| All Country Flags of the World | 0 | - | 5.00 | 3,714,394 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,092 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,244 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,480 |
| Flags with Crescents | 0 | - | 4.98 | 171,366 |
| Country Flag Trivia | 0 | - | 4.81 | 58,040 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,920 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,446 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,613 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,958 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,998 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,499 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,015 |
| Flags of North and South America | 0 | - | 4.99 | 377,054 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,361 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,351 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,928 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,200 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,623 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,344 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,672 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,411 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,354 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,366 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,292 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,360 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,146 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,750 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,157 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,102 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,497 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,933 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,079 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,423 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,666 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,746 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,709 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,794 |
| Flags to Languages | 0 | - | 4.95 | 174,523 |
| Former Flags | 0 | - | 4.97 | 108,594 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,240 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,035 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,015 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,588 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,231 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,273 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,603 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,371 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,439 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,555 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,088 |
| Flag Maths | 0 | - | 4.61 | 57,845 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,871 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,187 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,265 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,067 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,647 |
| World Coats of Arms | 0 | - | 4.99 | 65,161 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,867 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,724 |
| Similar Flags #1 | 0 | - | 4.75 | 130,800 |
| Similar Flags #2 | 0 | - | 4.74 | 138,084 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,020 |
| Emoji Flags | 0 | - | 4.35 | 44,293 |
| Countries by Road Signs | 0 | - | 4.98 | 54,352 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,374 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,123 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,165 |
| Select the World Flags | 0 | - | 4.28 | 37,995 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,538 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,779 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,489 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,537 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,132 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,703 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,415 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,063 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,221 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,694 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,215 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,418 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,711 |
| Pixelated World Map | 0 | - | 5.00 | 144,115 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,916 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,729,957 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,653 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,206 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,424 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,572 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,105 |
| Flags of Oceania | 0 | - | 5.00 | 262,740 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,601 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,462 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,462 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,780 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,476 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,410 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,404 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,798 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,374 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,697 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,226 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,380 |
| Geography by Picture - N | 0 | - | 4.45 | 42,339 |
| Geography by Picture - R | 0 | - | 4.56 | 41,147 |
| Geography by Picture - T | 0 | - | 4.54 | 58,000 |
| Flags of WW1 | 0 | - | 4.60 | 38,696 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,317 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,981 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,632 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,742 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,671 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,789 |
| Name a Valid African Country | 0 | - | 4.98 | 155,038 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,897 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,896 |
| Boundary Waters | 0 | - | 4.92 | 88,768 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,412 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,705 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,355 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,971 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,977 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,884,530 |
| Landlocked Countries | 0 | - | 4.99 | 425,939 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,084 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,587 |
| Random Point on Land to European Country | 0 | - | 4.94 | 78,045 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,802 |
| Merged Countries #2 | 0 | - | 4.96 | 99,885 |
| Merged Countries #4 | 0 | - | 4.81 | 94,128 |
| Merged Countries #6 | 0 | - | 4.90 | 73,813 |
| Merged Countries #7 | 0 | - | 4.93 | 83,156 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,452 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,447 |
| Satellite Images #1 | 0 | - | 4.46 | 129,996 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,691 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,371 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,238 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,215 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,588 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,087 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,931 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,405 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,990 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,015 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,267 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,738 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,712 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,485 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,267 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,379 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,416 |
| Which City in Europe? | 0 | - | 4.83 | 107,896 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,309 |
| Himalayan Countries | 0 | - | 4.93 | 140,278 |
| Andean Countries | 0 | - | 4.94 | 85,486 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,630 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,026 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,197 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,452 |
| Danube Countries | 0 | - | 4.97 | 72,403 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,604 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,850 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,143 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,629 |
| European Landlocked Countries | 0 | - | 4.99 | 147,614 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,315 |
| Countries with the Most Species | 0 | - | 4.99 | 103,571 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,426 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,777 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,889 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,842 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,583 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,025 |
| Countries in the Alps | 0 | - | 4.87 | 118,786 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,646 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,880 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,969 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,032 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,968 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,266 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,417 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,872 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,429 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,184 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,881 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,749 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,565 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,805 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,899 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,870 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,621 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 72,680 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,681 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,749 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,171 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,510 |
| Largest Countries By Category | 0 | - | 4.97 | 158,878 |
| Countries by Countries | 0 | - | 4.96 | 63,648 |
