| All Country Flags of the World | 0 | - | 5.00 | 3,672,021 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,557 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,536 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,585 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,912 |
| Flags with Crescents | 0 | - | 4.98 | 169,823 |
| Country Flag Trivia | 0 | - | 4.81 | 57,180 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,962 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,656 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,598 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,385 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,340 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,932 |
| Flags of North and South America | 0 | - | 4.99 | 373,680 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,031 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,235 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,743 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,475 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,587 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,272 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,443 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,715 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,648 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,638 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,668 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,765 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,538 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,198 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,631 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,777 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,178 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,463 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,539 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,877 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,086 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,189 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,037 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,059 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,517 |
| Flags to Languages | 0 | - | 4.95 | 173,783 |
| Former Flags | 0 | - | 4.97 | 107,847 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,993 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,619 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,551 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,707 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,012 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,816 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,234 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,686 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,706 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,714 |
| Flag Maths | 0 | - | 4.64 | 57,775 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,026 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,787 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,013 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,813 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,528 |
| World Coats of Arms | 0 | - | 4.99 | 64,618 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,906 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,707 |
| Similar Flags #1 | 0 | - | 4.75 | 130,165 |
| Similar Flags #2 | 0 | - | 4.74 | 137,453 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,842 |
| Emoji Flags | 0 | - | 4.35 | 44,129 |
| Countries by Road Signs | 0 | - | 4.98 | 53,934 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,150 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,675 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,954 |
| Select the World Flags | 0 | - | 4.27 | 37,798 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,310 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,286 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,877 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,032 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,834 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,509 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,198 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,282 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,965 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,547 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,331 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,799 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,932 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,217 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,156 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,524 |
| Random European City to Country | 0 | - | 4.69 | 117,778 |
| Random Asian City to Country | 0 | - | 4.56 | 44,552 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,151 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,675 |
| Pixelated World Map | 0 | - | 5.00 | 143,507 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,720,620 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,215 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,626 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,238 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,057 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,405 |
| Flags of Oceania | 0 | - | 5.00 | 259,874 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,502 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,098 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,942 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,307 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,880 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,183 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,092 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,245 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,117 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,585 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,021 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,481 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,045 |
| Geography by Picture - B | 0 | - | 4.42 | 55,647 |
| Geography by Picture - H | 0 | - | 4.50 | 58,264 |
| Geography by Picture - N | 0 | - | 4.45 | 42,231 |
| Geography by Picture - R | 0 | - | 4.56 | 41,052 |
| Geography by Picture - T | 0 | - | 4.54 | 57,879 |
| Flags of WW1 | 0 | - | 4.60 | 38,441 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,952 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,576 |
| Random U.S. City to State | 0 | - | 4.45 | 76,360 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,539 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,818 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,507 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,122 |
| Name a Valid African Country | 0 | - | 4.98 | 154,211 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,870 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,832 |
| Boundary Waters | 0 | - | 4.92 | 88,515 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,209 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,183 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,578 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,529 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,491 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,857 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,522,569 |
| Landlocked Countries | 0 | - | 4.99 | 421,238 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,388 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,200 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,554 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,536 |
| Merged Countries #2 | 0 | - | 4.96 | 99,159 |
| Merged Countries #6 | 0 | - | 4.90 | 73,361 |
| Merged Countries #7 | 0 | - | 4.93 | 82,701 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,932 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,182 |
| Satellite Images #1 | 0 | - | 4.47 | 129,426 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,351 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,955 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,973 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,017 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,093 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,810 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,667 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,928 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,295 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,295 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,672 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,058 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,795 |
| Which City in Europe? | 0 | - | 4.83 | 107,478 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,079 |
| Himalayan Countries | 0 | - | 4.95 | 138,392 |
| Andean Countries | 0 | - | 4.93 | 84,415 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,636 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,566 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,259 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,659 |
| Danube Countries | 0 | - | 4.97 | 71,919 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,899 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,329 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,138 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,599 |
| European Landlocked Countries | 0 | - | 4.99 | 147,053 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,496 |
| Countries with the Most Species | 0 | - | 4.99 | 103,160 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,648 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,543 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,686 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,488 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,167 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,580 |
| Countries in the Alps | 0 | - | 4.87 | 118,076 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,545 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,884 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,597 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,524 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,409 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,887 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,569 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,426 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,129 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,774 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,604 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,465 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,142 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,403 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,442 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,714 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,238 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 60,638 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,931 |