| All Country Flags of the World | 0 | - | 5.00 | 3,714,717 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,131 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,265 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,504 |
| Flags with Crescents | 0 | - | 4.98 | 171,377 |
| Country Flag Trivia | 0 | - | 4.81 | 58,044 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,922 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,449 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,622 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,964 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,001 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,502 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,368 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,361 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,932 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,204 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,630 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,349 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,679 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,418 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,358 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,370 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,296 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,363 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,147 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,752 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,165 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,103 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,499 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,935 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,083 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,426 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,669 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,747 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,709 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,794 |
| Flags of North and South America | 0 | - | 4.99 | 377,082 |
| Flags to Languages | 0 | - | 4.95 | 174,527 |
| Former Flags | 0 | - | 4.97 | 108,601 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,240 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,040 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,016 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,232 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,068 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,276 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,604 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,375 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,448 |
| Flag Maths | 0 | - | 4.61 | 57,848 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,876 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,192 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,268 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,067 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,647 |
| World Coats of Arms | 0 | - | 4.99 | 65,163 |
| Similar Flags #1 | 0 | - | 4.75 | 130,806 |
| Similar Flags #2 | 0 | - | 4.74 | 138,086 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,594 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,871 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,731 |
| Emoji Flags | 0 | - | 4.35 | 44,293 |
| Countries by Road Signs | 0 | - | 4.98 | 54,356 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,127 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,540 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,378 |
| Select the World Flags | 0 | - | 4.28 | 37,996 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,559 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,167 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,781 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,493 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,539 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,133 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,704 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,422 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,064 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,223 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,021 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,306 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,438 |
| Pixelated World Map | 0 | - | 5.00 | 144,119 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,681 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,694 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,207 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,425 |
| Boundary Waters | 0 | - | 4.92 | 88,770 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,420 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,712 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,357 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,975 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,980 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,418 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,404 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,799 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,379 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,697 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,227 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,382 |
| 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 | 262,751 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,610 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,463 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,467 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,785 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,480 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,887,102 |
| Flags of WW1 | 0 | - | 4.60 | 38,697 |
| Landlocked Countries | 0 | - | 4.99 | 425,981 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,755 |
| Satellite Images #1 | 0 | - | 4.46 | 130,002 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,694 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,393 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,245 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,220 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,590 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,897 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,932 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,410 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,000 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,017 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,686 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,337 |
| Himalayan Countries | 0 | - | 4.93 | 140,298 |
| Andean Countries | 0 | - | 4.94 | 85,494 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,639 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,039 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,211 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,456 |
| Danube Countries | 0 | - | 4.97 | 72,411 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,608 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,852 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,151 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,635 |
| European Landlocked Countries | 0 | - | 4.99 | 147,618 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,319 |
| Countries with the Most Species | 0 | - | 4.99 | 103,573 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,429 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,781 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,889 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,848 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,587 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,026 |
| Countries in the Alps | 0 | - | 4.87 | 118,791 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,662 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,890 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,971 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,036 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,972 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,272 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,419 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,873 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,433 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,189 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,889 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,752 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,567 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,810 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,901 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,875 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,625 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,486 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,682 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,764 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,183 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,515 |
| Largest Countries By Category | 0 | - | 4.97 | 158,881 |
| Countries by Countries | 0 | - | 4.96 | 63,653 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,281 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,403 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,674 |
| Merged Country Flags | 0 | - | 4.88 | 107,385 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,020 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,441 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,159 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,113 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,066 |
| Merged Countries #2 | 0 | - | 4.96 | 99,886 |
| Merged Countries #4 | 0 | - | 4.81 | 94,129 |
| Merged Countries #6 | 0 | - | 4.90 | 73,813 |
| Merged Countries #7 | 0 | - | 4.93 | 83,159 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,461 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,988 |
| Geography by Picture - A | 0 | - | 4.39 | 60,437 |
| Geography by Picture - D | 0 | - | 4.15 | 45,789 |
| Geography by Picture - F | 0 | - | 4.31 | 51,177 |
| Geography by Picture - G | 0 | - | 4.39 | 48,081 |
| 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 | 57,239 |
| 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 | 47,181 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,807 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,618 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,173 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,124 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,578 |
