| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,590 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,661 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,557 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,782 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,331 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,024 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,644 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,810 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,605 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,275 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,203 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,355 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,843 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,504 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,315 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,751 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,972 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,294 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,305 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,619 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,698 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,022 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,385 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,362 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,326 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,259 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,659 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,674 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,795 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,842 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,033 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,936 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,302 |
| Name that Bug | 0 | - | 4.12 | 45,588 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,112 |
| Empires by Maps | 0 | - | 4.98 | 120,952 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,790 |
| Commonly Mixed-Up Countries - Multiple Choice | 0 | - | 4.98 | 52,771 |
| Name the Cat Flags | 0 | - | 5.00 | 40,414 |
| Animals of Australia | 0 | - | 4.52 | 42,369 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,449 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,918 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,616 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,351 |
| All Country Flags of the World | 0 | - | 5.00 | 3,680,082 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,418 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,415 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,104 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,325 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,344 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,318 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,706 |
| Play-Doh People from History | 0 | - | 4.99 | 95,062 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,241 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,563 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,695 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,754 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,058 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,297 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,399 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,897 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,859 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,684 |
| Flags with Crescents | 0 | - | 4.98 | 170,103 |
| Country Flag Trivia | 0 | - | 4.81 | 57,352 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,141 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,812 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,793 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,492 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,479 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,681 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,050 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,723 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,810 |
| National Football Team Logos | 0 | - | 4.85 | 180,851 |
| National Animals | 0 | - | 4.24 | 89,767 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,772 |
| Years in History by Picture | 0 | - | 4.44 | 35,605 |
| Where Are These Doors? | 0 | - | 4.45 | 30,077 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,090 |
| Flags to Languages | 0 | - | 4.95 | 173,923 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 72,135 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,775 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,634 |
| Fruits by Picture | 0 | - | 4.19 | 807,988 |
| Old Movies by Picture | 0 | - | 4.51 | 25,149 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,130 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,112 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 49,640 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,127 |
| Geography by Picture - B | 0 | - | 4.42 | 55,675 |
| Geography by Picture - H | 0 | - | 4.50 | 58,281 |
| Geography by Picture - N | 0 | - | 4.45 | 42,250 |
| Geography by Picture - R | 0 | - | 4.56 | 41,070 |
| Geography by Picture - T | 0 | - | 4.54 | 57,900 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,725 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 63,170 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,908 |
| Random Logos Quiz | 0 | - | 4.33 | 208,797 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,566 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,428,670 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,512 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,134 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,083 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,681 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,880 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,315 |
| Animals in World History | 0 | - | 4.74 | 44,577 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,730 |
| African Great Lakes | 0 | - | 4.82 | 66,515 |
| Iceland True or False? | 0 | - | 4.93 | 37,252 |
| England or Wales? | 0 | - | 4.94 | 45,796 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,705 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,419 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,049 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,773 |
| Elements by Picture | 0 | - | 4.27 | 70,080 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,385 |
| Islands by Picture | 0 | - | 4.28 | 107,252 |
| Name that Object #1 | 0 | - | 3.57 | 96,533 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,314 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,766 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,356 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,089 |
| International Footballers by Picture | 0 | - | 4.50 | 55,891 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,067 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,992 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,958 |
| Geography by Picture - A | 0 | - | 4.39 | 60,325 |
| Geography by Picture - D | 0 | - | 4.15 | 45,710 |
| Geography by Picture - F | 0 | - | 4.31 | 51,070 |
| Geography by Picture - G | 0 | - | 4.39 | 48,000 |
| Geography by Picture - J | 0 | - | 4.16 | 38,513 |
| Geography by Picture - K | 0 | - | 4.29 | 33,174 |
| Geography by Picture - C | 0 | - | 4.31 | 57,129 |
| Geography by Picture - L | 0 | - | 4.37 | 59,038 |
| Geography by Picture - M | 0 | - | 4.14 | 40,506 |
| Geography by Picture - P | 0 | - | 4.24 | 42,480 |
| Geography by Picture - S | 0 | - | 4.38 | 47,086 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,992 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 171,962 |
| Flag Maths | 0 | - | 4.64 | 57,792 |
| Satellite Images #1 | 0 | - | 4.47 | 129,485 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,403 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,989 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,009 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,043 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,183 |
| Soccer Team Logos | 0 | - | 4.26 | 375,631 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,656 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,362 |
| Movie Logos | 0 | - | 4.33 | 239,132 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,658 |
| History by Picture - A | 0 | - | 4.26 | 45,932 |
| History by Picture - B | 0 | - | 4.40 | 49,118 |
| History by Picture - C | 0 | - | 4.36 | 54,634 |
| History by Picture - F | 0 | - | 4.35 | 38,001 |
| History by Picture - G | 0 | - | 4.40 | 42,248 |
| History by Picture - D | 0 | - | 4.29 | 44,439 |
| History by Picture - E | 0 | - | 4.25 | 44,054 |
| History by Picture - H | 0 | - | 4.37 | 36,897 |
| History by Picture - K | 0 | - | 4.35 | 33,454 |
| History by Picture - M | 0 | - | 4.17 | 36,234 |
| History by Picture - N | 0 | - | 4.40 | 41,360 |
| History by Picture - O | 0 | - | 4.39 | 36,400 |
| History by Picture - T | 0 | - | 4.20 | 33,395 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,409 |
| Movies by Screenshot | 0 | - | 4.45 | 91,277 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,693 |
| Animal Adjectives | 0 | - | 4.77 | 60,074 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,735 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,817 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,233 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,633 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,762 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,185 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,968 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,514 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,471 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,524 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,470 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,537 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,240 |
| Foods by Picture | 0 | - | 3.81 | 226,275 |
| Flowers by Picture | 0 | - | 4.46 | 105,730 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,487 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,832 |
| Christmas by Picture | 0 | - | 4.26 | 28,201 |
| Name that Object #2 | 0 | - | 3.64 | 15,468 |
| Hats by Picture | 0 | - | 4.21 | 17,987 |
| Weapons by Picture | 0 | - | 4.13 | 21,100 |
| Cars by Picture | 0 | - | 3.89 | 41,618 |
| Authors by Picture | 0 | - | 4.48 | 25,561 |
| Plants by Picture | 0 | - | 4.24 | 14,479 |
| Name that Object #3 | 0 | - | 3.93 | 14,425 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,341 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,947 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,013 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,179 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,023 |
