| All Country Flags of the World | 0 | - | 5.00 | 3,625,494 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,591 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,445 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,110 |
| Flags with Crescents | 0 | - | 4.98 | 168,281 |
| Country Flag Trivia | 0 | - | 4.81 | 56,292 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,877 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,817 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,416 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,329 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,725 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,088 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,555 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,730 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,436 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,237 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,211 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,018 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,009 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,812 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,051 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,145 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,905 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,612 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,092 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,453 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,839 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,001 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,982 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,287 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,477 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,608 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,200 |
| Flags of North and South America | 0 | - | 4.99 | 369,746 |
| Flags to Languages | 0 | - | 4.95 | 172,932 |
| Former Flags | 0 | - | 4.97 | 107,110 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,751 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,182 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,056 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,351 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,811 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,814 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,305 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,853 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,892 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,914 |
| Flag Maths | 0 | - | 4.63 | 57,700 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,859 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,162 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,588 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,520 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,365 |
| World Coats of Arms | 0 | - | 4.99 | 64,098 |
| Similar Flags #1 | 0 | - | 4.74 | 129,442 |
| Similar Flags #2 | 0 | - | 4.74 | 136,722 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,856 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,197 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,481 |
| Emoji Flags | 0 | - | 4.35 | 43,908 |
| Countries by Road Signs | 0 | - | 4.98 | 53,363 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,229 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,094 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 23,219 |
| Select the World Flags | 0 | - | 4.27 | 37,536 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,525 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,710 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,171 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,824 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,972 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,780 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,332 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,594 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,107 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,542 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,153 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,569 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,520 |
| Pixelated World Map | 0 | - | 5.00 | 142,828 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,307 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,694 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,006 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,047 |
| Boundary Waters | 0 | - | 4.92 | 88,195 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,937 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,602 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,741 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,076 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,991 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,561 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,965 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,137 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,703 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,231 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,979 |
| Geography by Picture - B | 0 | - | 4.42 | 55,493 |
| Geography by Picture - H | 0 | - | 4.50 | 58,106 |
| Geography by Picture - N | 0 | - | 4.45 | 42,101 |
| Geography by Picture - R | 0 | - | 4.56 | 40,928 |
| Geography by Picture - T | 0 | - | 4.54 | 57,741 |
| Flags of Oceania | 0 | - | 5.00 | 256,709 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,414 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,677 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,366 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,732 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,181 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,126,580 |
| Flags of WW1 | 0 | - | 4.60 | 38,125 |
| Landlocked Countries | 0 | - | 4.99 | 416,186 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 560,590 |
| Satellite Images #1 | 0 | - | 4.46 | 129,160 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,115 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,763 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,755 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,876 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,604 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,778 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,337 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,282 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,219 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,484 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,480 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,704 |
| Himalayan Countries | 0 | - | 4.95 | 136,306 |
| Andean Countries | 0 | - | 4.95 | 83,375 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,640 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,863 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,336 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,945 |
| Danube Countries | 0 | - | 4.97 | 71,347 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,131 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,804 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,058 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,005 |
| European Landlocked Countries | 0 | - | 4.99 | 146,068 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,682 |
| Countries with the Most Species | 0 | - | 4.99 | 99,177 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,830 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,309 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,483 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,124 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,775 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,145 |
| Countries in the Alps | 0 | - | 4.86 | 117,273 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,857 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,786 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,218 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,683 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,687 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,214 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,931 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,964 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,762 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,294 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,335 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,187 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,684 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,954 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,962 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,624 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,861 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,394 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,146 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,729 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,450 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,788 |
| Largest Countries By Category | 0 | - | 4.97 | 157,196 |
| Countries by Countries | 0 | - | 4.96 | 62,550 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,812 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,066 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,400 |
| Merged Country Flags | 0 | - | 4.88 | 106,288 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,562 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,360 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,287 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,041 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,347 |
| Merged Countries #2 | 0 | - | 4.96 | 98,678 |
| Merged Countries #6 | 0 | - | 4.90 | 72,926 |
| Merged Countries #7 | 0 | - | 4.93 | 82,175 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,985 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,611 |
| Geography by Picture - A | 0 | - | 4.39 | 60,121 |
| Geography by Picture - D | 0 | - | 4.15 | 45,552 |
| Geography by Picture - F | 0 | - | 4.31 | 50,887 |
| Geography by Picture - G | 0 | - | 4.38 | 47,858 |
| Geography by Picture - J | 0 | - | 4.16 | 38,377 |
| Geography by Picture - K | 0 | - | 4.29 | 33,051 |
| Geography by Picture - C | 0 | - | 4.31 | 56,983 |
| Geography by Picture - L | 0 | - | 4.37 | 58,840 |
| Geography by Picture - M | 0 | - | 4.14 | 40,377 |
| Geography by Picture - P | 0 | - | 4.24 | 42,347 |
| Geography by Picture - S | 0 | - | 4.38 | 46,960 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,846 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,312 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,592 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,119 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,823 |
| Longest International Borders | 0 | - | 4.99 | 264,242 |
| Countries with Three Borders | 0 | - | 4.96 | 36,323 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,758 |
