| All Country Flags of the World | 0 | - | 5.00 | 3,715,138 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,228 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,323 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,541 |
| Flags with Crescents | 0 | - | 4.98 | 171,396 |
| Country Flag Trivia | 0 | - | 4.81 | 58,060 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,931 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,461 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,631 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,969 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,009 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,507 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,283 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,610 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,385 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,379 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,369 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,938 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,216 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,637 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,358 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,692 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,434 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,369 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,379 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,310 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,371 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,157 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,757 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,173 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,112 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,504 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,938 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,089 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,432 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,674 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,756 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,714 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,796 |
| Flags of North and South America | 0 | - | 4.99 | 377,135 |
| Flags to Languages | 0 | - | 4.95 | 174,533 |
| Former Flags | 0 | - | 4.97 | 108,610 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,248 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,047 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,020 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,755 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,233 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,132 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,457 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,112 |
| Flag Maths | 0 | - | 4.61 | 57,848 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,887 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,192 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,271 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,070 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,648 |
| World Coats of Arms | 0 | - | 4.99 | 65,170 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,601 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,874 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,742 |
| Similar Flags #1 | 0 | - | 4.75 | 130,810 |
| Similar Flags #2 | 0 | - | 4.74 | 138,089 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,671 |
| Emoji Flags | 0 | - | 4.35 | 44,295 |
| Countries by Road Signs | 0 | - | 4.98 | 54,361 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,134 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,541 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,386 |
| Select the World Flags | 0 | - | 4.28 | 37,999 |
| Merged Countries #2 | 0 | - | 4.96 | 99,891 |
| Merged Countries #4 | 0 | - | 4.81 | 94,134 |
| Merged Countries #6 | 0 | - | 4.90 | 73,819 |
| Merged Countries #7 | 0 | - | 4.93 | 83,162 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,563 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,169 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,024 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,783 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,497 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,541 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,135 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,707 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,425 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,065 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,225 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,431 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,505 |
| Pixelated World Map | 0 | - | 5.00 | 144,123 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,070 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,746 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,699 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,590 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,923 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,219 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,429 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,431 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,410 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,931 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,800 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,380 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,698 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,228 |
| European Countries with One Border | 0 | - | 4.97 | 183,821 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,560 |
| Geography by Picture - B | 0 | - | 4.42 | 55,785 |
| Geography by Picture - H | 0 | - | 4.50 | 58,384 |
| Geography by Picture - N | 0 | - | 4.45 | 42,341 |
| Geography by Picture - R | 0 | - | 4.56 | 41,148 |
| Geography by Picture - T | 0 | - | 4.54 | 58,003 |
| Flags of Oceania | 0 | - | 5.00 | 262,783 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,616 |
| Flags of WW1 | 0 | - | 4.60 | 38,702 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,467 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,469 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,789 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,486 |
| Boundary Waters | 0 | - | 4.92 | 88,774 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,715 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,363 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,982 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,987 |
| Countries That Border Russia | 0 | - | 4.98 | 464,542 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,615 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,898 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,476 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,611 |
| Countries Bordering France | 0 | - | 4.83 | 404,958 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,898 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,687 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,891,232 |
| Landlocked Countries | 0 | - | 4.99 | 426,040 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,969 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,807 |
| Merged Countries #1 | 0 | - | 4.46 | 105,687 |
| Merged Countries #3 | 0 | - | 4.64 | 82,629 |
| Merged Countries #5 | 0 | - | 4.50 | 71,079 |
| Satellite Images #1 | 0 | - | 4.46 | 130,007 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,698 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,402 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,250 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,227 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,595 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,898 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,121 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,265 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,410 |
| Countries Bordering India | 0 | - | 4.98 | 163,826 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,014 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,955 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,703 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,714 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,897 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,068 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,937 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,846 |
| Countries that Border China | 0 | - | 4.96 | 264,307 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,113 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,145 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,195 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,806 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,106 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,918 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,898 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,262 |
| Countries that Border Poland | 0 | - | 4.99 | 173,183 |
| Geography by Picture - A | 0 | - | 4.39 | 60,438 |
| Geography by Picture - D | 0 | - | 4.15 | 45,790 |
| Geography by Picture - F | 0 | - | 4.31 | 51,180 |
| Geography by Picture - G | 0 | - | 4.39 | 48,083 |
| Geography by Picture - J | 0 | - | 4.16 | 38,597 |
| Geography by Picture - K | 0 | - | 4.29 | 33,250 |
| Geography by Picture - C | 0 | - | 4.31 | 57,240 |
| Geography by Picture - L | 0 | - | 4.37 | 59,140 |
| Geography by Picture - M | 0 | - | 4.14 | 40,583 |
| Geography by Picture - P | 0 | - | 4.24 | 42,569 |
| Geography by Picture - S | 0 | - | 4.38 | 47,182 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,517 |
| Islands by Picture | 0 | - | 4.28 | 107,807 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,934 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,415 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,011 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,025 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,573 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,723 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,887 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,732 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,777 |
| Island Countries | 0 | - | 4.99 | 712,625 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,361 |
| Himalayan Countries | 0 | - | 4.93 | 140,320 |
| Andean Countries | 0 | - | 4.94 | 85,508 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,650 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,061 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,229 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,462 |
| Danube Countries | 0 | - | 4.97 | 72,424 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,621 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,857 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,161 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,644 |
