| All Country Flags of the World | 0 | - | 5.00 | 3,710,627 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,446 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,950 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,263 |
| Flags with Crescents | 0 | - | 4.98 | 171,244 |
| Country Flag Trivia | 0 | - | 4.81 | 57,957 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,845 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,378 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,534 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,904 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,937 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,449 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,254 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,254 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,821 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,140 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,542 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,259 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,572 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,346 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,291 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,295 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,233 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,306 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,101 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,704 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,106 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,076 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,470 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,902 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,033 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,382 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,621 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,709 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,652 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,779 |
| Flags of North and South America | 0 | - | 4.99 | 376,721 |
| Flags to Languages | 0 | - | 4.95 | 174,463 |
| Former Flags | 0 | - | 4.97 | 108,531 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,219 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,997 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 44,992 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,213 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,546 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,230 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,569 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,294 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,374 |
| Flag Maths | 0 | - | 4.61 | 57,832 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,800 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,150 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,235 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,041 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,636 |
| World Coats of Arms | 0 | - | 4.99 | 65,102 |
| Similar Flags #1 | 0 | - | 4.75 | 130,729 |
| Similar Flags #2 | 0 | - | 4.74 | 138,029 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,523 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,827 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,667 |
| Emoji Flags | 0 | - | 4.35 | 44,277 |
| Countries by Road Signs | 0 | - | 4.98 | 54,327 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,084 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,514 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,270 |
| Select the World Flags | 0 | - | 4.28 | 37,980 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,516 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,154 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,765 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,467 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,516 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,115 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,692 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,377 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,047 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,203 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,963 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,110 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,823 |
| Pixelated World Map | 0 | - | 5.00 | 144,064 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,134 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,645 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,159 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,406 |
| Boundary Waters | 0 | - | 4.92 | 88,748 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,400 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,669 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,299 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,937 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,936 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,343 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,387 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,790 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,350 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,683 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,218 |
| Geography by Picture - B | 0 | - | 4.42 | 55,774 |
| Geography by Picture - H | 0 | - | 4.50 | 58,370 |
| Geography by Picture - N | 0 | - | 4.45 | 42,334 |
| Geography by Picture - R | 0 | - | 4.56 | 41,140 |
| Geography by Picture - T | 0 | - | 4.54 | 57,992 |
| Flags of Oceania | 0 | - | 5.00 | 262,506 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,505 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,420 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,424 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,748 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,442 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,852,947 |
| Flags of WW1 | 0 | - | 4.60 | 38,674 |
| Landlocked Countries | 0 | - | 4.99 | 425,392 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 587,379 |
| Satellite Images #1 | 0 | - | 4.47 | 129,954 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,638 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,192 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,204 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,184 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,538 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,892 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,910 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,372 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,930 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,956 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,040 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,072 |
| Himalayan Countries | 0 | - | 4.93 | 140,090 |
| Andean Countries | 0 | - | 4.94 | 85,351 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,495 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,880 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,079 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,353 |
| Danube Countries | 0 | - | 4.97 | 72,338 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,524 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,784 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,025 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,532 |
| European Landlocked Countries | 0 | - | 4.99 | 147,562 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,231 |
| Countries with the Most Species | 0 | - | 4.99 | 103,534 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,353 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,757 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,863 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,810 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,542 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,976 |
| Countries in the Alps | 0 | - | 4.87 | 118,718 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,539 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,783 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,984 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,907 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,214 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,355 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,819 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,391 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,143 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,840 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,716 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,525 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,750 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,852 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,743 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,580 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,740 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,628 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,539 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,052 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,482 |
| Largest Countries By Category | 0 | - | 4.97 | 158,801 |
| Countries by Countries | 0 | - | 4.96 | 63,604 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,213 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,387 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,657 |
| Merged Country Flags | 0 | - | 4.88 | 107,350 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,870 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,387 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,130 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,068 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,802,206 |
| Merged Countries #2 | 0 | - | 4.96 | 99,856 |
| Merged Countries #4 | 0 | - | 4.81 | 94,091 |
| Merged Countries #6 | 0 | - | 4.90 | 73,791 |
| Merged Countries #7 | 0 | - | 4.93 | 83,130 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,435 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,971 |
| Geography by Picture - A | 0 | - | 4.39 | 60,424 |
| Geography by Picture - D | 0 | - | 4.15 | 45,775 |
| Geography by Picture - F | 0 | - | 4.31 | 51,164 |
| Geography by Picture - G | 0 | - | 4.39 | 48,070 |
| Geography by Picture - J | 0 | - | 4.16 | 38,586 |
| Geography by Picture - K | 0 | - | 4.29 | 33,240 |
| Geography by Picture - C | 0 | - | 4.31 | 57,227 |
| Geography by Picture - L | 0 | - | 4.37 | 59,128 |
| Geography by Picture - M | 0 | - | 4.14 | 40,571 |
| Geography by Picture - P | 0 | - | 4.24 | 42,555 |
| Geography by Picture - S | 0 | - | 4.38 | 47,174 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,764 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,609 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,157 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,002 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,547 |
