| All Country Flags of the World | 0 | - | 5.00 | 3,621,352 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,834 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,063 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,855 |
| Flags with Crescents | 0 | - | 4.98 | 168,121 |
| Country Flag Trivia | 0 | - | 4.81 | 56,227 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,783 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,743 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,323 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,279 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,616 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,007 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,478 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,673 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,325 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,155 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,088 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,973 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,961 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,752 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,008 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,089 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,859 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,571 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,051 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,432 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,819 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,960 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,935 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,244 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,425 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,558 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,186 |
| Flags of North and South America | 0 | - | 4.99 | 369,367 |
| Flags to Languages | 0 | - | 4.95 | 172,864 |
| Former Flags | 0 | - | 4.97 | 107,029 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,734 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,178 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 44,015 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,293 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,793 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,279 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,268 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,822 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,829 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,824 |
| Flag Maths | 0 | - | 4.69 | 57,697 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,778 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,121 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,561 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,490 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,350 |
| World Coats of Arms | 0 | - | 4.99 | 64,057 |
| Similar Flags #1 | 0 | - | 4.74 | 129,387 |
| Similar Flags #2 | 0 | - | 4.74 | 136,662 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,786 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,144 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,370 |
| Emoji Flags | 0 | - | 4.35 | 43,895 |
| Countries by Road Signs | 0 | - | 4.98 | 53,311 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,194 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,080 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 22,844 |
| Select the World Flags | 0 | - | 4.27 | 37,505 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,475 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,691 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,154 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,804 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,951 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,760 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,311 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,559 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,090 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,521 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,097 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,452 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,977 |
| Pixelated World Map | 0 | - | 5.00 | 142,759 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,832 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,638 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,951 |
| European Cities by Picture #2 | 0 | - | 4.45 | 38,031 |
| Boundary Waters | 0 | - | 4.92 | 88,162 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,914 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,546 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,659 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,036 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,947 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,506 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,960 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,121 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,675 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,217 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,971 |
| Geography by Picture - B | 0 | - | 4.42 | 55,477 |
| Geography by Picture - H | 0 | - | 4.50 | 58,094 |
| Geography by Picture - N | 0 | - | 4.45 | 42,092 |
| Geography by Picture - R | 0 | - | 4.56 | 40,921 |
| Geography by Picture - T | 0 | - | 4.54 | 57,728 |
| Flags of Oceania | 0 | - | 5.00 | 256,474 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,317 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,630 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,313 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,680 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,125 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,088,961 |
| Flags of WW1 | 0 | - | 4.60 | 38,094 |
| Landlocked Countries | 0 | - | 4.99 | 415,721 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 559,058 |
| Satellite Images #1 | 0 | - | 4.46 | 129,132 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,097 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,743 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,740 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,867 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,573 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,768 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,307 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,239 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,153 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,406 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,991 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,460 |
| Himalayan Countries | 0 | - | 4.95 | 136,109 |
| Andean Countries | 0 | - | 4.95 | 83,236 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,553 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,727 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,243 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,881 |
| Danube Countries | 0 | - | 4.97 | 71,299 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,058 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,749 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,952 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,896 |
| European Landlocked Countries | 0 | - | 4.99 | 146,007 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,596 |
| Countries with the Most Species | 0 | - | 4.99 | 95,371 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,725 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,282 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,452 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,089 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,740 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,113 |
| Countries in the Alps | 0 | - | 4.86 | 117,178 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,802 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,677 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,180 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,625 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,429 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,175 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,856 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,922 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,723 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,253 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,294 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,160 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,649 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,912 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,922 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,546 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,823 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,365 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,095 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,475 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,314 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,755 |
| Largest Countries By Category | 0 | - | 4.97 | 157,103 |
| Countries by Countries | 0 | - | 4.96 | 62,480 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,741 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,044 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,391 |
| Merged Country Flags | 0 | - | 4.88 | 106,250 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,419 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,323 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,252 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,998 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,838 |
| Merged Countries #2 | 0 | - | 4.96 | 98,636 |
| Merged Countries #6 | 0 | - | 4.90 | 72,882 |
| Merged Countries #7 | 0 | - | 4.92 | 82,125 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,929 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,565 |
| Geography by Picture - A | 0 | - | 4.39 | 60,108 |
| Geography by Picture - D | 0 | - | 4.15 | 45,542 |
| Geography by Picture - F | 0 | - | 4.31 | 50,875 |
| Geography by Picture - G | 0 | - | 4.38 | 47,843 |
| Geography by Picture - J | 0 | - | 4.16 | 38,369 |
| Geography by Picture - K | 0 | - | 4.29 | 33,045 |
| Geography by Picture - C | 0 | - | 4.31 | 56,969 |
| Geography by Picture - L | 0 | - | 4.37 | 58,825 |
| Geography by Picture - M | 0 | - | 4.14 | 40,372 |
| Geography by Picture - P | 0 | - | 4.24 | 42,337 |
| Geography by Picture - S | 0 | - | 4.38 | 46,953 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,751 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,304 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,567 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,997 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,787 |
| Longest International Borders | 0 | - | 4.99 | 264,181 |
| Countries with Three Borders | 0 | - | 4.96 | 36,308 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,728 |
