| All Country Flags of the World | 0 | - | 5.00 | 3,674,597 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,039 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,836 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,088 |
| Flags with Crescents | 0 | - | 4.98 | 169,923 |
| Country Flag Trivia | 0 | - | 4.81 | 57,229 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,004 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,704 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,657 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,420 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,391 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,974 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,164 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,093 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,293 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,799 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,516 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,630 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,337 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,525 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,758 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,688 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,675 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,703 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,795 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,574 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,231 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,664 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,797 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,197 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,491 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,583 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,923 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,114 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,219 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,075 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,539 |
| Flags of North and South America | 0 | - | 4.99 | 373,863 |
| Flags to Languages | 0 | - | 4.95 | 173,830 |
| Former Flags | 0 | - | 4.97 | 107,889 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,011 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,639 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,581 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,257 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,870 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,029 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,854 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,257 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,725 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,752 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,471 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,505 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,772 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,938 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,809 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 171,805 |
| Flag Maths | 0 | - | 4.64 | 57,778 |
| South China Sea Countries | 0 | - | 4.78 | 57,740 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,089 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,804 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,035 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,831 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,533 |
| World Coats of Arms | 0 | - | 4.99 | 64,645 |
| Similar Flags #1 | 0 | - | 4.75 | 130,196 |
| Similar Flags #2 | 0 | - | 4.74 | 137,486 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 37,950 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,152 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 72,056 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,906 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,097 |
| Emoji Flags | 0 | - | 4.35 | 44,138 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,966 |
| Countries by Road Signs | 0 | - | 4.98 | 53,968 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,241 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,703 |
| Select the World Flags | 0 | - | 4.27 | 37,815 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,178 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,320 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,537 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,895 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,256 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,714 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,836 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,939 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,196 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,522 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,211 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,294 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,978 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,554 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,790 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,844 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,958 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,527 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,940 |
| Pixelated World Map | 0 | - | 5.00 | 143,554 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,711 |
| Flags of WW1 | 0 | - | 4.60 | 38,459 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,651 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,250 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,998 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,235 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,100 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,623 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,071 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,515 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,076 |
| Merged Company Logos #3 | 0 | - | 4.49 | 64,573 |
| Flags of Oceania | 0 | - | 5.00 | 260,069 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,576 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.34 | 27,228 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,119 |
| African Great Lakes | 0 | - | 4.82 | 66,388 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,813 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,014 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,980 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,340 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,925 |
| U.S. State Capitals Closest to the Mississippi River | 0 | - | 4.85 | 18,393 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,455 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,570 |
| Merged Countries #2 | 0 | - | 4.96 | 99,206 |
| Merged Countries #6 | 0 | - | 4.90 | 73,412 |
| Merged Countries #7 | 0 | - | 4.93 | 82,750 |
| Geography by Picture - B | 0 | - | 4.42 | 55,654 |
| Geography by Picture - H | 0 | - | 4.50 | 58,266 |
| Geography by Picture - N | 0 | - | 4.45 | 42,235 |
| Geography by Picture - R | 0 | - | 4.56 | 41,061 |
| Geography by Picture - T | 0 | - | 4.54 | 57,886 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,565 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,729 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,103 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,545,849 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,566 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,555 |
| Merged Company Logos #4 | 0 | - | 4.39 | 52,515 |
| Satellite Images #1 | 0 | - | 4.47 | 129,446 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,368 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,968 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,989 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,025 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,119 |
| Movies with Landforms in the Name | 0 | - | 4.16 | 50,461 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,795 |
| Sea in the Answers | 0 | - | 4.10 | 48,991 |
| Boundary Waters | 0 | - | 4.92 | 88,531 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,223 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,216 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,624 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,555 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,519 |
| World Capitals Quiz | 0 | - | 5.00 | 5,080,540 |
| Landlocked Countries | 0 | - | 4.99 | 421,515 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,461 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,775,369 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,095 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,721,282 |
| Geography by Picture - A | 0 | - | 4.39 | 60,301 |
| Geography by Picture - D | 0 | - | 4.15 | 45,692 |
| Geography by Picture - F | 0 | - | 4.31 | 51,052 |
| Geography by Picture - G | 0 | - | 4.39 | 47,982 |
| Geography by Picture - J | 0 | - | 4.16 | 38,496 |
| Geography by Picture - K | 0 | - | 4.29 | 33,161 |
| Geography by Picture - C | 0 | - | 4.31 | 57,114 |
| Geography by Picture - L | 0 | - | 4.37 | 59,023 |
| Geography by Picture - M | 0 | - | 4.14 | 40,492 |
| Geography by Picture - P | 0 | - | 4.24 | 42,466 |
| Geography by Picture - S | 0 | - | 4.38 | 47,074 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,542 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,853 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,808 |
| European Cities by Picture #1 | 0 | - | 4.29 | 27,075 |
| Airline Logos | 0 | - | 4.45 | 140,919 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,608 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,850 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,406 |
| Islands by Picture | 0 | - | 4.28 | 107,166 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,683 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,975 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,341 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,342 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,190 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,379 |
| Capitals by River | 0 | - | 4.55 | 48,337 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,376 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,930 |
| Island Countries | 0 | - | 4.99 | 710,875 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,215 |
| Himalayan Countries | 0 | - | 4.95 | 138,514 |
| Andean Countries | 0 | - | 4.93 | 84,493 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,675 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,664 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,306 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,716 |
| Danube Countries | 0 | - | 4.97 | 71,948 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,947 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,367 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,199 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,664 |
