| All Country Flags of the World | 0 | - | 5.00 | 3,714,992 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,189 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,301 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,529 |
| Flags with Crescents | 0 | - | 4.98 | 171,389 |
| Country Flag Trivia | 0 | - | 4.81 | 58,054 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,925 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,455 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,627 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,966 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,005 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,505 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,374 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,366 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,935 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,212 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,632 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,355 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,688 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,423 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,362 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,373 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,303 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,366 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,153 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,754 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,168 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,109 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,502 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,937 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,088 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,429 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,674 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,753 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,713 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,796 |
| Flags of North and South America | 0 | - | 4.99 | 377,118 |
| Flags to Languages | 0 | - | 4.95 | 174,531 |
| Former Flags | 0 | - | 4.97 | 108,608 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,244 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,043 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,020 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,232 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,113 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,281 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,606 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,379 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,452 |
| Flag Maths | 0 | - | 4.61 | 57,848 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,884 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,192 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,269 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,070 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,647 |
| World Coats of Arms | 0 | - | 4.99 | 65,168 |
| Similar Flags #1 | 0 | - | 4.75 | 130,808 |
| Similar Flags #2 | 0 | - | 4.74 | 138,087 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,599 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,871 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,738 |
| Emoji Flags | 0 | - | 4.35 | 44,294 |
| Countries by Road Signs | 0 | - | 4.98 | 54,359 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,130 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,541 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,384 |
| Select the World Flags | 0 | - | 4.28 | 37,996 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,562 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,167 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,782 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,495 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,540 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,134 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,705 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,425 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,065 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,224 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,023 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,391 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,480 |
| Pixelated World Map | 0 | - | 5.00 | 144,123 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,716 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,698 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,216 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,427 |
| Boundary Waters | 0 | - | 4.92 | 88,772 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,714 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,361 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,979 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,984 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,429 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,408 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,800 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,380 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,698 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,228 |
| Geography by Picture - B | 0 | - | 4.42 | 55,785 |
| Geography by Picture - H | 0 | - | 4.50 | 58,384 |
| Geography by Picture - N | 0 | - | 4.45 | 42,340 |
| Geography by Picture - R | 0 | - | 4.56 | 41,147 |
| Geography by Picture - T | 0 | - | 4.54 | 58,001 |
| Flags of Oceania | 0 | - | 5.00 | 262,774 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,614 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,466 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,468 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,787 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,484 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,889,779 |
| Flags of WW1 | 0 | - | 4.60 | 38,700 |
| Landlocked Countries | 0 | - | 4.99 | 426,027 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,936 |
| Satellite Images #1 | 0 | - | 4.46 | 130,006 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,698 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,401 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,250 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,227 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,594 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,897 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,933 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,413 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,009 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,023 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,974 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,351 |
| Himalayan Countries | 0 | - | 4.93 | 140,313 |
| Andean Countries | 0 | - | 4.94 | 85,502 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,648 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,054 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,222 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,460 |
| Danube Countries | 0 | - | 4.97 | 72,418 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,616 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,857 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,160 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,641 |
| European Landlocked Countries | 0 | - | 4.99 | 147,621 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,328 |
| Countries with the Most Species | 0 | - | 4.99 | 103,575 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,430 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,782 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,892 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,850 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,589 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,029 |
| Countries in the Alps | 0 | - | 4.87 | 118,799 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,673 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,898 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,973 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,037 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,976 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,276 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,425 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,879 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,437 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,192 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,889 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,753 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,572 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,813 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,905 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,889 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,629 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,821 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,693 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,781 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,190 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,520 |
| Largest Countries By Category | 0 | - | 4.97 | 158,886 |
| Countries by Countries | 0 | - | 4.96 | 63,660 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,282 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,404 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,676 |
| Merged Country Flags | 0 | - | 4.88 | 107,386 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,035 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,442 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,162 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,117 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,289 |
| Merged Countries #2 | 0 | - | 4.96 | 99,888 |
| Merged Countries #4 | 0 | - | 4.81 | 94,133 |
| Merged Countries #6 | 0 | - | 4.90 | 73,817 |
| Merged Countries #7 | 0 | - | 4.93 | 83,161 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,465 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,988 |
| Geography by Picture - A | 0 | - | 4.39 | 60,438 |
| Geography by Picture - D | 0 | - | 4.15 | 45,790 |
| Geography by Picture - F | 0 | - | 4.31 | 51,180 |
| Geography by Picture - G | 0 | - | 4.39 | 48,083 |
| Geography by Picture - J | 0 | - | 4.16 | 38,596 |
| Geography by Picture - K | 0 | - | 4.29 | 33,249 |
| Geography by Picture - C | 0 | - | 4.31 | 57,240 |
| Geography by Picture - L | 0 | - | 4.37 | 59,138 |
| Geography by Picture - M | 0 | - | 4.14 | 40,582 |
| Geography by Picture - P | 0 | - | 4.24 | 42,568 |
| Geography by Picture - S | 0 | - | 4.38 | 47,182 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,808 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,619 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,176 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,131 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,580 |
