| All Country Flags of the World | 0 | - | 5.00 | 3,701,644 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,685 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,111 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,709 |
| Flags with Crescents | 0 | - | 4.98 | 170,995 |
| Country Flag Trivia | 0 | - | 4.81 | 57,794 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,644 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,210 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,310 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,765 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,803 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,342 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,004 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,065 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,577 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,018 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,338 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,047 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,327 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,212 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,143 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,160 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,118 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,183 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,969 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,594 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,017 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,001 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,402 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,794 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,938 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,291 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,503 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,589 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,540 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,730 |
| Flags of North and South America | 0 | - | 4.99 | 376,006 |
| Flags to Languages | 0 | - | 4.95 | 174,307 |
| Former Flags | 0 | - | 4.97 | 108,344 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,171 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,912 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,891 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,173 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,320 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,143 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,470 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,148 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,236 |
| Flag Maths | 0 | - | 4.61 | 57,816 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,613 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,058 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,183 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,982 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,603 |
| World Coats of Arms | 0 | - | 4.99 | 64,975 |
| Similar Flags #1 | 0 | - | 4.75 | 130,583 |
| Similar Flags #2 | 0 | - | 4.74 | 137,882 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,312 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,686 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,483 |
| Emoji Flags | 0 | - | 4.35 | 44,244 |
| Countries by Road Signs | 0 | - | 4.98 | 54,240 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,960 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,451 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,058 |
| Select the World Flags | 0 | - | 4.28 | 37,928 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,401 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,094 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,695 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,400 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,456 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,082 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,665 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,219 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,012 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,146 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,700 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,344 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,508 |
| Pixelated World Map | 0 | - | 5.00 | 143,923 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,028 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,559 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,031 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,363 |
| Boundary Waters | 0 | - | 4.92 | 88,706 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,358 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,539 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,141 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,836 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,834 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,104 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,327 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,760 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,290 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,640 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,198 |
| Geography by Picture - B | 0 | - | 4.42 | 55,743 |
| Geography by Picture - H | 0 | - | 4.50 | 58,341 |
| Geography by Picture - N | 0 | - | 4.45 | 42,315 |
| Geography by Picture - R | 0 | - | 4.56 | 41,119 |
| Geography by Picture - T | 0 | - | 4.54 | 57,963 |
| Flags of Oceania | 0 | - | 5.00 | 261,973 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,259 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,341 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,307 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,648 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,311 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,769,417 |
| Flags of WW1 | 0 | - | 4.60 | 38,612 |
| Landlocked Countries | 0 | - | 4.99 | 424,316 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,734 |
| Satellite Images #1 | 0 | - | 4.47 | 129,677 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,524 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,109 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,130 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,128 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,457 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,878 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,847 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,269 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,786 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,818 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,062 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,559 |
| Himalayan Countries | 0 | - | 4.94 | 139,714 |
| Andean Countries | 0 | - | 4.94 | 85,152 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,325 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,579 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,905 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,188 |
| Danube Countries | 0 | - | 4.97 | 72,256 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,391 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,685 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,816 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,315 |
| European Landlocked Countries | 0 | - | 4.99 | 147,437 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,051 |
| Countries with the Most Species | 0 | - | 4.99 | 103,462 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,185 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,701 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,814 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,730 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,462 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,888 |
| Countries in the Alps | 0 | - | 4.87 | 118,554 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,245 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,569 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,845 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,859 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,782 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,121 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,033 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,719 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,331 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,050 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,783 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,650 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,432 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,668 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,758 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,468 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,509 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,484 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,463 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,134 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,794 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,417 |
| Largest Countries By Category | 0 | - | 4.97 | 158,611 |
| Countries by Countries | 0 | - | 4.96 | 63,491 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,064 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,638 |
| Merged Country Flags | 0 | - | 4.88 | 107,231 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,499 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,255 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,040 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,961 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,795,248 |
| Merged Countries #2 | 0 | - | 4.96 | 99,775 |
| Merged Countries #6 | 0 | - | 4.90 | 73,707 |
| Merged Countries #7 | 0 | - | 4.93 | 83,049 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,321 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,942 |
| Geography by Picture - A | 0 | - | 4.39 | 60,396 |
| Geography by Picture - D | 0 | - | 4.15 | 45,760 |
| Geography by Picture - F | 0 | - | 4.31 | 51,138 |
| Geography by Picture - G | 0 | - | 4.39 | 48,051 |
| Geography by Picture - J | 0 | - | 4.16 | 38,567 |
| Geography by Picture - K | 0 | - | 4.29 | 33,225 |
| Geography by Picture - C | 0 | - | 4.31 | 57,199 |
| Geography by Picture - L | 0 | - | 4.37 | 59,098 |
| Geography by Picture - M | 0 | - | 4.14 | 40,554 |
| Geography by Picture - P | 0 | - | 4.24 | 42,535 |
| Geography by Picture - S | 0 | - | 4.38 | 47,153 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,707 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,586 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,095 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,714 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,471 |
| Longest International Borders | 0 | - | 4.99 | 265,603 |
