| All Country Flags of the World | 0 | - | 5.00 | 3,596,086 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,034 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,814 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,245 |
| Flags with Crescents | 0 | - | 4.98 | 167,356 |
| Country Flag Trivia | 0 | - | 4.81 | 55,810 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,276 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,367 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,774 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,369 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,295 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,955 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,997 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,550 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,416 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,513 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,006 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,626 |
| Flags that are Red & White Only | 0 | - | 4.97 | 156,964 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 144,419 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,526 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,490 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,505 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,206 |
| Country Flags with the Most Blue | 0 | - | 4.87 | 91,608 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,688 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,486 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,168 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,733 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,212 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,619 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,690 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,302 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,611 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,650 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,877 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,987 |
| Flags of North and South America | 0 | - | 4.99 | 366,045 |
| Flags to Languages | 0 | - | 4.95 | 172,375 |
| Former Flags | 0 | - | 4.97 | 106,554 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,574 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,138 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,694 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,468 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,185 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,667 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,774 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,349 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,155 |
| Flag Maths | 0 | - | 4.78 | 57,665 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,256 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,910 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,409 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,327 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,256 |
| World Coats of Arms | 0 | - | 4.99 | 63,800 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,256 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,669 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,718 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,293 |
| Similar Flags #1 | 0 | - | 4.74 | 129,007 |
| Similar Flags #2 | 0 | - | 4.74 | 136,265 |
| Emoji Flags | 0 | - | 4.35 | 43,793 |
| Countries by Road Signs | 0 | - | 4.98 | 53,023 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,971 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,960 |
| Select the World Flags | 0 | - | 4.27 | 37,375 |
| Merged Countries #2 | 0 | - | 4.96 | 98,406 |
| Merged Countries #6 | 0 | - | 4.91 | 72,659 |
| Merged Countries #7 | 0 | - | 4.93 | 81,905 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,223 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,522 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,723 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,998 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,648 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,779 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,657 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,199 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,323 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,949 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,342 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,716 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,742 |
| Pixelated World Map | 0 | - | 5.00 | 142,273 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,512 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,312 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 59,935 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,236 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,626 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,910 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,207 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,891 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,170 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,020 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,519 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,134 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,900 |
| European Countries with One Border | 0 | - | 4.97 | 181,503 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,006 |
| Geography by Picture - B | 0 | - | 4.42 | 55,391 |
| Geography by Picture - H | 0 | - | 4.49 | 58,024 |
| Geography by Picture - N | 0 | - | 4.45 | 42,036 |
| Geography by Picture - R | 0 | - | 4.55 | 40,867 |
| Geography by Picture - T | 0 | - | 4.54 | 57,653 |
| Flags of Oceania | 0 | - | 5.00 | 254,772 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,709 |
| Flags of WW1 | 0 | - | 4.60 | 37,892 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,375 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,989 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,323 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,700 |
| Boundary Waters | 0 | - | 4.92 | 88,005 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,790 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,199 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,165 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,782 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,668 |
| Countries That Border Russia | 0 | - | 4.98 | 458,632 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,848 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,162 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,426 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,373 |
| Countries Bordering France | 0 | - | 4.85 | 397,500 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,783 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,061 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,868,395 |
| Landlocked Countries | 0 | - | 4.99 | 413,060 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,253 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,010 |
| Merged Countries #1 | 0 | - | 4.46 | 104,537 |
| Merged Countries #3 | 0 | - | 4.64 | 81,613 |
| Merged Countries #4 | 0 | - | 4.80 | 92,626 |
| Merged Countries #5 | 0 | - | 4.55 | 70,045 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,969 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,959 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,619 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,624 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,780 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,298 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,734 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,087 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,728 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,345 |
| Countries Bordering India | 0 | - | 4.98 | 162,553 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,631 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,685 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,896 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,534 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,536 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,735 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,261 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,188 |
| Countries that Border China | 0 | - | 4.96 | 261,724 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,791 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,488 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,026 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,170 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,667 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,282 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,383 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,388 |
| Countries that Border Poland | 0 | - | 4.99 | 171,246 |
| Geography by Picture - A | 0 | - | 4.39 | 60,029 |
| Geography by Picture - D | 0 | - | 4.15 | 45,472 |
| Geography by Picture - F | 0 | - | 4.31 | 50,812 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,322 |
| Geography by Picture - K | 0 | - | 4.28 | 32,999 |
| Geography by Picture - C | 0 | - | 4.31 | 56,894 |
| Geography by Picture - L | 0 | - | 4.37 | 58,732 |
| Geography by Picture - M | 0 | - | 4.14 | 40,334 |
| Geography by Picture - P | 0 | - | 4.24 | 42,288 |
| Geography by Picture - S | 0 | - | 4.38 | 46,898 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,169 |
| Islands by Picture | 0 | - | 4.29 | 105,787 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,120 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,928 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,499 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,863 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,235 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,881 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,543 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,901 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,101 |
| Island Countries | 0 | - | 4.99 | 707,335 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,334 |
| Himalayan Countries | 0 | - | 4.95 | 135,123 |
| Andean Countries | 0 | - | 4.94 | 82,705 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,123 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,043 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,798 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,502 |
| Danube Countries | 0 | - | 4.97 | 71,016 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,677 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,476 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,335 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,248 |
| European Landlocked Countries | 0 | - | 4.99 | 145,689 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,087 |
| Countries with the Most Species | 0 | - | 4.99 | 95,207 |
