| All Country Flags of the World | 0 | - | 5.00 | 3,658,729 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,285 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,443 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,147 |
| Flags with Crescents | 0 | - | 4.98 | 169,394 |
| Country Flag Trivia | 0 | - | 4.81 | 56,957 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,656 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,427 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,283 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,227 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,747 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,539 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,793 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,306 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,156 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,195 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,905 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,019 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,456 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,432 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,363 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,462 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,556 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,338 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,022 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,460 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,679 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,068 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,313 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,360 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,688 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,907 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,002 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,815 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,407 |
| Flags of North and South America | 0 | - | 4.99 | 372,721 |
| Flags to Languages | 0 | - | 4.95 | 173,568 |
| Former Flags | 0 | - | 4.97 | 107,643 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,912 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,496 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,400 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,936 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,660 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,677 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,101 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,460 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,472 |
| Flag Maths | 0 | - | 4.64 | 57,758 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,492 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,434 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,783 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,725 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,478 |
| World Coats of Arms | 0 | - | 4.99 | 64,446 |
| Similar Flags #1 | 0 | - | 4.75 | 129,952 |
| Similar Flags #2 | 0 | - | 4.74 | 137,244 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,485 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,689 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,298 |
| Emoji Flags | 0 | - | 4.35 | 44,069 |
| Countries by Road Signs | 0 | - | 4.98 | 53,744 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,545 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,244 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,694 |
| Select the World Flags | 0 | - | 4.27 | 37,715 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,912 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,886 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,359 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,057 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,149 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,904 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,467 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,381 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,363 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,787 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,643 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,723 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,912 |
| Pixelated World Map | 0 | - | 5.00 | 143,313 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,588 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,053 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,436 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,186 |
| Boundary Waters | 0 | - | 4.92 | 88,439 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,129 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,020 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,353 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,422 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,353 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,008 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,057 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,335 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,058 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,413 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,112 |
| Geography by Picture - B | 0 | - | 4.42 | 55,591 |
| Geography by Picture - H | 0 | - | 4.50 | 58,214 |
| Geography by Picture - N | 0 | - | 4.45 | 42,195 |
| Geography by Picture - R | 0 | - | 4.56 | 41,017 |
| Geography by Picture - T | 0 | - | 4.54 | 57,831 |
| Flags of Oceania | 0 | - | 5.00 | 258,774 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,180 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,974 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,805 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,124 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,678 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,408,661 |
| Flags of WW1 | 0 | - | 4.60 | 38,352 |
| Landlocked Countries | 0 | - | 4.99 | 419,845 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,611 |
| Satellite Images #1 | 0 | - | 4.47 | 129,347 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,283 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,897 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,903 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,968 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,951 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,820 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,555 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,754 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,853 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,065 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,664 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,387 |
| Himalayan Countries | 0 | - | 4.95 | 137,819 |
| Andean Countries | 0 | - | 4.95 | 84,124 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,351 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,910 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,990 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,461 |
| Danube Countries | 0 | - | 4.97 | 71,756 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,686 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,152 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,834 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,907 |
| European Landlocked Countries | 0 | - | 4.99 | 146,879 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,264 |
| Countries with the Most Species | 0 | - | 4.99 | 103,020 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,422 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,461 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,632 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,386 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,059 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,458 |
| Countries in the Alps | 0 | - | 4.87 | 117,854 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,236 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,575 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,478 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,364 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,224 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,791 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,388 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,270 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,032 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,638 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,532 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,380 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,002 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,281 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,296 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,397 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,126 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,634 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,690 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,834 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,485 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,051 |
| Largest Countries By Category | 0 | - | 4.97 | 157,806 |
| Countries by Countries | 0 | - | 4.97 | 62,939 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,356 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,186 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,494 |
| Merged Country Flags | 0 | - | 4.88 | 106,704 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,865 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,738 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,603 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,437 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,763,243 |
| Merged Countries #2 | 0 | - | 4.96 | 99,013 |
| Merged Countries #6 | 0 | - | 4.90 | 73,218 |
| Merged Countries #7 | 0 | - | 4.93 | 82,568 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,497 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,782 |
| Geography by Picture - A | 0 | - | 4.39 | 60,240 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,988 |
| Geography by Picture - G | 0 | - | 4.38 | 47,939 |
| Geography by Picture - J | 0 | - | 4.16 | 38,458 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,062 |
| Geography by Picture - L | 0 | - | 4.37 | 58,945 |
| Geography by Picture - M | 0 | - | 4.14 | 40,450 |
| Geography by Picture - P | 0 | - | 4.24 | 42,430 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,310 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,424 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,797 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,388 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,138 |
| Longest International Borders | 0 | - | 4.99 | 264,838 |
| Countries with Three Borders | 0 | - | 4.96 | 36,505 |
