| All Country Flags of the World | 0 | - | 5.00 | 3,699,291 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,258 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,898 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,547 |
| Flags with Crescents | 0 | - | 4.98 | 170,914 |
| Country Flag Trivia | 0 | - | 4.81 | 57,755 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,578 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,153 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,252 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,725 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,759 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,319 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,934 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,006 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,511 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,984 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,295 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,000 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,259 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,172 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,099 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,115 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,086 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,156 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,947 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,566 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,991 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,985 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,393 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,771 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,918 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,270 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,481 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,555 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,501 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,724 |
| Flags of North and South America | 0 | - | 4.99 | 375,854 |
| Flags to Languages | 0 | - | 4.95 | 174,258 |
| Former Flags | 0 | - | 4.97 | 108,306 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,158 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,896 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,866 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,576 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,158 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,055 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,130 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,458 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,110 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,196 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,618 |
| Flag Maths | 0 | - | 4.61 | 57,815 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,562 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,032 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,165 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,966 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,596 |
| World Coats of Arms | 0 | - | 4.99 | 64,938 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,268 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,653 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,418 |
| Similar Flags #1 | 0 | - | 4.75 | 130,543 |
| Similar Flags #2 | 0 | - | 4.74 | 137,853 |
| Emoji Flags | 0 | - | 4.35 | 44,238 |
| Countries by Road Signs | 0 | - | 4.98 | 54,225 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,936 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,444 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,987 |
| Select the World Flags | 0 | - | 4.28 | 37,916 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,369 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,084 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,581 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,676 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,383 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,442 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,075 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,652 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,148 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,999 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,137 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,696 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,205 |
| Pixelated World Map | 0 | - | 5.00 | 143,890 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,870 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,712 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,537 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,832 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,995 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,352 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,025 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,309 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,748 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,270 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,628 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,184 |
| Geography by Picture - B | 0 | - | 4.42 | 55,736 |
| Geography by Picture - H | 0 | - | 4.50 | 58,336 |
| Geography by Picture - N | 0 | - | 4.45 | 42,304 |
| Geography by Picture - R | 0 | - | 4.56 | 41,111 |
| Geography by Picture - T | 0 | - | 4.54 | 57,957 |
| Flags of Oceania | 0 | - | 5.00 | 261,815 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,195 |
| Flags of WW1 | 0 | - | 4.60 | 38,600 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,323 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,278 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,637 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,280 |
| Boundary Waters | 0 | - | 4.92 | 88,689 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,345 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,505 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,093 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,809 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,811 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,750,174 |
| Landlocked Countries | 0 | - | 4.99 | 424,070 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,118 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,699 |
| Satellite Images #1 | 0 | - | 4.47 | 129,596 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,495 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,077 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,099 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,101 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,439 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,870 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,322 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,793,546 |
| Merged Countries #2 | 0 | - | 4.96 | 99,746 |
| Merged Countries #6 | 0 | - | 4.90 | 73,685 |
| Merged Countries #7 | 0 | - | 4.93 | 83,028 |
| Geography by Picture - A | 0 | - | 4.39 | 60,386 |
| Geography by Picture - D | 0 | - | 4.15 | 45,751 |
| Geography by Picture - F | 0 | - | 4.31 | 51,130 |
| Geography by Picture - G | 0 | - | 4.39 | 48,047 |
| Geography by Picture - J | 0 | - | 4.16 | 38,559 |
| Geography by Picture - K | 0 | - | 4.29 | 33,216 |
| Geography by Picture - C | 0 | - | 4.31 | 57,188 |
| Geography by Picture - L | 0 | - | 4.37 | 59,094 |
| Geography by Picture - M | 0 | - | 4.14 | 40,548 |
| Geography by Picture - P | 0 | - | 4.24 | 42,528 |
| Geography by Picture - S | 0 | - | 4.38 | 47,144 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,467 |
| Islands by Picture | 0 | - | 4.28 | 107,546 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,828 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,241 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,747 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,765 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,467 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,490 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,816 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,179 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,682 |
| Island Countries | 0 | - | 4.99 | 711,874 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,444 |
| Himalayan Countries | 0 | - | 4.94 | 139,614 |
| Andean Countries | 0 | - | 4.94 | 85,102 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,291 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,523 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,859 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,152 |
| Danube Countries | 0 | - | 4.97 | 72,232 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,350 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,656 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,760 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,258 |
| European Landlocked Countries | 0 | - | 4.99 | 147,406 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,013 |
| Countries with the Most Species | 0 | - | 4.99 | 103,439 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,142 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,691 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,802 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,715 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,446 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,864 |
| Countries in the Alps | 0 | - | 4.87 | 118,512 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,155 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,496 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,825 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,830 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,761 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,106 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,952 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,695 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,317 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,030 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,770 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,638 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,405 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,647 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,739 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,417 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,488 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,360 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,424 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,010 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,721 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,397 |
| Largest Countries By Category | 0 | - | 4.97 | 158,577 |
| Countries by Countries | 0 | - | 4.96 | 63,460 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,033 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,355 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,629 |
