| Animals by Skeleton Image | 0 | - | 4.81 | 46,877 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,809 |
| Name that Bug | 0 | - | 4.12 | 45,623 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,963 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,974 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,453 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,375 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,195 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,484 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,493 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,022 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,812 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,466 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,321 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,530 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,778 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,587 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,369 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,496 |
| Animals in World History | 0 | - | 4.74 | 44,657 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,062 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,850 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,806 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,140 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,032 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,803 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,463 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,600 |
| Empires by Maps | 0 | - | 4.98 | 121,668 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,732 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,131 |
| Flowers by Picture | 0 | - | 4.46 | 105,835 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,000 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,613 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,985 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,656 |
| All Country Flags of the World | 0 | - | 5.00 | 3,706,599 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,475 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,544 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,346 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,470 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,205 |
| Play-Doh People from History | 0 | - | 4.99 | 95,427 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,506 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,913 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,987 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,005 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,557 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,529 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,016 |
| Name the Cat Flags | 0 | - | 5.00 | 40,542 |
| Extinct Animals | 0 | - | 4.16 | 27,567 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,301 |
| Animals in the News | 0 | - | 4.37 | 26,832 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,230 |
| Megadiverse Countries | 0 | - | 4.96 | 135,220 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,967 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,753 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,666 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,441 |
| Flags with Crescents | 0 | - | 4.98 | 171,135 |
| Country Flag Trivia | 0 | - | 4.81 | 57,874 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,748 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,304 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,411 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,835 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,863 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,933 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,397 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,557 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,552 |
| National Football Team Logos | 0 | - | 4.85 | 181,594 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,310 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,802 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,456 |
| Old World... or New World? | 0 | - | 4.66 | 21,439 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,923 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,985 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,015 |
| Countries with Fjords | 0 | - | 4.94 | 101,266 |
| Years in History by Picture | 0 | - | 4.44 | 35,733 |
| Where Are These Doors? | 0 | - | 4.45 | 30,179 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,337 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,888 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,055 |
| Flags to Languages | 0 | - | 4.95 | 174,397 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,963 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,648 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,176 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,707 |
| Fruits by Picture | 0 | - | 4.19 | 808,955 |
| Old Movies by Picture | 0 | - | 4.51 | 25,237 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,273 |
| Name that Object #1 | 0 | - | 3.57 | 96,590 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,039 |
| Geography by Picture - B | 0 | - | 4.42 | 55,754 |
| Geography by Picture - H | 0 | - | 4.50 | 58,357 |
| Geography by Picture - N | 0 | - | 4.45 | 42,327 |
| Geography by Picture - R | 0 | - | 4.56 | 41,127 |
| Geography by Picture - T | 0 | - | 4.54 | 57,977 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,383 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,425 |
| Random Logos Quiz | 0 | - | 4.33 | 209,256 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 116,159 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,620 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,253 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,228 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,781 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,984 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,661 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,339 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,832 |
| Countries With No Rivers | 0 | - | 4.96 | 77,086 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,936 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,149 |
| North Sea Countries | 0 | - | 4.92 | 87,660 |
| Black Sea Countries | 0 | - | 4.87 | 60,715 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,551 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,645 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,352 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,487 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,237 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,950 |
| Elements by Picture | 0 | - | 4.27 | 70,279 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,500 |
| Islands by Picture | 0 | - | 4.28 | 107,676 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,430 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,574 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,500 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,593 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,183 |
| International Footballers by Picture | 0 | - | 4.51 | 56,308 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,826 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,442 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,136 |
| Geography by Picture - A | 0 | - | 4.39 | 60,408 |
| Geography by Picture - D | 0 | - | 4.15 | 45,768 |
| Geography by Picture - F | 0 | - | 4.31 | 51,150 |
| Geography by Picture - G | 0 | - | 4.39 | 48,061 |
| Geography by Picture - J | 0 | - | 4.16 | 38,573 |
| Geography by Picture - K | 0 | - | 4.29 | 33,230 |
| Geography by Picture - C | 0 | - | 4.31 | 57,213 |
| Geography by Picture - L | 0 | - | 4.37 | 59,111 |
| Geography by Picture - M | 0 | - | 4.14 | 40,562 |
| Geography by Picture - P | 0 | - | 4.24 | 42,544 |
| Geography by Picture - S | 0 | - | 4.38 | 47,164 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,878 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,315 |
| Flag Maths | 0 | - | 4.61 | 57,825 |
| Satellite Images #1 | 0 | - | 4.47 | 129,924 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,615 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,172 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,185 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,173 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,494 |
| Soccer Team Logos | 0 | - | 4.26 | 377,185 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,436,125 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,601 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,844 |
| Movie Logos | 0 | - | 4.33 | 240,110 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,050 |
| History by Picture - A | 0 | - | 4.26 | 46,102 |
| History by Picture - B | 0 | - | 4.40 | 49,293 |
| History by Picture - C | 0 | - | 4.33 | 54,824 |
| History by Picture - F | 0 | - | 4.35 | 38,150 |
| History by Picture - G | 0 | - | 4.40 | 42,387 |
| History by Picture - D | 0 | - | 4.29 | 44,609 |
| History by Picture - E | 0 | - | 4.25 | 44,190 |
| History by Picture - H | 0 | - | 4.37 | 37,037 |
| History by Picture - K | 0 | - | 4.35 | 33,573 |
| History by Picture - M | 0 | - | 4.17 | 36,356 |
| History by Picture - N | 0 | - | 4.40 | 41,490 |
| History by Picture - O | 0 | - | 4.39 | 36,519 |
| History by Picture - T | 0 | - | 4.20 | 33,508 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,607 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,014 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,608 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,490 |
| Animal Adjectives | 0 | - | 4.77 | 60,182 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,331 |
| Bird in the Answers | 0 | - | 4.11 | 33,927 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,235 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,613 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,958 |
| African Great Lakes | 0 | - | 4.82 | 66,893 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,905 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,756 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,751 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,806 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,679 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,935 |
| Name that Object #2 | 0 | - | 3.63 | 15,510 |
| Authors by Picture | 0 | - | 4.48 | 25,620 |
| Name that Object #3 | 0 | - | 3.93 | 14,451 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,798 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,157 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,122 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,299 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,444 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,261 |
