| All Country Flags of the World | 0 | - | 5.00 | 3,595,321 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,848 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,726 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,189 |
| Flags with Crescents | 0 | - | 4.98 | 167,323 |
| Country Flag Trivia | 0 | - | 4.81 | 55,801 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,263 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,356 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,753 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,949 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,459 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 113,960 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,557 |
| Flags that are Red & White Only | 0 | - | 4.97 | 154,503 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 144,369 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,419 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,461 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,465 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,152 |
| Country Flags with the Most Blue | 0 | - | 4.87 | 91,581 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,662 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,467 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,151 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,717 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,197 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,610 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,682 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,290 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,597 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,637 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,861 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,978 |
| Flags of North and South America | 0 | - | 4.99 | 365,802 |
| Flags to Languages | 0 | - | 4.95 | 172,358 |
| Former Flags | 0 | - | 4.97 | 106,543 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,560 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,138 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,686 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,446 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,662 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,656 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,991 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,544 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,392 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,337 |
| Flag Maths | 0 | - | 4.78 | 57,665 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,243 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,906 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,402 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,323 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,255 |
| World Coats of Arms | 0 | - | 4.99 | 63,794 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,290 |
| Similar Flags #1 | 0 | - | 4.74 | 128,985 |
| Similar Flags #2 | 0 | - | 4.74 | 136,253 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,245 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,660 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,695 |
| Emoji Flags | 0 | - | 4.35 | 43,792 |
| Countries by Road Signs | 0 | - | 4.98 | 53,002 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,960 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,955 |
| Select the World Flags | 0 | - | 4.27 | 37,366 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,215 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,521 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,995 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,643 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,774 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,655 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,195 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,312 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,945 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,335 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,714 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,476 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,648 |
| Pixelated World Map | 0 | - | 5.00 | 142,123 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,348 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,301 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,615 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,910 |
| Boundary Waters | 0 | - | 4.92 | 87,996 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,191 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,152 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,774 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,661 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,197 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,886 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,017 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,516 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,132 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,897 |
| Geography by Picture - B | 0 | - | 4.42 | 55,388 |
| Geography by Picture - H | 0 | - | 4.49 | 58,019 |
| Geography by Picture - N | 0 | - | 4.45 | 42,034 |
| Geography by Picture - R | 0 | - | 4.55 | 40,867 |
| Geography by Picture - T | 0 | - | 4.54 | 57,651 |
| Flags of Oceania | 0 | - | 5.00 | 254,715 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,682 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,368 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,976 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,306 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,681 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,861,898 |
| Flags of WW1 | 0 | - | 4.60 | 37,886 |
| Landlocked Countries | 0 | - | 4.99 | 412,976 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,927 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,965 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,955 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,618 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,619 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,779 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,290 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,734 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,115 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,915 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,490 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,853 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,441 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,304 |
| Himalayan Countries | 0 | - | 4.95 | 135,098 |
| Andean Countries | 0 | - | 4.94 | 82,689 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,101 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,024 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,789 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,494 |
| Danube Countries | 0 | - | 4.97 | 71,012 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,661 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,469 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,315 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,231 |
| European Landlocked Countries | 0 | - | 4.99 | 145,681 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,070 |
| Countries with the Most Species | 0 | - | 4.99 | 95,200 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,227 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,336 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,914 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,524 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,885 |
| Countries in the Alps | 0 | - | 4.87 | 116,707 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,491 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,110 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,950 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,336 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,075 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,942 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,486 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,695 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,342 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,983 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,168 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,003 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,380 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,687 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,687 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,905 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,579 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,209 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,692 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,897 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,410 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,548 |
| Largest Countries By Category | 0 | - | 4.97 | 156,645 |
| Countries by Countries | 0 | - | 4.96 | 62,184 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,249 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,937 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,307 |
| Merged Country Flags | 0 | - | 4.88 | 105,933 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,435 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,022 |
| Colourful Countries of the World | 0 | - | 4.99 | 58,986 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,673 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,718 |
| Merged Countries #2 | 0 | - | 4.96 | 98,399 |
| Merged Countries #6 | 0 | - | 4.91 | 72,655 |
| Merged Countries #7 | 0 | - | 4.93 | 81,899 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,646 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,461 |
| Geography by Picture - A | 0 | - | 4.39 | 60,026 |
| Geography by Picture - D | 0 | - | 4.15 | 45,468 |
| Geography by Picture - F | 0 | - | 4.31 | 50,810 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,315 |
| Geography by Picture - K | 0 | - | 4.28 | 32,996 |
| Geography by Picture - C | 0 | - | 4.31 | 56,893 |
| Geography by Picture - L | 0 | - | 4.37 | 58,732 |
| Geography by Picture - M | 0 | - | 4.14 | 40,330 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,896 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,489 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,215 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,406 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,185 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,559 |
| Longest International Borders | 0 | - | 4.99 | 263,396 |
| Countries with Three Borders | 0 | - | 4.96 | 36,138 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,566 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,615 |
