| All Country Flags of the World | 0 | - | 5.00 | 3,387,529 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,479,194 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,064,181 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 713,065 |
| Flags with Crescents | 0 | - | 4.98 | 159,674 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 97,110 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 64,584 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 79,984 |
| Flag Maths | 0 | - | 4.91 | 55,970 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 48,857 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 135,300 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 107,701 |
| Flags with the Most Stars | 0 | - | 4.90 | 118,595 |
| Flags that are Red & White Only | 0 | - | 4.97 | 140,235 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 138,797 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 48,591 |
| Four Countries with Similar Flags #2 | 0 | - | 4.91 | 42,535 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 50,758 |
| Country Flags with the Most Red | 0 | - | 4.97 | 114,184 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 88,172 |
| Country Flags with the Most Green | 0 | - | 4.95 | 95,362 |
| Country Flags with the Most Orange | 0 | - | 4.95 | 95,233 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 95,210 |
| Country Flags with the Most Black | 0 | - | 4.95 | 93,809 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 65,387 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.94 | 47,726 |
| Country Flags Slideshow | 0 | - | 4.89 | 44,280 |
| Countries by Partial Flag Images #2 | 0 | - | 4.96 | 94,868 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 69,898 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 55,702 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 35,254 |
| Countries With Blue and White Flags | 0 | - | 4.88 | 96,322 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 339,867 |
| Flags to Languages | 0 | - | 4.95 | 167,856 |
| Former Flags | 0 | - | 4.98 | 102,951 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.85 | 34,275 |
| Country Flags With Blue Removed | 0 | - | 4.91 | 40,914 |
| Countries by Partial Flag Images #7 | 0 | - | 4.86 | 25,562 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 29,449 |
| Random Flag to Country | 0 | - | 4.99 | 558,666 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 99,295 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 79,899 |
| Flags of the Mediterranean | 0 | - | 4.94 | 133,580 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 139,146 |
| Country Flag Trivia | 0 | - | 4.80 | 52,241 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 139,793 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 80,105 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 47,272 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 70,830 |
| Countries by Coat of Arms #2 | 0 | - | 4.80 | 38,990 |
| World Coats of Arms | 0 | - | 4.99 | 61,423 |
| Country Flags with the Southern Cross | 0 | - | 4.70 | 54,543 |
| Similar Flags #1 | 0 | - | 4.73 | 124,887 |
| Similar Flags #2 | 0 | - | 4.78 | 121,284 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 136,770 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 49,049 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 163,950 |
| Emoji Flags | 0 | - | 4.36 | 42,844 |
| Countries by Road Signs | 0 | - | 4.98 | 50,555 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 58,781 |
| Islands by Shape #2 | 0 | - | 4.88 | 48,618 |
| Select the World Flags | 0 | - | 4.27 | 36,186 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 72,682 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 57,167 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 69,534 |
| Countries by Satellite Image #2 | 0 | - | 4.78 | 68,038 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 65,445 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 45,802 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 43,348 |
| Countries by Picture #1 | 0 | - | 4.53 | 95,859 |
| Countries by Picture #3 | 0 | - | 4.53 | 57,716 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 45,856 |
| Name a Valid Country Flag | 0 | - | 4.61 | 71,094 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.78 | 91,681 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,150,668 |
| Flags of Asia Quiz | 0 | - | 4.99 | 576,225 |
| Pixelated World Map | 0 | - | 5.00 | 137,892 |
| Flags of Africa Quiz | 0 | - | 5.00 | 434,099 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.41 | 73,423 |
| Satellite Images - Europe | 0 | - | 4.47 | 100,957 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,027 |
| Boundary Waters | 0 | - | 4.91 | 86,385 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 33,628 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 92,469 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 57,171 |
| "Second Best" Geography Edition #2 | 0 | - | 4.86 | 57,737 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 67,185 |
| Cities by Satellite #1 | 0 | - | 4.38 | 77,350 |
| Cities by Satellite #2 | 0 | - | 4.48 | 24,273 |
| Countries by Picture #4 | 0 | - | 4.17 | 44,130 |
| Countries by Picture #2 | 0 | - | 4.37 | 68,005 |
| Countries by Picture #5 | 0 | - | 4.25 | 42,217 |
| Countries by Picture #6 | 0 | - | 4.14 | 35,269 |
| Geography by Picture - B | 0 | - | 4.41 | 54,547 |
| Geography by Picture - H | 0 | - | 4.49 | 57,252 |
| Geography by Picture - N | 0 | - | 4.44 | 41,365 |
| Geography by Picture - R | 0 | - | 4.55 | 40,245 |
| Geography by Picture - T | 0 | - | 4.54 | 56,902 |
| Flags of Oceania | 0 | - | 5.00 | 240,420 |
