| All Country Flags of the World | 0 | - | 5.00 | 3,725,369 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,910 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,303 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,158 |
| Flags with Crescents | 0 | - | 4.98 | 171,770 |
| Country Flag Trivia | 0 | - | 4.82 | 58,316 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,189 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,644 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,911 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,134 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,184 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,641 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,648 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,638 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,241 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,367 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,834 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,612 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,931 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,594 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,507 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,567 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,465 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,505 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,305 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,889 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,308 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,192 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,565 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,023 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,196 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,557 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,801 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,885 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,860 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,867 |
| Flags of North and South America | 0 | - | 4.99 | 378,146 |
| Flags to Languages | 0 | - | 4.95 | 174,704 |
| Former Flags | 0 | - | 4.97 | 108,829 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,307 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,148 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,108 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,286 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,460 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,401 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,685 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,536 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,693 |
| Flag Maths | 0 | - | 4.61 | 57,866 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,078 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,278 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,341 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,134 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,683 |
| World Coats of Arms | 0 | - | 4.99 | 65,327 |
| Similar Flags #1 | 0 | - | 4.75 | 130,964 |
| Similar Flags #2 | 0 | - | 4.74 | 138,244 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,800 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,003 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,983 |
| Emoji Flags | 0 | - | 4.35 | 44,332 |
| Countries by Road Signs | 0 | - | 4.98 | 54,455 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,292 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,600 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,682 |
| Select the World Flags | 0 | - | 4.28 | 38,042 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,668 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,233 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,839 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,555 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,599 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,184 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,762 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,550 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,119 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,263 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,165 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,433 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,958 |
| Pixelated World Map | 0 | - | 5.00 | 144,278 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,130 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,812 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,336 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,475 |
| Boundary Waters | 0 | - | 4.92 | 88,841 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,471 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,851 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,575 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,071 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,090 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,662 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,472 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,840 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,454 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,744 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,259 |
| Geography by Picture - B | 0 | - | 4.42 | 55,836 |
| Geography by Picture - H | 0 | - | 4.50 | 58,435 |
| Geography by Picture - N | 0 | - | 4.45 | 42,401 |
| Geography by Picture - R | 0 | - | 4.56 | 41,197 |
| Geography by Picture - T | 0 | - | 4.54 | 58,051 |
| Flags of Oceania | 0 | - | 5.00 | 263,500 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,869 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,664 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,595 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,888 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,626 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,976,335 |
| Flags of WW1 | 0 | - | 4.60 | 38,776 |
| Landlocked Countries | 0 | - | 4.99 | 427,326 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,100 |
| Satellite Images #1 | 0 | - | 4.46 | 130,116 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,898 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,468 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,309 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,276 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,682 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,911 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,997 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,524 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,177 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,198 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,388 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,955 |
| Himalayan Countries | 0 | - | 4.93 | 140,857 |
| Andean Countries | 0 | - | 4.94 | 85,820 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,932 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,511 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,476 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,702 |
| Danube Countries | 0 | - | 4.97 | 72,565 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,808 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,979 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,463 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,929 |
| European Landlocked Countries | 0 | - | 4.99 | 147,773 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,551 |
| Countries with the Most Species | 0 | - | 4.99 | 103,654 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,651 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,817 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,957 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,930 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,684 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,139 |
| Countries in the Alps | 0 | - | 4.87 | 118,991 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,020 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,150 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,059 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,183 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,135 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,396 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,603 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,000 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,517 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,321 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,955 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,832 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,681 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,934 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,028 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,159 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,742 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,518 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,849 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,351 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,518 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,620 |
| Largest Countries By Category | 0 | - | 4.97 | 159,103 |
| Countries by Countries | 0 | - | 4.97 | 63,815 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,460 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,451 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,706 |
| Merged Country Flags | 0 | - | 4.88 | 107,503 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,466 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,560 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,259 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,238 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,058 |
| Merged Countries #2 | 0 | - | 4.96 | 99,974 |
| Merged Countries #4 | 0 | - | 4.81 | 94,198 |
| Merged Countries #6 | 0 | - | 4.90 | 73,911 |
| Merged Countries #7 | 0 | - | 4.93 | 83,245 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,589 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,029 |
| Geography by Picture - A | 0 | - | 4.39 | 60,492 |
| Geography by Picture - D | 0 | - | 4.15 | 45,830 |
| Geography by Picture - F | 0 | - | 4.31 | 51,236 |
| Geography by Picture - G | 0 | - | 4.39 | 48,125 |
| Geography by Picture - J | 0 | - | 4.16 | 38,638 |
| Geography by Picture - K | 0 | - | 4.29 | 33,298 |
| Geography by Picture - C | 0 | - | 4.31 | 57,286 |
| Geography by Picture - L | 0 | - | 4.37 | 59,185 |
| Geography by Picture - M | 0 | - | 4.14 | 40,627 |
| Geography by Picture - P | 0 | - | 4.24 | 42,610 |
| Geography by Picture - S | 0 | - | 4.38 | 47,217 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,891 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,659 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,265 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,428 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,665 |
