| Animals by Skeleton Image | 0 | - | 4.81 | 46,993 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,928 |
| Name that Bug | 0 | - | 4.12 | 45,652 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,132 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,042 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,512 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,502 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,657 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,783 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,737 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,093 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,917 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,530 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,367 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,588 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,842 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,736 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,392 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,694 |
| Animals in World History | 0 | - | 4.74 | 44,690 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,231 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,916 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,827 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,202 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,091 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,838 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,520 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,077 |
| Empires by Maps | 0 | - | 4.98 | 122,351 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,752 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,525 |
| Flowers by Picture | 0 | - | 4.46 | 105,884 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,087 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,703 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,015 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,672 |
| All Country Flags of the World | 0 | - | 5.00 | 3,719,589 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,501 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,594 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,357 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,573 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,528 |
| Play-Doh People from History | 0 | - | 4.99 | 95,679 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,688 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,069 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,132 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,211 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,922 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,725 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,825 |
| Name the Cat Flags | 0 | - | 5.00 | 40,622 |
| Extinct Animals | 0 | - | 4.13 | 27,586 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,317 |
| Animals in the News | 0 | - | 4.37 | 26,841 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,293 |
| Megadiverse Countries | 0 | - | 4.96 | 146,337 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,135 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,792 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,750 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,509 |
| Flags with Crescents | 0 | - | 4.98 | 171,544 |
| Country Flag Trivia | 0 | - | 4.82 | 58,196 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,041 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,538 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,752 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,062 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,081 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,116 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,568 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,954 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,487 |
| National Football Team Logos | 0 | - | 4.85 | 182,078 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,323 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,824 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,526 |
| Old World... or New World? | 0 | - | 4.66 | 21,473 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,959 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 19,030 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,192 |
| Countries with Fjords | 0 | - | 4.94 | 101,503 |
| Years in History by Picture | 0 | - | 4.45 | 35,897 |
| Where Are These Doors? | 0 | - | 4.45 | 30,246 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,498 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,905 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,379 |
| Flags to Languages | 0 | - | 4.95 | 174,616 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,087 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,808 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,262 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,809 |
| Fruits by Picture | 0 | - | 4.19 | 809,624 |
| Old Movies by Picture | 0 | - | 4.51 | 25,284 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,330 |
| Name that Object #1 | 0 | - | 3.57 | 96,646 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 340,530 |
| Geography by Picture - B | 0 | - | 4.42 | 55,810 |
| Geography by Picture - H | 0 | - | 4.50 | 58,407 |
| Geography by Picture - N | 0 | - | 4.45 | 42,369 |
| Geography by Picture - R | 0 | - | 4.56 | 41,171 |
| Geography by Picture - T | 0 | - | 4.54 | 58,023 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,573 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,657 |
| Random Logos Quiz | 0 | - | 4.33 | 209,801 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,523 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,673 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,300 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,288 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,829 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,034 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,803 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,358 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,885 |
| Countries with the Most Lakes Over 100 Km² | 0 | - | 4.85 | 32,781 |
| Countries With No Rivers | 0 | - | 4.96 | 77,220 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,086 |
| Rivers in History | 0 | - | 4.92 | 33,501 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,209 |
| North Sea Countries | 0 | - | 4.92 | 87,748 |
| Black Sea Countries | 0 | - | 4.87 | 60,778 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,635 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,728 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,407 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,535 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,300 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,998 |
| Elements by Picture | 0 | - | 4.27 | 70,350 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,530 |
| Islands by Picture | 0 | - | 4.28 | 107,886 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,473 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,753 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,593 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,728 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,232 |
| International Footballers by Picture | 0 | - | 4.51 | 56,514 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,976 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,345 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,588 |
| Geography by Picture - A | 0 | - | 4.39 | 60,459 |
| Geography by Picture - D | 0 | - | 4.15 | 45,807 |
| Geography by Picture - F | 0 | - | 4.31 | 51,210 |
| Geography by Picture - G | 0 | - | 4.39 | 48,101 |
| Geography by Picture - J | 0 | - | 4.16 | 38,619 |
| Geography by Picture - K | 0 | - | 4.29 | 33,270 |
| Geography by Picture - C | 0 | - | 4.31 | 57,258 |
| Geography by Picture - L | 0 | - | 4.37 | 59,155 |
| Geography by Picture - M | 0 | - | 4.14 | 40,599 |
| Geography by Picture - P | 0 | - | 4.24 | 42,586 |
| Geography by Picture - S | 0 | - | 4.38 | 47,195 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,250 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,558 |
| Flag Maths | 0 | - | 4.61 | 57,856 |
| Satellite Images #1 | 0 | - | 4.46 | 130,033 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,732 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,422 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,277 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,247 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,619 |
| Soccer Team Logos | 0 | - | 4.26 | 377,978 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,439,993 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,099 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,176 |
| Movie Logos | 0 | - | 4.33 | 240,619 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,258 |
| History by Picture - A | 0 | - | 4.26 | 46,194 |
| History by Picture - B | 0 | - | 4.40 | 49,391 |
| History by Picture - C | 0 | - | 4.33 | 54,927 |
| History by Picture - F | 0 | - | 4.35 | 38,232 |
| History by Picture - G | 0 | - | 4.40 | 42,474 |
| History by Picture - D | 0 | - | 4.29 | 44,696 |
| History by Picture - E | 0 | - | 4.25 | 44,279 |
| History by Picture - H | 0 | - | 4.37 | 37,121 |
| History by Picture - K | 0 | - | 4.35 | 33,651 |
| History by Picture - M | 0 | - | 4.17 | 36,428 |
| History by Picture - N | 0 | - | 4.40 | 41,563 |
| History by Picture - O | 0 | - | 4.39 | 36,581 |
| History by Picture - T | 0 | - | 4.20 | 33,569 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,838 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,171 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,631 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,501 |
| Animal Adjectives | 0 | - | 4.77 | 60,224 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,403 |
| Bird in the Answers | 0 | - | 4.11 | 33,997 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,250 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,675 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,044 |
| African Great Lakes | 0 | - | 4.82 | 67,050 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,046 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,857 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,872 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,914 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,860 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,966 |
| Name that Object #2 | 0 | - | 3.63 | 15,539 |
| Authors by Picture | 0 | - | 4.48 | 25,641 |
| Name that Object #3 | 0 | - | 3.93 | 14,475 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,024 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,403 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,200 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,438 |