| Three Band Flags of Europe | 0 | - | 4.97 | 185,524 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 60,118 |
| Pixelated Africa Map | 0 | - | 4.98 | 95,120 |
| Pixelated Asia Map | 0 | - | 4.92 | 69,428 |
| Pixelated Europe Map | 0 | - | 4.88 | 117,762 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,975,711 |
| Flags of WW1 | 0 | - | 4.64 | 36,412 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 391,280 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 490,972 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 127,336 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 107,516 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 87,589 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 48,557 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 37,936 |
| Cities by Picture #1 | 0 | - | 4.70 | 83,019 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 24,421 |
| World Geography on a Map #1 | 0 | - | 4.94 | 71,551 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 91,890 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,648 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,020 |
| World Capitals Quiz | 0 | - | 5.00 | 4,865,801 |
| Sahara Desert Countries | 0 | - | 4.98 | 149,893 |
| Himalayan Countries | 0 | - | 4.94 | 125,984 |
| Andean Countries | 0 | - | 4.93 | 70,907 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,376 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 116,000 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,722 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,807 |
| Danube Countries | 0 | - | 4.97 | 61,858 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,259 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,873 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,793 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 141,387 |
| European Landlocked Countries | 0 | - | 4.99 | 142,291 |
| Partially Recognized Countries | 0 | - | 4.98 | 100,113 |
| Countries with the Most Species | 0 | - | 4.99 | 93,265 |
| Countries 197 to 205 | 0 | - | 4.88 | 65,064 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,151 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,233 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,139 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,659 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,589 |
| Countries in the Alps | 0 | - | 4.86 | 112,229 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,767 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,782 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,155 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 91,283 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 111,921 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,760 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,309 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,613 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,585 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,640 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,811 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,614 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,948 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,602 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,446 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 111,266 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,572 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,480 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,817 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 226,937 |
| World Countries - Blind Typing | 0 | - | 5.00 | 98,011 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,816 |
| Largest Countries By Category | 0 | - | 4.97 | 152,695 |
| Countries by Countries | 0 | - | 4.96 | 59,366 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,456,998 |
| Country Flags with the Most White | 0 | - | 4.85 | 133,450 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,000 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,578 |
| Merged Country Flags | 0 | - | 4.86 | 103,389 |
| All Countries by Population With a Map | 0 | - | 4.98 | 97,852 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 94,069 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,973 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,534,252 |
| Merged Countries #2 | 0 | - | 4.96 | 95,762 |
| Merged Countries #6 | 0 | - | 4.91 | 70,411 |
| Merged Countries #7 | 0 | - | 4.94 | 79,613 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 141,717 |
| Western Europe Map Quiz | 0 | - | 4.87 | 92,029 |
| Geography by Picture - A | 0 | - | 4.37 | 59,147 |
| Geography by Picture - D | 0 | - | 4.14 | 44,819 |
| Geography by Picture - F | 0 | - | 4.30 | 50,098 |
| Geography by Picture - G | 0 | - | 4.39 | 47,140 |
| Geography by Picture - J | 0 | - | 4.15 | 37,766 |
| Geography by Picture - K | 0 | - | 4.28 | 32,463 |
| Geography by Picture - C | 0 | - | 4.30 | 56,150 |
| Geography by Picture - L | 0 | - | 4.36 | 57,929 |
| Geography by Picture - M | 0 | - | 4.12 | 39,782 |
| Geography by Picture - P | 0 | - | 4.22 | 41,719 |
| Geography by Picture - S | 0 | - | 4.36 | 46,285 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 79,425 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,475 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 32,842 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 199,476 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 115,600 |
| Longest International Borders | 0 | - | 4.99 | 244,991 |
| Countries with Three Borders | 0 | - | 4.96 | 34,731 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 39,844 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 45,584 |
