| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,050 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,579 |
| Name that Bug | 0 | - | 4.12 | 45,492 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,143 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,247 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,397 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,035 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,371 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,967 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,590 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,650 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,267 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,109 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,900 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,002 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,017 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,334 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,690 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,250 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,384 |
| Animals in World History | 0 | - | 4.74 | 44,320 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,816 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,631 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,746 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,705 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,585 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,842 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,017 |
| Empires by Maps | 0 | - | 4.98 | 119,137 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,469 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,761 |
| Flowers by Picture | 0 | - | 4.46 | 105,109 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,321 |
| Countries with More Cows than People | 0 | - | 4.45 | 60,820 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,717 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,528 |
| All Country Flags of the World | 0 | - | 5.00 | 3,623,246 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,282 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,102 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,269 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,087 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,255 |
| Play-Doh People from History | 0 | - | 4.99 | 94,192 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,555 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,944 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,138 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,209 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,167 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,219 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,973 |
| Name the Cat Flags | 0 | - | 5.00 | 40,149 |
| Extinct Animals | 0 | - | 4.19 | 27,441 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,225 |
| Animals in the News | 0 | - | 4.37 | 26,746 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,799 |
| Megadiverse Countries | 0 | - | 4.96 | 134,496 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,066 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,113 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,971 |
| Flags with Crescents | 0 | - | 4.98 | 168,208 |
| Country Flag Trivia | 0 | - | 4.81 | 56,255 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,817 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,773 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,366 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,731 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,630 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,098 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,304 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,089 |
| National Football Team Logos | 0 | - | 4.85 | 179,353 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,694 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,216 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,714 |
| Old World... or New World? | 0 | - | 4.66 | 21,253 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,736 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,469 |
| Countries with Fjords | 0 | - | 4.93 | 100,400 |
| Years in History by Picture | 0 | - | 4.44 | 35,265 |
| Where Are These Doors? | 0 | - | 4.45 | 29,690 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,463 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,776 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,030 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,503 |
| Flags to Languages | 0 | - | 4.95 | 172,898 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,181 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,625 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,620 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,544 |
| Fruits by Picture | 0 | - | 4.20 | 805,585 |
| Old Movies by Picture | 0 | - | 4.51 | 24,925 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,798 |
| Name that Object #1 | 0 | - | 3.56 | 96,349 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,291 |
| Geography by Picture - B | 0 | - | 4.42 | 55,481 |
| Geography by Picture - H | 0 | - | 4.50 | 58,097 |
| Geography by Picture - N | 0 | - | 4.45 | 42,095 |
| Geography by Picture - R | 0 | - | 4.56 | 40,922 |
| Geography by Picture - T | 0 | - | 4.54 | 57,733 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,657 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 534,806 |
| Random Logos Quiz | 0 | - | 4.31 | 207,515 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,943 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,229 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,834 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,719 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,409 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,626 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,272 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,393 |
| Countries With No Rivers | 0 | - | 4.96 | 76,165 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,443 |
| Rivers in History | 0 | - | 4.91 | 33,014 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,801 |
| North Sea Countries | 0 | - | 4.92 | 86,731 |
| Black Sea Countries | 0 | - | 4.87 | 60,398 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,112 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,196 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,013 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,233 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,734 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,499 |
| Elements by Picture | 0 | - | 4.28 | 69,697 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,218 |
| Islands by Picture | 0 | - | 4.29 | 106,277 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,138 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,114 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,973 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,736 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,853 |
| International Footballers by Picture | 0 | - | 4.50 | 55,065 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,438 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,050 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,524 |
| Geography by Picture - A | 0 | - | 4.39 | 60,112 |
| Geography by Picture - D | 0 | - | 4.15 | 45,548 |
| Geography by Picture - F | 0 | - | 4.31 | 50,880 |
| Geography by Picture - G | 0 | - | 4.38 | 47,852 |
| Geography by Picture - J | 0 | - | 4.16 | 38,372 |
| Geography by Picture - K | 0 | - | 4.29 | 33,045 |
| Geography by Picture - C | 0 | - | 4.31 | 56,976 |
| Geography by Picture - L | 0 | - | 4.37 | 58,829 |
| Geography by Picture - M | 0 | - | 4.14 | 40,372 |
| Geography by Picture - P | 0 | - | 4.24 | 42,342 |
| Geography by Picture - S | 0 | - | 4.38 | 46,957 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,123 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,865 |
| Flag Maths | 0 | - | 4.69 | 57,699 |
| Satellite Images #1 | 0 | - | 4.46 | 129,144 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,108 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,750 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,746 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,869 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,588 |
| Soccer Team Logos | 0 | - | 4.26 | 372,219 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,409,482 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,726 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,308 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,150 |
| Movie Logos | 0 | - | 4.33 | 236,802 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,142 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,665 |
| History by Picture - A | 0 | - | 4.25 | 45,605 |
| History by Picture - B | 0 | - | 4.40 | 48,739 |
| History by Picture - C | 0 | - | 4.36 | 54,249 |
| History by Picture - F | 0 | - | 4.35 | 37,719 |
| History by Picture - G | 0 | - | 4.40 | 41,976 |
| History by Picture - D | 0 | - | 4.29 | 44,138 |
| History by Picture - E | 0 | - | 4.27 | 43,760 |
| History by Picture - H | 0 | - | 4.37 | 36,654 |
| History by Picture - K | 0 | - | 4.35 | 33,211 |
| History by Picture - M | 0 | - | 4.17 | 36,011 |
| History by Picture - N | 0 | - | 4.40 | 41,098 |
| History by Picture - O | 0 | - | 4.39 | 36,155 |
| History by Picture - T | 0 | - | 4.20 | 33,189 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,997 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,925 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,444 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,393 |
| Animal Adjectives | 0 | - | 4.77 | 59,900 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,167 |
| Animals: No Vowels #1 | 0 | - | 4.55 | 63,782 |
| Bird in the Answers | 0 | - | 4.10 | 33,392 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,131 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,374 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,384 |
| African Great Lakes | 0 | - | 4.82 | 65,592 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,967 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,086 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,684 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,927 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,303 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,607 |
| Name that Object #2 | 0 | - | 3.64 | 15,355 |
| Authors by Picture | 0 | - | 4.48 | 25,449 |
| Name that Object #3 | 0 | - | 3.93 | 14,326 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,753 |
| WWII Figures by Picture | 0 | - | 4.85 | 61,353 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,356 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,404 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,582 |
