| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,993 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,050 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,544 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,069 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,545 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,567 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,139 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,140 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,969 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,568 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,387 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,634 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,790 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,542 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,836 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,778 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,892 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,822 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,776 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,776 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,868 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,309 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,756 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,280 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,945 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,806 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,911 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,541 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,226 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,117 |
| Name that Bug | 0 | - | 4.12 | 45,660 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,217 |
| Empires by Maps | 0 | - | 4.98 | 122,565 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,641 |
| Animals of Australia | 0 | - | 4.53 | 42,525 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,746 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,034 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,684 |
| All Country Flags of the World | 0 | - | 5.00 | 3,724,993 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,360 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,510 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,622 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,599 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,402 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,690 |
| Play-Doh People from History | 0 | - | 4.99 | 95,771 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,747 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,130 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,190 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,829 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,284 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,856 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,282 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,148 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,327 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,204 |
| Flags with Crescents | 0 | - | 4.98 | 171,762 |
| Country Flag Trivia | 0 | - | 4.82 | 58,303 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,182 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,640 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,891 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,130 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,175 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,635 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,088 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,937 |
| National Football Team Logos | 0 | - | 4.85 | 182,282 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,828 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,964 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 19,057 |
| Years in History by Picture | 0 | - | 4.45 | 35,941 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,548 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,447 |
| National Animals | 0 | - | 4.24 | 90,262 |
| Flags to Languages | 0 | - | 4.95 | 174,697 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,667 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,147 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,873 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,877 |
| Fruits by Picture | 0 | - | 4.19 | 809,830 |
| Old Movies by Picture | 0 | - | 4.51 | 25,294 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,351 |
| Name that Object #1 | 0 | - | 3.57 | 96,651 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,064 |
| Geography by Picture - B | 0 | - | 4.42 | 55,834 |
| Geography by Picture - H | 0 | - | 4.50 | 58,433 |
| Geography by Picture - N | 0 | - | 4.45 | 42,397 |
| Geography by Picture - R | 0 | - | 4.56 | 41,192 |
| Geography by Picture - T | 0 | - | 4.54 | 58,045 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,659 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,210 |
| Random Logos Quiz | 0 | - | 4.33 | 209,931 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,636 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,698 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,323 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,316 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,849 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,060 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,359 |
| Animals in World History | 0 | - | 4.74 | 44,713 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,901 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,554 |
| Elements by Picture | 0 | - | 4.27 | 70,395 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,550 |
| Islands by Picture | 0 | - | 4.28 | 107,964 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,486 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,627 |
| International Footballers by Picture | 0 | - | 4.51 | 56,611 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,429 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,691 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,782 |
| Geography by Picture - A | 0 | - | 4.39 | 60,490 |
| Geography by Picture - D | 0 | - | 4.15 | 45,828 |
| Geography by Picture - F | 0 | - | 4.31 | 51,233 |
| Geography by Picture - G | 0 | - | 4.39 | 48,123 |
| Geography by Picture - J | 0 | - | 4.16 | 38,635 |
| Geography by Picture - K | 0 | - | 4.29 | 33,293 |
| Geography by Picture - C | 0 | - | 4.31 | 57,283 |
| Geography by Picture - L | 0 | - | 4.37 | 59,183 |
| Geography by Picture - M | 0 | - | 4.14 | 40,620 |
| Geography by Picture - P | 0 | - | 4.24 | 42,605 |
| Geography by Picture - S | 0 | - | 4.38 | 47,212 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,420 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,684 |
| Flag Maths | 0 | - | 4.61 | 57,865 |
| Satellite Images #1 | 0 | - | 4.46 | 130,107 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,852 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,464 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,832 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,307 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,271 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,678 |
| Soccer Team Logos | 0 | - | 4.26 | 378,313 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,441,592 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,322 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,267 |
| Movie Logos | 0 | - | 4.33 | 240,816 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,353 |
| History by Picture - A | 0 | - | 4.26 | 46,226 |
| History by Picture - B | 0 | - | 4.40 | 49,431 |
| History by Picture - C | 0 | - | 4.33 | 54,968 |
| History by Picture - F | 0 | - | 4.35 | 38,263 |
| History by Picture - G | 0 | - | 4.40 | 42,501 |
| History by Picture - D | 0 | - | 4.29 | 44,724 |
| History by Picture - E | 0 | - | 4.25 | 44,309 |
| History by Picture - H | 0 | - | 4.37 | 37,149 |
| History by Picture - K | 0 | - | 4.35 | 33,672 |
| History by Picture - M | 0 | - | 4.17 | 36,451 |
| History by Picture - N | 0 | - | 4.40 | 41,589 |
| History by Picture - O | 0 | - | 4.39 | 36,602 |
| History by Picture - T | 0 | - | 4.20 | 33,599 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,872 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,248 |
| Animal Adjectives | 0 | - | 4.77 | 60,242 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,849 |
| African Great Lakes | 0 | - | 4.82 | 67,126 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,981 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,118 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,928 |
| Flowers by Picture | 0 | - | 4.46 | 105,891 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,031 |
| Name that Object #2 | 0 | - | 3.63 | 15,548 |
| Authors by Picture | 0 | - | 4.48 | 25,653 |
| Name that Object #3 | 0 | - | 3.93 | 14,481 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,121 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,491 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,236 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,490 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,596 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,387 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,871 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 248,928 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,297 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,103 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,299 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,582 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,764 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,673 |
| Emoji Flags | 0 | - | 4.35 | 44,330 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,974 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,296 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,818 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,718 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,105 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,382 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,953 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,668 |
| Airline Logos | 0 | - | 4.45 | 141,577 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,740 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,156 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,678 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,455 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,787 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,351 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,047 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,244 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,689 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,430 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,806 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,312 |
