| Animals by Close-up Image | 0 | - | 4.41 | 204,573 |
| Mammals by Picture #3 | 0 | - | 4.42 | 55,907 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 39,921 |
| Mammals by Picture #1 | 0 | - | 4.76 | 82,873 |
| Birds by Picture #1 | 0 | - | 4.45 | 34,993 |
| Animals A-Z by Picture | 0 | - | 4.14 | 59,868 |
| Extinct Animals by Picture | 0 | - | 4.47 | 31,014 |
| Mammals by Picture #2 | 0 | - | 4.27 | 53,095 |
| Fish by Picture #1 | 0 | - | 4.39 | 102,763 |
| Animals by Skeleton Image | 0 | - | 4.79 | 38,942 |
| Mammals by Picture #4 | 0 | - | 4.03 | 30,823 |
| Sea Creatures by Picture | 0 | - | 4.26 | 16,179 |
| Countries with Wild Tigers | 0 | - | 4.95 | 111,931 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,902 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 79,270 |
| Birds by Picture #2 | 0 | - | 4.30 | 30,908 |
| Fish by Picture #2 | 0 | - | 4.06 | 16,451 |
| Birds by Picture #3 | 0 | - | 4.19 | 28,713 |
| Countries with the Most Sheep | 0 | - | 4.88 | 82,865 |
| Countries With Two or More Bear Species | 0 | - | 4.89 | 18,954 |
| Countries With The Most Bird Species | 0 | - | 4.87 | 19,980 |
| Countries with the Most Wolves | 0 | - | 4.88 | 79,363 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 102,001 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 23,588 |
| Top 15 Countries with the Most Cows | 0 | - | 4.66 | 89,679 |
| Countries with the Most Wild Elephants | 0 | - | 4.58 | 51,129 |
| Animal Populations of Countries | 0 | - | 4.50 | 40,413 |
| Name that Bug | 0 | - | 4.11 | 44,063 |
| Former Countries by Territory Map | 0 | - | 4.97 | 86,744 |
| Empires by Maps | 0 | - | 4.98 | 96,008 |
| Australian Animals By Picture | 0 | - | 4.44 | 29,390 |
| Animals of Australia | 0 | - | 4.51 | 39,994 |
| Countries with More Cows than People | 0 | - | 4.42 | 47,879 |
| North American Bird-Named Teams | 0 | - | 4.41 | 65,306 |
| Countries with NO Snakes | 0 | - | 4.52 | 62,353 |
| "Big Five" African Game Animals | 0 | - | 4.20 | 45,631 |
| Countries with Wild Lions | 0 | - | 4.75 | 21,613 |
| Where Do Musk Oxen Live? | 0 | - | 4.64 | 14,633 |
| Islands by Shape #2 | 0 | - | 4.86 | 45,168 |
| Reptile Picture Quiz | 0 | - | 4.27 | 13,174 |
| Dog Breed Picture Quiz | 0 | - | 4.33 | 196,503 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,377 |
| All Country Flags of the World | 0 | - | 5.00 | 3,015,051 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,378,785 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,009,273 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 676,319 |
| Animals in World History | 0 | - | 4.82 | 40,536 |
| Top 10 Countries with the Most Horses | 0 | - | 4.51 | 64,758 |
| Make a Stained Glass Window | 0 | - | 4.99 | 59,621 |
| Flags with Crescents | 0 | - | 4.98 | 145,027 |
| Country Flag Trivia | 0 | - | 4.81 | 44,650 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 77,127 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 56,934 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 68,822 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 55,882 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.87 | 64,232 |
| Flag Maths | 0 | - | 4.92 | 50,547 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.85 | 42,595 |
| National Soccer Team Logos | 0 | - | 4.84 | 157,401 |
| Largest Land Animals of Africa | 0 | - | 4.34 | 11,681 |
| Top Countries for Shark Attacks | 0 | - | 4.49 | 43,860 |
| Famous Foreheads #1 | 0 | - | 4.49 | 66,994 |
| National Animals | 0 | - | 4.27 | 84,159 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.95 | 41,745 |
| Flags to Languages | 0 | - | 4.95 | 159,755 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 63,794 |
