| All Country Flags of the World | 0 | - | 5.00 | 3,604,994 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,882 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,659 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,847 |
| Flags with Crescents | 0 | - | 4.98 | 167,646 |
| Country Flag Trivia | 0 | - | 4.81 | 55,977 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,480 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,500 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,966 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,500 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,417 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,078 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,097 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,650 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,576 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,823 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,269 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,983 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,415 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,795 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,718 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,345 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,662 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,688 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,425 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,772 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,845 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,613 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,337 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,853 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,292 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,692 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,791 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,423 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,718 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,791 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,000 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,059 |
| Flags of North and South America | 0 | - | 4.99 | 367,670 |
| Flags to Languages | 0 | - | 4.95 | 172,556 |
| Former Flags | 0 | - | 4.97 | 106,747 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,634 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,158 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,819 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,620 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,310 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,717 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,754 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,511 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,473 |
| Flag Maths | 0 | - | 4.78 | 57,681 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,425 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,987 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,455 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,382 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,288 |
| World Coats of Arms | 0 | - | 4.99 | 63,888 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,440 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,847 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,979 |
| Similar Flags #1 | 0 | - | 4.74 | 129,153 |
| Similar Flags #2 | 0 | - | 4.74 | 136,409 |
| Emoji Flags | 0 | - | 4.35 | 43,827 |
| Countries by Road Signs | 0 | - | 4.98 | 53,126 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,057 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,004 |
| Select the World Flags | 0 | - | 4.27 | 37,420 |
| Merged Countries #2 | 0 | - | 4.96 | 98,504 |
| Merged Countries #6 | 0 | - | 4.91 | 72,737 |
| Merged Countries #7 | 0 | - | 4.92 | 81,989 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,328 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,589 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,851 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,069 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,700 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,846 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,689 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,229 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,402 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,995 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,408 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,574 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,939 |
| Pixelated World Map | 0 | - | 5.00 | 142,486 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,761 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,419 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 59,977 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,278 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,732 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,946 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,301 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,919 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,335 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,049 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,580 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,161 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,921 |
| European Countries with One Border | 0 | - | 4.97 | 181,682 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,586 |
| Geography by Picture - B | 0 | - | 4.42 | 55,428 |
| Geography by Picture - H | 0 | - | 4.49 | 58,059 |
| Geography by Picture - N | 0 | - | 4.45 | 42,057 |
| Geography by Picture - R | 0 | - | 4.55 | 40,885 |
| Geography by Picture - T | 0 | - | 4.54 | 57,688 |
| Flags of Oceania | 0 | - | 5.00 | 255,403 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,939 |
| Flags of WW1 | 0 | - | 4.60 | 37,967 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,485 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,112 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,461 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,859 |
| Boundary Waters | 0 | - | 4.92 | 88,063 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,829 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,323 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,348 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,863 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,772 |
| Countries That Border Russia | 0 | - | 4.98 | 459,037 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,922 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,306 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,520 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,482 |
| Countries Bordering France | 0 | - | 4.83 | 399,582 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,168 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,100 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,943,434 |
| Landlocked Countries | 0 | - | 4.99 | 413,864 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,696 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,104 |
| Merged Countries #1 | 0 | - | 4.46 | 104,607 |
| Merged Countries #3 | 0 | - | 4.64 | 81,675 |
| Merged Countries #4 | 0 | - | 4.80 | 92,704 |
| Merged Countries #5 | 0 | - | 4.55 | 70,119 |
| Satellite Images #1 | 0 | - | 4.46 | 129,034 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,005 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,664 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,660 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,816 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,395 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,743 |
| World Capitals Quiz | 0 | - | 5.00 | 5,033,432 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,774 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,317 |
| Countries Bordering India | 0 | - | 4.98 | 162,628 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,725 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,816 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,943 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,721 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,926 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,815 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,455 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,230 |
| Countries that Border China | 0 | - | 4.96 | 261,889 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,870 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,554 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,101 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,248 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,781 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,313 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,528 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,475 |
| Countries that Border Poland | 0 | - | 4.99 | 171,415 |
| Geography by Picture - A | 0 | - | 4.39 | 60,062 |
| Geography by Picture - D | 0 | - | 4.15 | 45,504 |
| Geography by Picture - F | 0 | - | 4.31 | 50,838 |
| Geography by Picture - G | 0 | - | 4.38 | 47,800 |
| Geography by Picture - J | 0 | - | 4.16 | 38,343 |
| Geography by Picture - K | 0 | - | 4.28 | 33,024 |
| Geography by Picture - C | 0 | - | 4.31 | 56,920 |
| Geography by Picture - L | 0 | - | 4.37 | 58,772 |
| Geography by Picture - M | 0 | - | 4.14 | 40,352 |
| Geography by Picture - P | 0 | - | 4.24 | 42,307 |
| Geography by Picture - S | 0 | - | 4.38 | 46,920 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,192 |
| Islands by Picture | 0 | - | 4.29 | 105,946 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,188 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,036 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,688 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,082 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,418 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,025 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,751 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,202 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,999 |
| Island Countries | 0 | - | 4.99 | 707,727 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,695 |
| Himalayan Countries | 0 | - | 4.95 | 135,456 |
| Andean Countries | 0 | - | 4.94 | 82,865 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,259 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,266 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,951 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,638 |
| Danube Countries | 0 | - | 4.97 | 71,102 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,794 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,559 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,531 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,456 |
| European Landlocked Countries | 0 | - | 4.99 | 145,784 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,247 |
| Countries with the Most Species | 0 | - | 4.99 | 95,256 |
