| All Country Flags of the World | 0 | - | 5.00 | 3,692,488 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,542,212 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,363 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,137 |
| Flags with Crescents | 0 | - | 4.98 | 170,678 |
| Country Flag Trivia | 0 | - | 4.81 | 57,625 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,419 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,019 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,089 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,651 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,664 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,240 |
| 20 Random Country Flags | 0 | - | 4.99 | 616,239 |
| Flags of North and South America | 0 | - | 4.99 | 375,306 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,694 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,811 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,346 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,865 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,130 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,822 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,064 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,071 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,004 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,003 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,977 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,055 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,854 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,470 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,909 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,936 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,339 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,695 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,826 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,191 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,381 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,468 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,395 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,673 |
| Flags to Languages | 0 | - | 4.95 | 174,146 |
| Former Flags | 0 | - | 4.97 | 108,167 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,121 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,831 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,787 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,113 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,497 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,129 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,075 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,417 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,019 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,068 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,301 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,399 |
| Flag Maths | 0 | - | 4.61 | 57,806 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,444 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,974 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,132 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,931 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,580 |
| World Coats of Arms | 0 | - | 4.99 | 64,853 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,542 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,244 |
| Similar Flags #1 | 0 | - | 4.75 | 130,453 |
| Similar Flags #2 | 0 | - | 4.74 | 137,755 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,150 |
| Emoji Flags | 0 | - | 4.35 | 44,207 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,779 |
| Countries by Road Signs | 0 | - | 4.98 | 54,163 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,812 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,875 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,049 |
| Select the World Flags | 0 | - | 4.27 | 37,883 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,407 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,308 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,981 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,511 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,370 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,626 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,325 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,402 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,046 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,630 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,993 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,961 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,097 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,473 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,989 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,437 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,688 |
| Pixelated World Map | 0 | - | 5.00 | 143,802 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,798 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,725,094 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,925 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,908 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,333 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,286 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,778 |
| Flags of Oceania | 0 | - | 5.00 | 261,384 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,035 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,275 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,218 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,561 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,179 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,791 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,246 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,718 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,219 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,601 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,159 |
| Geography by Picture - B | 0 | - | 4.42 | 55,710 |
| Geography by Picture - H | 0 | - | 4.50 | 58,312 |
| Geography by Picture - N | 0 | - | 4.45 | 42,287 |
| Geography by Picture - R | 0 | - | 4.56 | 41,096 |
| Geography by Picture - T | 0 | - | 4.54 | 57,933 |
| Flags of WW1 | 0 | - | 4.60 | 38,575 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,194 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,854 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,097 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,372 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,162 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,428 |
| Name a Valid African Country | 0 | - | 4.98 | 154,634 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,426 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,863 |
| Boundary Waters | 0 | - | 4.92 | 88,650 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,321 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,436 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,987 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,754 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,736 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,697,721 |
| Landlocked Countries | 0 | - | 4.99 | 423,396 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,670 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 581,899 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,686 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,662 |
| Merged Countries #2 | 0 | - | 4.96 | 99,380 |
| Merged Countries #6 | 0 | - | 4.90 | 73,592 |
| Merged Countries #7 | 0 | - | 4.93 | 82,948 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,197 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,506 |
| Satellite Images #1 | 0 | - | 4.47 | 129,554 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,458 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,039 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,064 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,076 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,321 |
| British Geography Quiz #1 | 0 | - | 4.55 | 53,855 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,267 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,795 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,172 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,635 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,667 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,958 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,379 |
| World Capitals Quiz | 0 | - | 5.00 | 5,092,179 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,084 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,200 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,155 |
| Which City in Europe? | 0 | - | 4.83 | 107,714 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,170 |
| Himalayan Countries | 0 | - | 4.94 | 139,365 |
| Andean Countries | 0 | - | 4.94 | 84,952 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,171 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,338 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,739 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,055 |
| Danube Countries | 0 | - | 4.97 | 72,169 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,249 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,571 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,617 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,124 |
| European Landlocked Countries | 0 | - | 4.99 | 147,324 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,900 |
| Countries with the Most Species | 0 | - | 4.99 | 103,384 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,037 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,662 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,777 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,649 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,405 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,810 |
| Countries in the Alps | 0 | - | 4.87 | 118,429 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,922 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,363 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,784 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,767 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,677 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,069 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,865 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,638 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,271 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,991 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,742 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,612 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,355 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,604 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,677 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,262 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,435 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,002 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,298 |