| Fruits by Picture | 0 | - | 4.19 | 738,955 |
| Old Movies by Picture | 0 | - | 4.50 | 21,785 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 43,209 |
| Name that Object #1 | 0 | - | 3.57 | 94,996 |
| Years in History by Picture | 0 | - | 4.43 | 30,343 |
| Classic Movies by Movie Posters | 0 | - | 4.43 | 21,547 |
| Geography by Picture - H | 0 | - | 4.52 | 55,395 |
| Geography by Picture - N | 0 | - | 4.46 | 39,751 |
| Geography by Picture - R | 0 | - | 4.54 | 38,776 |
| Geography by Picture - T | 0 | - | 4.63 | 55,006 |
| Name the Pixelated Landmark | 0 | - | 4.82 | 55,614 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 474,169 |
| Random Logos Quiz | 0 | - | 4.33 | 190,874 |
| All North American Pro Sports Logos | 0 | - | 4.74 | 96,047 |
| Pictures by Letter - J | 0 | - | 4.27 | 36,284 |
| Pictures by Letter - B | 0 | - | 4.31 | 39,700 |
| Pictures by Letter - D | 0 | - | 4.11 | 34,014 |
| Pictures by Letter - M | 0 | - | 4.24 | 34,469 |
| History by Picture - N | 0 | - | 4.41 | 36,796 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 7,698 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,490 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,689 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.18 | 53,499 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.20 | 46,854 |
| Elements by Picture | 0 | - | 4.29 | 63,916 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 27,256 |
| Islands by Picture | 0 | - | 4.31 | 93,039 |
| 1940s Celebrities by Picture | 0 | - | 4.46 | 44,469 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 296,756 |
| Name that Historical Figure #2 | 0 | - | 4.44 | 250,001 |
| Name that Historical Figure #5 | 0 | - | 4.41 | 92,189 |
| Geography by Picture - A | 0 | - | 4.35 | 57,105 |
| Geography by Picture - B | 0 | - | 4.36 | 52,620 |
| Geography by Picture - D | 0 | - | 4.10 | 43,334 |
| Geography by Picture - F | 0 | - | 4.25 | 48,460 |
| Geography by Picture - G | 0 | - | 4.39 | 45,517 |
| Geography by Picture - J | 0 | - | 4.14 | 36,499 |
| Geography by Picture - C | 0 | - | 4.28 | 54,390 |
| Geography by Picture - L | 0 | - | 4.34 | 56,028 |
| Geography by Picture - M | 0 | - | 4.11 | 38,496 |
| Geography by Picture - P | 0 | - | 4.28 | 40,291 |
| Geography by Picture - S | 0 | - | 4.35 | 44,736 |
| Random Flags Quiz | 0 | - | 4.41 | 257,794 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 115,825 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,281 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,184 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 84,807 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.29 | 18,326 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,069 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 35,859 |
| Cities by Picture #1 | 0 | - | 4.66 | 77,756 |
| Soccer Team Logos | 0 | - | 4.22 | 331,721 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,138,287 |
| Ultimate Car Logos Quiz | 0 | - | 4.71 | 128,865 |
| Video Game Logos Quiz | 0 | - | 4.37 | 152,578 |
| Movie Logos | 0 | - | 4.29 | 201,611 |
| Brand Logos That Start With M | 0 | - | 4.42 | 49,799 |
| Brand Logos That Start With B | 0 | - | 4.47 | 49,224 |
| Brand Logos That Start with A | 0 | - | 4.52 | 57,248 |
| History by Picture - A | 0 | - | 4.23 | 40,816 |
| History by Picture - B | 0 | - | 4.36 | 43,567 |
| History by Picture - C | 0 | - | 4.35 | 48,706 |
| History by Picture - F | 0 | - | 4.33 | 33,510 |
| History by Picture - G | 0 | - | 4.39 | 37,715 |
| History by Picture - D | 0 | - | 4.32 | 39,461 |
| History by Picture - E | 0 | - | 4.28 | 39,317 |
| History by Picture - H | 0 | - | 4.38 | 32,629 |
