| All Country Flags of the World | 0 | - | 5.00 | 3,614,593 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,586 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,481 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,421 |
| Flags with Crescents | 0 | - | 4.98 | 167,934 |
| Country Flag Trivia | 0 | - | 4.81 | 56,133 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,663 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,641 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,174 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,623 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,528 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,196 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,420 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,817 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,310 |
| Country Flags with the Southern Cross | 0 | - | 4.80 | 61,610 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,015 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,003 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,828 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,865 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,874 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,614 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,911 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,995 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,750 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,484 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,964 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,377 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,774 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,893 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,817 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,106 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,293 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,435 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,136 |
| Flags of North and South America | 0 | - | 4.99 | 368,660 |
| Flags to Languages | 0 | - | 4.95 | 172,729 |
| Former Flags | 0 | - | 4.97 | 106,911 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,697 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,173 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,928 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,175 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,762 |
| 20 Random Country Flags | 0 | - | 4.99 | 606,122 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,201 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,753 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,708 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,700 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,805 |
| Flag Maths | 0 | - | 4.78 | 57,692 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,638 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,065 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,513 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,448 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,315 |
| World Coats of Arms | 0 | - | 4.99 | 63,998 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,599 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,014 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,187 |
| Similar Flags #1 | 0 | - | 4.74 | 129,294 |
| Similar Flags #2 | 0 | - | 4.74 | 136,554 |
| Emoji Flags | 0 | - | 4.35 | 43,866 |
| Countries by Road Signs | 0 | - | 4.98 | 53,250 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,136 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,049 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 21,782 |
| Select the World Flags | 0 | - | 4.27 | 37,462 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,409 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,650 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,977 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,115 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,756 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,910 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,736 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,279 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,479 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,048 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,469 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,238 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,093 |
| Pixelated World Map | 0 | - | 5.00 | 142,636 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,848 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,543 |
| Australian States and Territories | 0 | - | 4.96 | 141,123 |
| Counties of England | 0 | - | 4.97 | 790,613 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,326 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,869 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,995 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,428 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,947 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,086 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,626 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,197 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,948 |
| Geography by Picture - B | 0 | - | 4.42 | 55,458 |
| Geography by Picture - H | 0 | - | 4.50 | 58,081 |
| Geography by Picture - N | 0 | - | 4.45 | 42,077 |
| Geography by Picture - R | 0 | - | 4.55 | 40,907 |
| Geography by Picture - T | 0 | - | 4.54 | 57,715 |
| Flags of Oceania | 0 | - | 5.00 | 256,040 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,144 |
| Flags of WW1 | 0 | - | 4.60 | 38,037 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,568 |
| Regions of Italy | 0 | - | 4.92 | 74,938 |
| Provinces of China | 0 | - | 4.97 | 200,965 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,628 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,170 |
| States of Germany | 0 | - | 4.96 | 150,551 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,235 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,586 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,989 |
| Boundary Waters | 0 | - | 4.92 | 88,122 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,888 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,461 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,541 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,975 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,881 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,916 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,836 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,596 |
| US States Quiz | 0 | - | 5.00 | 16,736,145 |
| Departments of France | 0 | - | 4.93 | 53,031 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,027,005 |
| Landlocked Countries | 0 | - | 4.99 | 414,970 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 556,812 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,179 |
| Satellite Images #1 | 0 | - | 4.46 | 129,090 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,051 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,710 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,704 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,849 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,499 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,758 |
| World Capitals Quiz | 0 | - | 5.00 | 5,040,633 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,700 |
| Merged Countries #2 | 0 | - | 4.96 | 98,574 |
| Merged Countries #6 | 0 | - | 4.90 | 72,823 |
| Merged Countries #7 | 0 | - | 4.92 | 82,062 |
| Geography by Picture - A | 0 | - | 4.39 | 60,087 |
| Geography by Picture - D | 0 | - | 4.15 | 45,529 |
| Geography by Picture - F | 0 | - | 4.31 | 50,859 |
| Geography by Picture - G | 0 | - | 4.38 | 47,830 |
| Geography by Picture - J | 0 | - | 4.16 | 38,357 |
| Geography by Picture - K | 0 | - | 4.29 | 33,037 |
| Geography by Picture - C | 0 | - | 4.31 | 56,944 |
| Geography by Picture - L | 0 | - | 4.37 | 58,800 |
| Geography by Picture - M | 0 | - | 4.14 | 40,365 |
| Geography by Picture - P | 0 | - | 4.24 | 42,325 |
| Geography by Picture - S | 0 | - | 4.38 | 46,938 |
| Counties of Ireland | 0 | - | 4.92 | 193,519 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,040 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,207 |
| Islands by Picture | 0 | - | 4.29 | 106,119 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,262 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,158 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,037 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,270 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,525 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,144 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,088 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,600 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,558 |
| Island Countries | 0 | - | 4.99 | 708,151 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,142 |
| Himalayan Countries | 0 | - | 4.95 | 135,841 |
| Andean Countries | 0 | - | 4.94 | 83,099 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,423 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,532 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,129 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,783 |
| Danube Countries | 0 | - | 4.97 | 71,224 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,950 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,671 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,776 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,695 |
| European Landlocked Countries | 0 | - | 4.99 | 145,926 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,444 |
| Countries with the Most Species | 0 | - | 4.99 | 95,318 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,591 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,251 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,424 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,040 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,689 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,052 |
| Countries in the Alps | 0 | - | 4.86 | 117,051 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,718 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,516 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,133 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,549 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,333 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,745 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,867 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,654 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,175 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,255 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,120 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,581 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,853 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,864 |
