| All Country Flags of the World | 0 | - | 5.00 | 3,632,103 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,543 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,936 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,580 |
| Flags with Crescents | 0 | - | 4.98 | 168,519 |
| Country Flag Trivia | 0 | - | 4.81 | 56,463 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,040 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,958 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,600 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,869 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,416 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,863 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,196 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,726 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,824 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,622 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,370 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,364 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,102 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,085 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,921 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,137 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,224 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,993 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,691 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,170 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,498 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,894 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,052 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,045 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,366 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,558 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,686 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,246 |
| Flags of North and South America | 0 | - | 4.99 | 370,392 |
| Flags to Languages | 0 | - | 4.95 | 173,060 |
| Former Flags | 0 | - | 4.97 | 107,208 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,786 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,218 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,119 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,443 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,834 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,341 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,379 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,904 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,022 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,022 |
| Flag Maths | 0 | - | 4.64 | 57,712 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,968 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,209 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,622 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,559 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,383 |
| World Coats of Arms | 0 | - | 4.99 | 64,155 |
| Similar Flags #1 | 0 | - | 4.74 | 129,540 |
| Similar Flags #2 | 0 | - | 4.74 | 136,829 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,977 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,285 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,630 |
| Emoji Flags | 0 | - | 4.35 | 43,939 |
| Countries by Road Signs | 0 | - | 4.98 | 53,443 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,280 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,115 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,597 |
| Select the World Flags | 0 | - | 4.27 | 37,578 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,577 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,733 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,201 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,869 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,998 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,798 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,356 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,663 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,139 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,575 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,236 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,215 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,351 |
| Pixelated World Map | 0 | - | 5.00 | 142,915 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,131 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,768 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,088 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,075 |
| Boundary Waters | 0 | - | 4.92 | 88,249 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,980 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,673 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,845 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,141 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,058 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,638 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,981 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,159 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,741 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,243 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,994 |
| Geography by Picture - B | 0 | - | 4.42 | 55,507 |
| Geography by Picture - H | 0 | - | 4.50 | 58,126 |
| Geography by Picture - N | 0 | - | 4.45 | 42,117 |
| Geography by Picture - R | 0 | - | 4.56 | 40,945 |
| Geography by Picture - T | 0 | - | 4.54 | 57,754 |
| Flags of Oceania | 0 | - | 5.00 | 257,125 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,544 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,723 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,439 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,812 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,271 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,181,754 |
| Flags of WW1 | 0 | - | 4.60 | 38,178 |
| Landlocked Countries | 0 | - | 4.99 | 416,902 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 562,553 |
| Satellite Images #1 | 0 | - | 4.46 | 129,189 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,150 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,788 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,792 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,890 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,672 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,785 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,389 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,378 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,316 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,578 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,932 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,046 |
| Himalayan Countries | 0 | - | 4.95 | 136,600 |
| Andean Countries | 0 | - | 4.95 | 83,540 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,794 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,076 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,469 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,060 |
| Danube Countries | 0 | - | 4.97 | 71,454 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,265 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,866 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,212 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,193 |
| European Landlocked Countries | 0 | - | 4.99 | 146,155 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,812 |
| Countries with the Most Species | 0 | - | 4.99 | 102,057 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,939 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,342 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,522 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,179 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,828 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,207 |
| Countries in the Alps | 0 | - | 4.86 | 117,365 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,925 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,952 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,273 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,767 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,861 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,276 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,010 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,005 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,825 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,367 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,373 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,215 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,746 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,020 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,026 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,763 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,914 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,442 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,269 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,130 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,633 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,844 |
| Largest Countries By Category | 0 | - | 4.97 | 157,300 |
| Countries by Countries | 0 | - | 4.96 | 62,614 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,908 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,086 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,413 |
| Merged Country Flags | 0 | - | 4.88 | 106,365 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,821 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,418 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,347 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,110 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,742,297 |
| Merged Countries #2 | 0 | - | 4.96 | 98,742 |
| Merged Countries #6 | 0 | - | 4.90 | 72,976 |
| Merged Countries #7 | 0 | - | 4.93 | 82,243 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,109 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,649 |
| Geography by Picture - A | 0 | - | 4.39 | 60,140 |
| Geography by Picture - D | 0 | - | 4.15 | 45,566 |
| Geography by Picture - F | 0 | - | 4.31 | 50,901 |
| Geography by Picture - G | 0 | - | 4.38 | 47,871 |
| Geography by Picture - J | 0 | - | 4.16 | 38,389 |
| Geography by Picture - K | 0 | - | 4.29 | 33,063 |
| Geography by Picture - C | 0 | - | 4.31 | 56,995 |
| Geography by Picture - L | 0 | - | 4.37 | 58,852 |
| Geography by Picture - M | 0 | - | 4.14 | 40,391 |
| Geography by Picture - P | 0 | - | 4.24 | 42,362 |
| Geography by Picture - S | 0 | - | 4.38 | 46,975 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,957 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,330 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,621 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,321 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,874 |
| Longest International Borders | 0 | - | 4.99 | 264,345 |
| Countries with Three Borders | 0 | - | 4.96 | 36,359 |
