 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,341 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,414 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,349 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,002 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,057 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,330 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,054 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,409 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,109 |
| Geography by Picture - B | 0 | - | 4.42 | 55,590 |
| Geography by Picture - H | 0 | - | 4.50 | 58,214 |
| Geography by Picture - N | 0 | - | 4.45 | 42,195 |
| Geography by Picture - R | 0 | - | 4.56 | 41,016 |
| Geography by Picture - T | 0 | - | 4.54 | 57,828 |
| Flags of Oceania | 0 | - | 5.00 | 258,722 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,160 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,964 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,792 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,115 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,664 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,401,876 |
| Flags of WW1 | 0 | - | 4.60 | 38,348 |
| Landlocked Countries | 0 | - | 4.99 | 419,775 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,423 |
| Satellite Images #1 | 0 | - | 4.47 | 129,340 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,278 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,896 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,901 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,966 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,946 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,817 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,549 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,743 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,833 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,053 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,081 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,352 |
| Himalayan Countries | 0 | - | 4.95 | 137,783 |
| Andean Countries | 0 | - | 4.95 | 84,108 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,342 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,886 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,974 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,452 |
| Danube Countries | 0 | - | 4.97 | 71,747 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,674 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,146 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,817 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,891 |
| European Landlocked Countries | 0 | - | 4.99 | 146,870 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,253 |
| Countries with the Most Species | 0 | - | 4.99 | 103,014 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,411 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,460 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,626 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,376 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,047 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,446 |
| Countries in the Alps | 0 | - | 4.87 | 117,832 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,226 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,557 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,473 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,351 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,216 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,783 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,382 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,267 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,027 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,631 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,527 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,375 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,996 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,266 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,284 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,379 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,122 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,630 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,673 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,783 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,466 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,049 |
| Largest Countries By Category | 0 | - | 4.97 | 157,796 |
| Countries by Countries | 0 | - | 4.97 | 62,934 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,340 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,184 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,490 |
| Merged Country Flags | 0 | - | 4.88 | 106,691 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,831 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,726 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,590 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,419 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,476 |
| Merged Countries #2 | 0 | - | 4.96 | 99,003 |
| Merged Countries #6 | 0 | - | 4.90 | 73,210 |
| Merged Countries #7 | 0 | - | 4.93 | 82,555 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,482 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,773 |
| Geography by Picture - A | 0 | - | 4.39 | 60,237 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,987 |
| Geography by Picture - G | 0 | - | 4.38 | 47,939 |
| Geography by Picture - J | 0 | - | 4.16 | 38,458 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,059 |
| Geography by Picture - L | 0 | - | 4.37 | 58,945 |
| Geography by Picture - M | 0 | - | 4.14 | 40,450 |
| Geography by Picture - P | 0 | - | 4.24 | 42,430 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,307 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,421 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,792 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,363 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,134 |
| Longest International Borders | 0 | - | 4.99 | 264,829 |
| Countries with Three Borders | 0 | - | 4.96 | 36,497 |
