| All Country Flags of the World | 0 | - | 5.00 | 3,608,073 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,458 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,943 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,055 |
| Flags with Crescents | 0 | - | 4.98 | 167,759 |
| Country Flag Trivia | 0 | - | 4.81 | 56,018 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,537 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,543 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,049 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,120 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,139 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,574 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,115 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,500 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,393 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,841 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,548 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,760 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,769 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,507 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,826 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,912 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,676 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,402 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,902 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,327 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,734 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,829 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,653 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,935 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,073 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,257 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,092 |
| Flags of North and South America | 0 | - | 4.99 | 368,015 |
| Flags to Languages | 0 | - | 4.95 | 172,624 |
| Former Flags | 0 | - | 4.97 | 106,817 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,661 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,165 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,856 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 30,929 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 19,212 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,737 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,372 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,131 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,688 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,619 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,579 |
| Flag Maths | 0 | - | 4.78 | 57,686 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,493 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,015 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,472 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,406 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,297 |
| World Coats of Arms | 0 | - | 4.99 | 63,938 |
| Similar Flags #1 | 0 | - | 4.74 | 129,211 |
| Similar Flags #2 | 0 | - | 4.74 | 136,462 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,494 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,905 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,049 |
| Emoji Flags | 0 | - | 4.35 | 43,841 |
| Countries by Road Signs | 0 | - | 4.98 | 53,172 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,087 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,016 |
| Select the World Flags | 0 | - | 4.27 | 37,431 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,358 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,610 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,083 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,716 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,856 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 46,707 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,242 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,432 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,011 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,429 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,906 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,474 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,323 |
| Pixelated World Map | 0 | - | 5.00 | 142,533 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,077 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,465 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,773 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,962 |
| Boundary Waters | 0 | - | 4.92 | 88,077 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,844 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,374 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,417 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,897 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,808 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,338 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,927 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,060 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,597 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,170 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,928 |
| Geography by Picture - B | 0 | - | 4.42 | 55,436 |
| Geography by Picture - H | 0 | - | 4.50 | 58,067 |
| Geography by Picture - N | 0 | - | 4.45 | 42,064 |
| Geography by Picture - R | 0 | - | 4.55 | 40,889 |
| Geography by Picture - T | 0 | - | 4.54 | 57,694 |
| Flags of Oceania | 0 | - | 5.00 | 255,664 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,011 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,512 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,152 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,504 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,903 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,970,395 |
| Flags of WW1 | 0 | - | 4.60 | 37,995 |
| Landlocked Countries | 0 | - | 4.99 | 414,244 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,768 |
| Satellite Images #1 | 0 | - | 4.46 | 129,052 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,021 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,673 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,677 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,825 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,425 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,744 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,212 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,071 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,759 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,163 |
| World Capitals Quiz | 0 | - | 5.00 | 5,035,558 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,841 |
| Himalayan Countries | 0 | - | 4.95 | 135,569 |
| Andean Countries | 0 | - | 4.94 | 82,947 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,310 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,352 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,014 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,681 |
| Danube Countries | 0 | - | 4.97 | 71,133 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,841 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,604 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,610 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,525 |
| European Landlocked Countries | 0 | - | 4.99 | 145,831 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,300 |
| Countries with the Most Species | 0 | - | 4.99 | 95,281 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,442 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,220 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,389 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,989 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,625 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,001 |
| Countries in the Alps | 0 | - | 4.86 | 116,924 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,637 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,374 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,063 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,476 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,247 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,058 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,662 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,813 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,520 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,116 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,215 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,077 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,496 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,795 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,197 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,707 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,289 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,860 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,611 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,872 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,637 |
| Largest Countries By Category | 0 | - | 4.97 | 156,866 |
| Countries by Countries | 0 | - | 4.96 | 62,322 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,505 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,982 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,349 |
| Merged Country Flags | 0 | - | 4.88 | 106,085 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,911 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,176 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,113 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,828 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,721,981 |
| Merged Countries #2 | 0 | - | 4.96 | 98,523 |
| Merged Countries #6 | 0 | - | 4.91 | 72,770 |
| Merged Countries #7 | 0 | - | 4.92 | 82,019 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,781 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,512 |
| Geography by Picture - A | 0 | - | 4.39 | 60,066 |
| Geography by Picture - D | 0 | - | 4.15 | 45,516 |
| Geography by Picture - F | 0 | - | 4.31 | 50,844 |
| Geography by Picture - G | 0 | - | 4.38 | 47,810 |
| Geography by Picture - J | 0 | - | 4.16 | 38,348 |
| Geography by Picture - K | 0 | - | 4.29 | 33,030 |
| Geography by Picture - C | 0 | - | 4.31 | 56,926 |
| Geography by Picture - L | 0 | - | 4.37 | 58,782 |
| Geography by Picture - M | 0 | - | 4.14 | 40,356 |
| Geography by Picture - P | 0 | - | 4.24 | 42,316 |
| Geography by Picture - S | 0 | - | 4.38 | 46,929 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,602 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,253 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,474 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,602 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,676 |
| Longest International Borders | 0 | - | 4.99 | 263,917 |
| Countries with Three Borders | 0 | - | 4.96 | 36,226 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,634 |