| History by Picture - K | 0 | - | 4.41 | 29,709 |
| History by Picture - M | 0 | - | 4.23 | 32,477 |
| History by Picture - O | 0 | - | 4.37 | 32,347 |
| Name that Nut, Seed, or Bean | 0 | - | 4.65 | 50,743 |
| Baby, Male and Female Animals | 0 | - | 4.41 | 138,922 |
| Animal Adjectives | 0 | - | 4.76 | 56,912 |
| African Great Lakes | 0 | - | 4.85 | 54,190 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 97,124 |
| Art Works Picture Quiz #2 | 0 | - | 4.46 | 86,583 |
| Musical Instruments by Picture #1 | 0 | - | 4.54 | 256,620 |
| Shapes and Symbols #2 | 0 | - | 4.02 | 55,687 |
| Flowers by Picture | 0 | - | 4.46 | 101,569 |
| Name that Object #2 | 0 | - | 3.65 | 14,371 |
| Authors by Picture | 0 | - | 4.47 | 23,805 |
| Name that Object #3 | 0 | - | 4.00 | 13,283 |
| WWII Figures by Picture | 0 | - | 4.88 | 41,198 |
| College Sports Logos Quiz #3 | 0 | - | 4.33 | 47,124 |
| Planets By Picture Quiz | 0 | - | 4.55 | 49,039 |
| Songs by Picture Quiz #1 | 0 | - | 4.66 | 57,793 |
| Songs by Picture Quiz #2 | 0 | - | 4.43 | 52,087 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.25 | 65,054 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.23 | 47,226 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.22 | 47,796 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.15 | 65,554 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.01 | 56,803 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.12 | 73,433 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.11 | 65,723 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.13 | 85,447 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.28 | 43,023 |
| International Footballers by Picture | 0 | - | 4.40 | 45,478 |
| Name that Historical Figure #3 | 0 | - | 4.40 | 216,053 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 141,552 |
| Name that Historical Figure #6 | 0 | - | 4.22 | 79,971 |
| Musicians by Picture #1 | 0 | - | 4.37 | 88,185 |
| Musicians by Picture #2 | 0 | - | 4.26 | 61,604 |
| Musicians by Picture #4 | 0 | - | 4.06 | 53,931 |
| Musicians by Picture #3 | 0 | - | 4.11 | 50,575 |
| Emoji Flags | 0 | - | 4.34 | 40,893 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 152,304 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,530 |
| Satellite Images - Island Chains | 0 | - | 4.42 | 58,174 |
| Islands by Satellite Image #1 | 0 | - | 4.71 | 62,883 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 26,060 |
| Landmarks Picture Quiz #1 | 0 | - | 4.20 | 362,009 |
| Airline Logos | 0 | - | 4.43 | 128,953 |
| Car Logos Quiz #2 | 0 | - | 4.39 | 216,698 |
| Mostly-American Candy Logos | 0 | - | 4.11 | 139,440 |
| Brand Logos That Start With S | 0 | - | 4.37 | 45,938 |
| Brand Logos That Start With D | 0 | - | 4.35 | 50,496 |
| Brand Logos That Start With L | 0 | - | 4.36 | 48,524 |
| Brand Logos That Start With C | 0 | - | 4.14 | 41,255 |
| Pictures by Letter - A | 0 | - | 4.08 | 30,169 |
| Pictures by Letter - E | 0 | - | 3.49 | 31,879 |
| Pictures by Letter - C | 0 | - | 4.06 | 27,311 |
| Pictures by Letter - G | 0 | - | 4.07 | 25,233 |
| Pictures by Letter - L | 0 | - | 4.12 | 27,687 |
| Pictures by Letter - F | 0 | - | 4.18 | 26,012 |
| Pictures by Letter - Z | 0 | - | 4.17 | 21,292 |
| Pictures by Letter - Y | 0 | - | 4.19 | 23,893 |
| Pictures by Letter - R | 0 | - | 4.10 | 22,391 |
| Pictures by Letter - K | 0 | - | 4.14 | 22,616 |
| Pictures by Letter - I | 0 | - | 4.15 | 27,422 |
| Pictures by Letter - N | 0 | - | 4.11 | 22,017 |
| Pictures by Letter - P | 0 | - | 4.06 | 23,671 |
| Pictures by Letter - U | 0 | - | 4.09 | 18,634 |
| Pictures by Letter - T | 0 | - | 4.34 | 25,047 |
| Vegetables by Picture | 0 | - | 4.32 | 54,339 |
