| Pick a Picture - Animal Relations | 0 | - | 4.94 | 56,002 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,066 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,572 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,075 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,588 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,148 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,150 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,994 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,576 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,392 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,643 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,801 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,550 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,839 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,794 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,918 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,839 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,780 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,318 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,788 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,880 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,952 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,771 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,287 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,809 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,915 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,237 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,125 |
| Top 15 Countries with the Most Cows | 0 | - | 4.72 | 107,549 |
| Name that Bug | 0 | - | 4.12 | 45,661 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,251 |
| Empires by Maps | 0 | - | 4.98 | 122,617 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,674 |
| Animals of Australia | 0 | - | 4.53 | 42,531 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,760 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,041 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,689 |
| All Country Flags of the World | 0 | - | 5.00 | 3,726,525 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,512 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,638 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,360 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,609 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,403 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,719 |
| Play-Doh People from History | 0 | - | 4.99 | 95,798 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,763 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,157 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,213 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,851 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,307 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,088 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,411 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,227 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,336 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,218 |
| Flags with Crescents | 0 | - | 4.98 | 171,803 |
| Country Flag Trivia | 0 | - | 4.82 | 58,337 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,206 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,659 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,937 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,149 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,200 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,211 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,659 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,131 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 185,043 |
| National Football Team Logos | 0 | - | 4.85 | 183,036 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 19,064 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,830 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,969 |
| Years in History by Picture | 0 | - | 4.45 | 35,950 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,563 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,470 |
| National Animals | 0 | - | 4.24 | 90,270 |
| Flags to Languages | 0 | - | 4.95 | 174,719 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,681 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,154 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,883 |
| Fruits by Picture | 0 | - | 4.19 | 809,896 |
| Old Movies by Picture | 0 | - | 4.51 | 25,297 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,355 |
| Name that Object #1 | 0 | - | 3.57 | 96,654 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,134 |
| Geography by Picture - B | 0 | - | 4.42 | 55,840 |
| Geography by Picture - H | 0 | - | 4.50 | 58,441 |
| Geography by Picture - N | 0 | - | 4.45 | 42,405 |
| Geography by Picture - R | 0 | - | 4.56 | 41,203 |
| Geography by Picture - T | 0 | - | 4.54 | 58,058 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,678 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,348 |
| Random Logos Quiz | 0 | - | 4.33 | 209,975 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,688 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,702 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,330 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,321 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,855 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,064 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,899 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,360 |
| Animals in World History | 0 | - | 4.74 | 44,722 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,910 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,564 |
| Elements by Picture | 0 | - | 4.27 | 70,406 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,556 |
| Islands by Picture | 0 | - | 4.28 | 107,985 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,490 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,637 |
| International Footballers by Picture | 0 | - | 4.51 | 56,655 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,497 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,720 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,800 |
| Geography by Picture - A | 0 | - | 4.39 | 60,499 |
| Geography by Picture - D | 0 | - | 4.15 | 45,833 |
| Geography by Picture - F | 0 | - | 4.31 | 51,240 |
| Geography by Picture - G | 0 | - | 4.39 | 48,131 |
| Geography by Picture - J | 0 | - | 4.16 | 38,643 |
| Geography by Picture - K | 0 | - | 4.29 | 33,301 |
| Geography by Picture - C | 0 | - | 4.31 | 57,294 |
| Geography by Picture - L | 0 | - | 4.37 | 59,191 |
| Geography by Picture - M | 0 | - | 4.14 | 40,633 |
| Geography by Picture - P | 0 | - | 4.24 | 42,615 |
| Geography by Picture - S | 0 | - | 4.38 | 47,221 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,458 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,724 |
| Flag Maths | 0 | - | 4.61 | 57,869 |
| Satellite Images #1 | 0 | - | 4.46 | 130,137 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,994 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,487 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,833 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,326 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,289 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,699 |
| Soccer Team Logos | 0 | - | 4.26 | 378,424 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,441,972 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,377 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,309 |
| Movie Logos | 0 | - | 4.33 | 240,860 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,366 |
| History by Picture - A | 0 | - | 4.26 | 46,237 |
| History by Picture - B | 0 | - | 4.40 | 49,439 |
| History by Picture - C | 0 | - | 4.33 | 54,981 |
| History by Picture - F | 0 | - | 4.35 | 38,273 |
| History by Picture - G | 0 | - | 4.40 | 42,507 |
| History by Picture - D | 0 | - | 4.29 | 44,734 |
| History by Picture - E | 0 | - | 4.25 | 44,319 |
| History by Picture - H | 0 | - | 4.37 | 37,155 |
| History by Picture - K | 0 | - | 4.35 | 33,679 |
| History by Picture - M | 0 | - | 4.17 | 36,459 |
| History by Picture - N | 0 | - | 4.40 | 41,595 |
| History by Picture - O | 0 | - | 4.39 | 36,610 |
| History by Picture - T | 0 | - | 4.20 | 33,604 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,881 |
| Baby, Male and Female Animals | 0 | - | 4.41 | 151,268 |
| Animal Adjectives | 0 | - | 4.77 | 60,246 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,855 |
| African Great Lakes | 0 | - | 4.82 | 67,145 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 120,000 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,132 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,951 |
| Flowers by Picture | 0 | - | 4.46 | 105,895 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,033 |
| Name that Object #2 | 0 | - | 3.63 | 15,551 |
| Authors by Picture | 0 | - | 4.48 | 25,657 |
| Name that Object #3 | 0 | - | 3.93 | 14,484 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,154 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,512 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,246 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,507 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,609 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,400 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,878 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 249,123 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,337 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,131 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,331 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,605 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,785 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,687 |
| Emoji Flags | 0 | - | 4.35 | 44,336 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,019 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,302 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,833 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,743 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,122 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,399 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,956 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,726 |
| Airline Logos | 0 | - | 4.45 | 141,594 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,769 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,195 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,694 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,475 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,808 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,366 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,062 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,258 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,694 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,435 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,807 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,316 |
