| All Country Flags of the World | 0 | - | 5.00 | 3,615,001 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,668 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,522 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,444 |
| Flags with Crescents | 0 | - | 4.98 | 167,942 |
| Country Flag Trivia | 0 | - | 4.81 | 56,137 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,669 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,647 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,182 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,201 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,436 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,828 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,321 |
| Country Flags with the Southern Cross | 0 | - | 4.80 | 61,614 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,040 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,013 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,841 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,871 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,879 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,623 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,917 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,996 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,759 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,492 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,969 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,378 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,777 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,895 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,827 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,117 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,305 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,441 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,142 |
| Flags of North and South America | 0 | - | 4.99 | 368,695 |
| Flags to Languages | 0 | - | 4.95 | 172,738 |
| Former Flags | 0 | - | 4.97 | 106,922 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,701 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,173 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,931 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,183 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,762 |
| 20 Random Country Flags | 0 | - | 4.99 | 606,186 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,206 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,756 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,716 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,710 |
| Flag Maths | 0 | - | 4.78 | 57,693 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,646 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,072 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,515 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,452 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,321 |
| World Coats of Arms | 0 | - | 4.99 | 64,005 |
| Similar Flags #1 | 0 | - | 4.74 | 129,300 |
| Similar Flags #2 | 0 | - | 4.74 | 136,558 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,610 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,020 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,205 |
| Emoji Flags | 0 | - | 4.35 | 43,867 |
| Countries by Road Signs | 0 | - | 4.98 | 53,250 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,139 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,052 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 21,877 |
| Select the World Flags | 0 | - | 4.27 | 37,465 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,411 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,652 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,119 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,760 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,914 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,737 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,280 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,486 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,052 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,474 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,985 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,379 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,161 |
| Pixelated World Map | 0 | - | 5.00 | 142,642 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,908 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,548 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,876 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,997 |
| Boundary Waters | 0 | - | 4.92 | 88,123 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,890 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,466 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,548 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,977 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,882 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,435 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,947 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,089 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,633 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,198 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,950 |
| Geography by Picture - B | 0 | - | 4.42 | 55,459 |
| Geography by Picture - H | 0 | - | 4.50 | 58,083 |
| Geography by Picture - N | 0 | - | 4.45 | 42,078 |
| Geography by Picture - R | 0 | - | 4.55 | 40,908 |
| Geography by Picture - T | 0 | - | 4.54 | 57,715 |
| Flags of Oceania | 0 | - | 5.00 | 256,067 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,158 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,571 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,240 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,590 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,994 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,030,338 |
| Flags of WW1 | 0 | - | 4.60 | 38,040 |
| Landlocked Countries | 0 | - | 4.99 | 415,015 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 556,937 |
| Satellite Images #1 | 0 | - | 4.46 | 129,092 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,051 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,713 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,704 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,851 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,502 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,758 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,265 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,164 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,047 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,281 |
| World Capitals Quiz | 0 | - | 5.00 | 5,040,926 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,158 |
| Himalayan Countries | 0 | - | 4.95 | 135,860 |
| Andean Countries | 0 | - | 4.94 | 83,104 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,429 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,541 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,134 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,788 |
| Danube Countries | 0 | - | 4.97 | 71,234 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,956 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,673 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,790 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,708 |
| European Landlocked Countries | 0 | - | 4.99 | 145,936 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,455 |
| Countries with the Most Species | 0 | - | 4.99 | 95,319 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,597 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,253 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,427 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,042 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,695 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,053 |
| Countries in the Alps | 0 | - | 4.86 | 117,068 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,719 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,527 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,138 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,558 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,335 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,120 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,750 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,875 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,658 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,185 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,257 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,124 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,585 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,855 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,867 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,376 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,771 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,336 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,980 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,081 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,104 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,704 |
| Largest Countries By Category | 0 | - | 4.97 | 156,977 |
| Countries by Countries | 0 | - | 4.96 | 62,410 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,605 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,011 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,371 |
| Merged Country Flags | 0 | - | 4.88 | 106,157 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,188 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,249 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,173 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,909 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,728,106 |
| Merged Countries #2 | 0 | - | 4.96 | 98,580 |
| Merged Countries #6 | 0 | - | 4.90 | 72,830 |
| Merged Countries #7 | 0 | - | 4.92 | 82,069 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,851 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,532 |
| Geography by Picture - A | 0 | - | 4.39 | 60,089 |
| Geography by Picture - D | 0 | - | 4.15 | 45,530 |
| Geography by Picture - F | 0 | - | 4.31 | 50,860 |
| Geography by Picture - G | 0 | - | 4.38 | 47,831 |
| Geography by Picture - J | 0 | - | 4.16 | 38,358 |
| Geography by Picture - K | 0 | - | 4.29 | 33,039 |
| Geography by Picture - C | 0 | - | 4.31 | 56,945 |
| Geography by Picture - L | 0 | - | 4.37 | 58,801 |
| Geography by Picture - M | 0 | - | 4.14 | 40,366 |
| Geography by Picture - P | 0 | - | 4.24 | 42,326 |
| Geography by Picture - S | 0 | - | 4.38 | 46,939 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,687 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,281 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,527 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,802 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,728 |
| Longest International Borders | 0 | - | 4.99 | 264,057 |
| Countries with Three Borders | 0 | - | 4.96 | 36,274 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,683 |
