| All Country Flags of the World | 0 | - | 5.00 | 3,717,374 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,569 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,529 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,664 |
| Flags with Crescents | 0 | - | 4.98 | 171,475 |
| Country Flag Trivia | 0 | - | 4.82 | 58,140 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,983 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,505 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,695 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,010 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,049 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,532 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,485 |
| Flags of North and South America | 0 | - | 4.99 | 377,342 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,433 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,430 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,000 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,245 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,681 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,401 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,745 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,466 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,398 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,415 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,338 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,403 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,190 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,788 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,203 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,134 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,517 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,966 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,107 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,457 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,705 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,777 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,745 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,807 |
| Flags to Languages | 0 | - | 4.95 | 174,573 |
| Former Flags | 0 | - | 4.97 | 108,659 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,259 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,063 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,043 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,635 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,244 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,306 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,629 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,418 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,504 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,589 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,188 |
| Flag Maths | 0 | - | 4.61 | 57,854 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,914 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,211 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,287 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,079 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,654 |
| World Coats of Arms | 0 | - | 4.99 | 65,208 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,904 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,790 |
| Similar Flags #1 | 0 | - | 4.75 | 130,849 |
| Similar Flags #2 | 0 | - | 4.74 | 138,116 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,043 |
| Emoji Flags | 0 | - | 4.35 | 44,300 |
| Countries by Road Signs | 0 | - | 4.98 | 54,384 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,462 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,163 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,184 |
| Select the World Flags | 0 | - | 4.28 | 38,006 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,559 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,801 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,511 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,554 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,143 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,721 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,455 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,077 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,231 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,717 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,144 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,865 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,234 |
| Pixelated World Map | 0 | - | 5.00 | 144,145 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,934 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,730,463 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,108 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,238 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,435 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,596 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,155 |
| Flags of Oceania | 0 | - | 5.00 | 262,955 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,667 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,507 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,490 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,806 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,514 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,475 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,429 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,812 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,401 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,709 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,239 |
| Geography by Picture - B | 0 | - | 4.42 | 55,793 |
| Geography by Picture - H | 0 | - | 4.50 | 58,399 |
| Geography by Picture - N | 0 | - | 4.45 | 42,357 |
| Geography by Picture - R | 0 | - | 4.56 | 41,162 |
| Geography by Picture - T | 0 | - | 4.54 | 58,014 |
| Flags of WW1 | 0 | - | 4.60 | 38,726 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,328 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,993 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,693 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,786 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,830 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,837 |
| Name a Valid African Country | 0 | - | 4.98 | 155,107 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,950 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,900 |
| Boundary Waters | 0 | - | 4.92 | 88,791 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,428 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,745 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,398 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,000 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,013 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,911,047 |
| Landlocked Countries | 0 | - | 4.99 | 426,377 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,140 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,695 |
| Random Point on Land to European Country | 0 | - | 4.94 | 78,093 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,820 |
| Merged Countries #2 | 0 | - | 4.96 | 99,905 |
| Merged Countries #4 | 0 | - | 4.81 | 94,148 |
| Merged Countries #6 | 0 | - | 4.90 | 73,837 |
| Merged Countries #7 | 0 | - | 4.93 | 83,173 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,481 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,463 |
| Satellite Images #1 | 0 | - | 4.46 | 130,023 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,716 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,415 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,263 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,240 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,606 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,946 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,438 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,045 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,064 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,316 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,750 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,736 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,786 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,284 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,395 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,445 |
| Which City in Europe? | 0 | - | 4.83 | 107,916 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,486 |
| Himalayan Countries | 0 | - | 4.93 | 140,431 |
| Andean Countries | 0 | - | 4.94 | 85,579 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,724 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,169 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,284 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,524 |
| Danube Countries | 0 | - | 4.97 | 72,455 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,667 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,889 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,236 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,709 |
| European Landlocked Countries | 0 | - | 4.99 | 147,652 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,371 |
| Countries with the Most Species | 0 | - | 4.99 | 103,595 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,479 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,909 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,870 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,607 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,055 |
| Countries in the Alps | 0 | - | 4.87 | 118,836 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,750 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,967 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,996 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,075 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,015 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,304 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,458 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,903 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,454 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,221 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,906 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,770 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,594 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,838 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,931 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,950 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,650 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,117 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,730 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,900 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,260 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,544 |
| Largest Countries By Category | 0 | - | 4.97 | 158,933 |
| Countries by Countries | 0 | - | 4.96 | 63,692 |
