| All Country Flags of the World | 0 | - | 5.00 | 3,675,644 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,207 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,903 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,137 |
| Flags with Crescents | 0 | - | 4.98 | 169,961 |
| Country Flag Trivia | 0 | - | 4.81 | 57,251 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,026 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,721 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,684 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,430 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,986 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,123 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,314 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,820 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,525 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,650 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,359 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,549 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,769 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,705 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,693 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,720 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,812 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,594 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,240 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,682 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,805 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,206 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,496 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,591 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,935 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,127 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,228 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,085 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,546 |
| Flags of North and South America | 0 | - | 4.99 | 373,950 |
| Flags to Languages | 0 | - | 4.95 | 173,848 |
| Former Flags | 0 | - | 4.97 | 107,911 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,016 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,646 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,590 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,036 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,051 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,867 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,266 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,743 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,771 |
| Flag Maths | 0 | - | 4.64 | 57,784 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,117 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,817 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,046 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,838 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,537 |
| World Coats of Arms | 0 | - | 4.99 | 64,652 |
| Similar Flags #1 | 0 | - | 4.75 | 130,210 |
| Similar Flags #2 | 0 | - | 4.74 | 137,497 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,796 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,959 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,826 |
| Emoji Flags | 0 | - | 4.35 | 44,141 |
| Countries by Road Signs | 0 | - | 4.98 | 53,983 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,713 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,323 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,268 |
| Select the World Flags | 0 | - | 4.27 | 37,821 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,117 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,971 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,530 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,219 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,296 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,989 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,563 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,940 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,854 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,964 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,910 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,208 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,292 |
| Pixelated World Map | 0 | - | 5.00 | 143,572 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,622 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,270 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,666 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,252 |
| Boundary Waters | 0 | - | 4.92 | 88,544 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,227 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,219 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,649 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,567 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,530 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,319 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,121 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,626 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,080 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,518 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,085 |
| Geography by Picture - B | 0 | - | 4.42 | 55,659 |
| Geography by Picture - H | 0 | - | 4.50 | 58,270 |
| Geography by Picture - N | 0 | - | 4.45 | 42,237 |
| Geography by Picture - R | 0 | - | 4.56 | 41,062 |
| Geography by Picture - T | 0 | - | 4.54 | 57,888 |
| Flags of Oceania | 0 | - | 5.00 | 260,207 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,598 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,130 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,991 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,348 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,932 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,554,941 |
| Flags of WW1 | 0 | - | 4.60 | 38,465 |
| Landlocked Countries | 0 | - | 4.99 | 421,618 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,852 |
| Satellite Images #1 | 0 | - | 4.47 | 129,447 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,371 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,969 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,994 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,027 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,130 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,836 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,691 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,985 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,359 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,363 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,262 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,264 |
| Himalayan Countries | 0 | - | 4.95 | 138,559 |
| Andean Countries | 0 | - | 4.93 | 84,516 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,701 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,697 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,335 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,731 |
| Danube Countries | 0 | - | 4.97 | 71,959 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,962 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,381 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,221 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,699 |
| European Landlocked Countries | 0 | - | 4.99 | 147,088 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,566 |
| Countries with the Most Species | 0 | - | 4.99 | 103,199 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,698 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,562 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,703 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,514 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,194 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,618 |
| Countries in the Alps | 0 | - | 4.87 | 118,148 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,863 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,975 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,619 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,564 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,451 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,920 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,459 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,155 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,810 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,631 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,493 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,183 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,434 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,484 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,807 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,278 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,170 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,007 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,746 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,995 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,190 |
| Largest Countries By Category | 0 | - | 4.97 | 158,146 |
| Countries by Countries | 0 | - | 4.96 | 63,156 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,636 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,269 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| Merged Country Flags | 0 | - | 4.88 | 106,919 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,471 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,955 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,781 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,640 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,094 |
| Merged Countries #2 | 0 | - | 4.96 | 99,226 |
| Merged Countries #6 | 0 | - | 4.90 | 73,429 |
| Merged Countries #7 | 0 | - | 4.93 | 82,770 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,680 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,846 |
| Geography by Picture - A | 0 | - | 4.39 | 60,308 |
| Geography by Picture - D | 0 | - | 4.15 | 45,695 |
| Geography by Picture - F | 0 | - | 4.31 | 51,054 |
| Geography by Picture - G | 0 | - | 4.39 | 47,984 |
| Geography by Picture - J | 0 | - | 4.16 | 38,498 |
| Geography by Picture - K | 0 | - | 4.29 | 33,164 |
| Geography by Picture - C | 0 | - | 4.31 | 57,117 |
| Geography by Picture - L | 0 | - | 4.37 | 59,027 |
| Geography by Picture - M | 0 | - | 4.14 | 40,495 |
| Geography by Picture - P | 0 | - | 4.24 | 42,468 |
| Geography by Picture - S | 0 | - | 4.38 | 47,076 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,475 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,480 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,900 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,904 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,266 |
| Longest International Borders | 0 | - | 4.99 | 265,136 |
| Countries with Three Borders | 0 | - | 4.96 | 36,592 |
