| All Country Flags of the World | 0 | - | 5.00 | 3,598,140 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,611 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,057 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,418 |
| Flags with Crescents | 0 | - | 4.98 | 167,425 |
| Country Flag Trivia | 0 | - | 4.81 | 55,859 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,323 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,406 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,830 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,980 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,614 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,098 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,725 |
| Flags that are Red & White Only | 0 | - | 4.97 | 158,829 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,500 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,801 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,533 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,549 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,293 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,659 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,732 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,521 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,213 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,760 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,231 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,638 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,715 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,340 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,648 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,701 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,920 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,011 |
| Flags of North and South America | 0 | - | 4.99 | 366,535 |
| Flags to Languages | 0 | - | 4.95 | 172,418 |
| Former Flags | 0 | - | 4.97 | 106,599 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,591 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,145 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,740 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,519 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,684 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,958 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,022 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,570 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,455 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,380 |
| Flag Maths | 0 | - | 4.78 | 57,669 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,291 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,927 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,425 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,339 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,263 |
| World Coats of Arms | 0 | - | 4.99 | 63,818 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,305 |
| Similar Flags #1 | 0 | - | 4.74 | 129,034 |
| Similar Flags #2 | 0 | - | 4.74 | 136,303 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,314 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,710 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,787 |
| Emoji Flags | 0 | - | 4.35 | 43,803 |
| Countries by Road Signs | 0 | - | 4.98 | 53,056 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,990 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,973 |
| Select the World Flags | 0 | - | 4.27 | 37,386 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,263 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,542 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,009 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,657 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,793 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,662 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,204 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,339 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,964 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,357 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,763 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,436 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,053 |
| Pixelated World Map | 0 | - | 5.00 | 142,363 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,810 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,347 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,648 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,922 |
| Boundary Waters | 0 | - | 4.92 | 88,023 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,794 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,226 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,219 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,806 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,695 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,233 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,896 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,028 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,537 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,141 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,910 |
| Geography by Picture - B | 0 | - | 4.42 | 55,397 |
| Geography by Picture - H | 0 | - | 4.49 | 58,030 |
| Geography by Picture - N | 0 | - | 4.45 | 42,039 |
| Geography by Picture - R | 0 | - | 4.55 | 40,870 |
| Geography by Picture - T | 0 | - | 4.54 | 57,666 |
| Flags of Oceania | 0 | - | 5.00 | 254,910 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,778 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,393 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,024 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,353 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,741 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,885,413 |
| Flags of WW1 | 0 | - | 4.60 | 37,913 |
| Landlocked Countries | 0 | - | 4.99 | 413,220 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,763 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,987 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,969 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,633 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,634 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,795 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,320 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,735 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,129 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,955 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,535 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,889 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,693 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,402 |
| Himalayan Countries | 0 | - | 4.95 | 135,183 |
| Andean Countries | 0 | - | 4.94 | 82,742 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,160 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,094 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,824 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,531 |
| Danube Countries | 0 | - | 4.97 | 71,039 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,704 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,495 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,380 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,301 |
| European Landlocked Countries | 0 | - | 4.99 | 145,709 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,125 |
| Countries with the Most Species | 0 | - | 4.99 | 95,220 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,276 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,353 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,934 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,545 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,909 |
| Countries in the Alps | 0 | - | 4.87 | 116,758 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,519 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,167 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,979 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,379 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,104 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,963 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,517 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,721 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,980 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,015 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,180 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,018 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,406 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,707 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,716 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,976 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,600 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,227 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,726 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,041 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,500 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,571 |
| Largest Countries By Category | 0 | - | 4.97 | 156,684 |
| Countries by Countries | 0 | - | 4.96 | 62,217 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,313 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,950 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,312 |
| Merged Country Flags | 0 | - | 4.88 | 105,967 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,538 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,057 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,021 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,719 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,031 |
| Merged Countries #2 | 0 | - | 4.96 | 98,429 |
| Merged Countries #6 | 0 | - | 4.91 | 72,673 |
| Merged Countries #7 | 0 | - | 4.92 | 81,919 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,670 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,472 |
| Geography by Picture - A | 0 | - | 4.39 | 60,040 |
| Geography by Picture - D | 0 | - | 4.15 | 45,478 |
| Geography by Picture - F | 0 | - | 4.31 | 50,817 |
| Geography by Picture - G | 0 | - | 4.38 | 47,779 |
| Geography by Picture - J | 0 | - | 4.16 | 38,330 |
| Geography by Picture - K | 0 | - | 4.28 | 33,007 |
| Geography by Picture - C | 0 | - | 4.31 | 56,897 |
| Geography by Picture - L | 0 | - | 4.37 | 58,742 |
| Geography by Picture - M | 0 | - | 4.14 | 40,339 |
| Geography by Picture - P | 0 | - | 4.24 | 42,293 |
| Geography by Picture - S | 0 | - | 4.38 | 46,902 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,511 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,222 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,423 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,293 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,590 |
| Longest International Borders | 0 | - | 4.99 | 263,468 |
| Countries with Three Borders | 0 | - | 4.96 | 36,161 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,584 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,635 |
