| All Country Flags of the World | 0 | - | 5.00 | 3,716,207 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,375 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,415 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,594 |
| Flags with Crescents | 0 | - | 4.98 | 171,429 |
| Country Flag Trivia | 0 | - | 4.81 | 58,091 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,955 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,477 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,660 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,987 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,025 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,517 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,405 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,393 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,966 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,228 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,659 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,375 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,718 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,446 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,382 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,391 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,317 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,381 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,172 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,765 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,188 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,118 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,510 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,951 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,097 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,443 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,690 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,765 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,731 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,799 |
| Flags of North and South America | 0 | - | 4.99 | 377,234 |
| Flags to Languages | 0 | - | 4.95 | 174,545 |
| Former Flags | 0 | - | 4.97 | 108,638 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,253 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,055 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,032 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,764 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,236 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,253 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,291 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,618 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,395 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,479 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,158 |
| Flag Maths | 0 | - | 4.61 | 57,852 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,895 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,200 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,278 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,074 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,652 |
| World Coats of Arms | 0 | - | 4.99 | 65,187 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,619 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,888 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,759 |
| Similar Flags #1 | 0 | - | 4.75 | 130,824 |
| Similar Flags #2 | 0 | - | 4.74 | 138,102 |
| Emoji Flags | 0 | - | 4.35 | 44,295 |
| Countries by Road Signs | 0 | - | 4.98 | 54,374 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,142 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,553 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,419 |
| Select the World Flags | 0 | - | 4.28 | 38,001 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,574 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,178 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,034 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,788 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,501 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,545 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,141 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,714 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,440 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,074 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,228 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,004 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,297 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,782 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,667 |
| Largest City by Island | 0 | - | 4.87 | 72,472 |
| African Island Countries | 0 | - | 4.96 | 102,554 |
| Pixelated World Map | 0 | - | 5.00 | 144,131 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,088 |
| Islands by Country #1 | 0 | - | 4.90 | 176,388 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,946 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,710 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,927 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,234 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,432 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,453 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,422 |
| Richest Island Countries | 0 | - | 4.85 | 101,248 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,809 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,389 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,706 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,236 |
| Geography by Picture - B | 0 | - | 4.42 | 55,785 |
| Geography by Picture - H | 0 | - | 4.50 | 58,385 |
| Geography by Picture - N | 0 | - | 4.45 | 42,345 |
| Geography by Picture - R | 0 | - | 4.56 | 41,151 |
| Geography by Picture - T | 0 | - | 4.54 | 58,007 |
| Flags of Oceania | 0 | - | 5.00 | 262,869 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,640 |
| Flags of WW1 | 0 | - | 4.60 | 38,715 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,475 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,479 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,796 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,502 |
| Boundary Waters | 0 | - | 4.92 | 88,782 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,729 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,378 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,990 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,999 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,900,577 |
| Landlocked Countries | 0 | - | 4.99 | 426,180 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,242 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,812 |
| Satellite Images #1 | 0 | - | 4.46 | 130,015 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,709 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,407 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,256 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,231 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,599 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,899 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,902 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,300 |
| Merged Countries #2 | 0 | - | 4.96 | 99,897 |
| Merged Countries #4 | 0 | - | 4.81 | 94,141 |
| Merged Countries #6 | 0 | - | 4.90 | 73,827 |
| Merged Countries #7 | 0 | - | 4.93 | 83,170 |
| Geography by Picture - A | 0 | - | 4.39 | 60,440 |
| Geography by Picture - D | 0 | - | 4.15 | 45,791 |
| Geography by Picture - F | 0 | - | 4.31 | 51,182 |
| Geography by Picture - G | 0 | - | 4.39 | 48,085 |
| Geography by Picture - J | 0 | - | 4.16 | 38,598 |
| Geography by Picture - K | 0 | - | 4.29 | 33,251 |
| Geography by Picture - C | 0 | - | 4.31 | 57,240 |
| Geography by Picture - L | 0 | - | 4.37 | 59,143 |
| Geography by Picture - M | 0 | - | 4.14 | 40,585 |
| Geography by Picture - P | 0 | - | 4.24 | 42,571 |
| Geography by Picture - S | 0 | - | 4.38 | 47,184 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,277 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,521 |
| Islands by Picture | 0 | - | 4.28 | 107,822 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,937 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,427 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,031 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,049 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,691 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,728 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,182 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,766 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,849 |
| Island Countries | 0 | - | 4.99 | 712,662 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,414 |
| Himalayan Countries | 0 | - | 4.93 | 140,370 |
| Andean Countries | 0 | - | 4.94 | 85,533 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,685 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,108 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,256 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,492 |
| Danube Countries | 0 | - | 4.97 | 72,437 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,640 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,870 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,196 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,669 |
| European Landlocked Countries | 0 | - | 4.99 | 147,640 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,348 |
| Countries with the Most Species | 0 | - | 4.99 | 103,587 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,449 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,785 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,897 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,860 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,595 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,040 |
| Countries in the Alps | 0 | - | 4.87 | 118,822 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,709 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,936 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,985 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,049 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,992 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,287 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,436 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,888 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,445 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,207 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,898 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,757 |
| Asian Island Nations | 0 | - | 4.63 | 94,473 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,578 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,822 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,914 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,915 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,636 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,506 |
