| All Country Flags of the World | 0 | - | 5.00 | 3,712,790 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,840 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,116 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,389 |
| Flags with Crescents | 0 | - | 4.98 | 171,315 |
| Country Flag Trivia | 0 | - | 4.81 | 58,007 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,881 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,421 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,582 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,935 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,973 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,482 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,256 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,587 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,337 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,328 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,310 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,876 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,182 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,595 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,305 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,632 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,378 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,327 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,333 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,261 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,335 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,125 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,734 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,129 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,088 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,488 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,920 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,066 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,408 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,647 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,731 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,688 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,788 |
| Flags of North and South America | 0 | - | 4.99 | 376,899 |
| Flags to Languages | 0 | - | 4.95 | 174,499 |
| Former Flags | 0 | - | 4.97 | 108,568 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,227 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,019 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,005 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,733 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,224 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,780 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,420 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,045 |
| Flag Maths | 0 | - | 4.61 | 57,840 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,847 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,177 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,253 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,055 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,643 |
| World Coats of Arms | 0 | - | 4.99 | 65,126 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,555 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,851 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,695 |
| Similar Flags #1 | 0 | - | 4.75 | 130,765 |
| Similar Flags #2 | 0 | - | 4.74 | 138,059 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,643 |
| Emoji Flags | 0 | - | 4.35 | 44,287 |
| Countries by Road Signs | 0 | - | 4.98 | 54,341 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,105 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,525 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,335 |
| Select the World Flags | 0 | - | 4.28 | 37,991 |
| Merged Countries #2 | 0 | - | 4.96 | 99,875 |
| Merged Countries #4 | 0 | - | 4.81 | 94,118 |
| Merged Countries #6 | 0 | - | 4.90 | 73,804 |
| Merged Countries #7 | 0 | - | 4.93 | 83,144 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,538 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,164 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,000 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,774 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,479 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,525 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,122 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,698 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,398 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,058 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,210 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,770 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,164 |
| Pixelated World Map | 0 | - | 5.00 | 144,096 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,046 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,412 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,671 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,578 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,904 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,182 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,419 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,385 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,398 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 227,895 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,795 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,369 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,690 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,223 |
| European Countries with One Border | 0 | - | 4.97 | 183,778 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,511 |
| Geography by Picture - B | 0 | - | 4.42 | 55,782 |
| Geography by Picture - H | 0 | - | 4.50 | 58,378 |
| Geography by Picture - N | 0 | - | 4.45 | 42,337 |
| Geography by Picture - R | 0 | - | 4.56 | 41,144 |
| Geography by Picture - T | 0 | - | 4.54 | 57,998 |
| Flags of Oceania | 0 | - | 5.00 | 262,627 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,558 |
| Flags of WW1 | 0 | - | 4.60 | 38,684 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,448 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,444 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,768 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,461 |
| Boundary Waters | 0 | - | 4.92 | 88,759 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,409 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,692 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,339 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,958 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,959 |
| Countries That Border Russia | 0 | - | 4.98 | 464,468 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,603 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,870 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,458 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,592 |
| Countries Bordering France | 0 | - | 4.83 | 404,867 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,812 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,676 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,870,920 |
| Landlocked Countries | 0 | - | 4.99 | 425,718 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,074 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,791 |
| Merged Countries #1 | 0 | - | 4.46 | 105,669 |
| Merged Countries #3 | 0 | - | 4.64 | 82,614 |
| Merged Countries #5 | 0 | - | 4.50 | 71,063 |
| Satellite Images #1 | 0 | - | 4.46 | 129,967 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,665 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,250 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,213 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,191 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,571 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,893 |
| World Capitals Quiz | 0 | - | 5.00 | 5,105,402 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,257 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,741 |
| Countries Bordering India | 0 | - | 4.98 | 163,812 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,999 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,940 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,698 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,675 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,805 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,052 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,881 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,829 |
| Countries that Border China | 0 | - | 4.96 | 264,256 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,097 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,130 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,179 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,784 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,077 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,914 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,882 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,248 |
| Countries that Border Poland | 0 | - | 4.99 | 173,154 |
| Geography by Picture - A | 0 | - | 4.39 | 60,432 |
| Geography by Picture - D | 0 | - | 4.15 | 45,783 |
| Geography by Picture - F | 0 | - | 4.31 | 51,170 |
| Geography by Picture - G | 0 | - | 4.39 | 48,074 |
| Geography by Picture - J | 0 | - | 4.16 | 38,592 |
| Geography by Picture - K | 0 | - | 4.29 | 33,247 |
| Geography by Picture - C | 0 | - | 4.31 | 57,232 |
| Geography by Picture - L | 0 | - | 4.37 | 59,135 |
| Geography by Picture - M | 0 | - | 4.14 | 40,578 |
| Geography by Picture - P | 0 | - | 4.24 | 42,561 |
| Geography by Picture - S | 0 | - | 4.38 | 47,177 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,506 |
| Islands by Picture | 0 | - | 4.28 | 107,781 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,920 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,390 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,967 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,993 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,329 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,689 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,299 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,663 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,643 |
| Island Countries | 0 | - | 4.99 | 712,532 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,190 |
| Himalayan Countries | 0 | - | 4.93 | 140,193 |
| Andean Countries | 0 | - | 4.94 | 85,410 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,561 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,951 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,133 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,409 |
| Danube Countries | 0 | - | 4.97 | 72,371 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,575 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,822 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,093 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,585 |
