| All Country Flags of the World | 0 | - | 5.00 | 3,660,328 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,607 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,624 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,241 |
| Flags with Crescents | 0 | - | 4.98 | 169,447 |
| Country Flag Trivia | 0 | - | 4.81 | 56,978 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,690 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,449 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,340 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,247 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,194 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,765 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,862 |
| Flags of North and South America | 0 | - | 4.99 | 372,826 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,579 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,831 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,336 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,174 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,222 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,940 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,056 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,482 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,451 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,401 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,474 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,578 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,357 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,039 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,475 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,695 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,081 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,326 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,385 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,713 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,924 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,021 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,841 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,439 |
| Flags to Languages | 0 | - | 4.95 | 173,593 |
| Former Flags | 0 | - | 4.97 | 107,669 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,924 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,511 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,413 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,515 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,940 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,690 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,117 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,490 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,506 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,938 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,348 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,526 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,448 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,792 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,737 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,486 |
| World Coats of Arms | 0 | - | 4.99 | 64,465 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,704 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,329 |
| Similar Flags #1 | 0 | - | 4.75 | 129,978 |
| Similar Flags #2 | 0 | - | 4.74 | 137,264 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,670 |
| Emoji Flags | 0 | - | 4.35 | 44,079 |
| Countries by Road Signs | 0 | - | 4.98 | 53,763 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,754 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,566 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,896 |
| Select the World Flags | 0 | - | 4.27 | 37,724 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,248 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,375 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,071 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,161 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,905 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,472 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,396 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,371 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,794 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,065 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,218 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,106 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,171 |
| Pixelated World Map | 0 | - | 5.00 | 143,343 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,718,412 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,800 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,468 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,187 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,887 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,241 |
| Flags of Oceania | 0 | - | 5.00 | 258,856 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,220 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,990 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,821 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,150 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,700 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,035 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,064 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,341 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,064 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,414 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,114 |
| Geography by Picture - B | 0 | - | 4.42 | 55,595 |
| Geography by Picture - H | 0 | - | 4.50 | 58,219 |
| Geography by Picture - N | 0 | - | 4.45 | 42,198 |
| Geography by Picture - R | 0 | - | 4.56 | 41,019 |
| Geography by Picture - T | 0 | - | 4.54 | 57,835 |
| Flags of WW1 | 0 | - | 4.60 | 38,362 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,886 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,503 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,313 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,646 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,776 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,951 |
| Name a Valid African Country | 0 | - | 4.98 | 154,011 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,630 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| Boundary Waters | 0 | - | 4.92 | 88,450 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,136 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,039 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,385 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,438 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,369 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,422,618 |
| Landlocked Countries | 0 | - | 4.99 | 420,003 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,004 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,029 |
| Random Point on Land to European Country | 0 | - | 4.93 | 77,111 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,452 |
| Merged Countries #2 | 0 | - | 4.96 | 99,034 |
| Merged Countries #6 | 0 | - | 4.90 | 73,235 |
| Merged Countries #7 | 0 | - | 4.93 | 82,585 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,793 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,137 |
| Satellite Images #1 | 0 | - | 4.47 | 129,357 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,294 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,902 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,914 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,974 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,971 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,761 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,571 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,776 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,890 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,092 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,511 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,472 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,857 |
| World Capitals Quiz | 0 | - | 5.00 | 5,070,811 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,726 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,968 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,655 |
| Which City in Europe? | 0 | - | 4.83 | 107,361 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,473 |
| Himalayan Countries | 0 | - | 4.95 | 137,897 |
| Andean Countries | 0 | - | 4.95 | 84,160 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,375 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,951 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,029 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,478 |
| Danube Countries | 0 | - | 4.97 | 71,771 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,710 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,168 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,861 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,943 |
| European Landlocked Countries | 0 | - | 4.99 | 146,905 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,295 |
| Countries with the Most Species | 0 | - | 4.99 | 103,041 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,445 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,469 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,638 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,402 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,080 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,470 |
| Countries in the Alps | 0 | - | 4.87 | 117,884 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 97,238 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,607 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,506 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,390 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,243 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,801 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,405 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,284 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,044 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,655 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,546 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,389 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,017 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,308 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,313 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,441 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,140 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,644 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,712 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,936 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,529 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,066 |
| Largest Countries By Category | 0 | - | 4.97 | 157,845 |
| Countries by Countries | 0 | - | 4.97 | 62,955 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,385 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,190 |
