| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,792 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,942 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,524 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,203 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,894 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,067 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,566 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,281 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,389 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,046 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,858 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,744 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,881 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,831 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,176 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,359 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,222 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,986 |
| Animals in World History | 0 | - | 4.74 | 44,201 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,444 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,466 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,581 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,599 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,589 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,499 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,764 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,406 |
| Empires by Maps | 0 | - | 4.98 | 118,286 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,385 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,352 |
| Flowers by Picture | 0 | - | 4.46 | 104,996 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,071 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,604 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,604 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| All Country Flags of the World | 0 | - | 5.00 | 3,597,591 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,196 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,955 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,251 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,971 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,674 |
| Play-Doh People from History | 0 | - | 4.99 | 93,772 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,257 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,695 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 48,853 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,982 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,430 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,979 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,360 |
| Name the Cat Flags | 0 | - | 5.00 | 40,024 |
| Extinct Animals | 0 | - | 4.18 | 27,396 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,208 |
| Animals in the News | 0 | - | 4.37 | 26,710 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,649 |
| Megadiverse Countries | 0 | - | 4.97 | 133,852 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,755 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,919 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,816 |
| Flags with Crescents | 0 | - | 4.98 | 167,398 |
| Country Flag Trivia | 0 | - | 4.81 | 55,846 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,311 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,395 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,813 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,384 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,318 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 59,856 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,967 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,438 |
| National Football Team Logos | 0 | - | 4.84 | 178,522 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,592 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,191 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Old World... or New World? | 0 | - | 4.66 | 21,195 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,666 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,351 |
| Countries with Fjords | 0 | - | 4.93 | 100,172 |
| Years in History by Picture | 0 | - | 4.44 | 35,071 |
| Where Are These Doors? | 0 | - | 4.45 | 29,560 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,165 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,735 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,694 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,433 |
| Flags to Languages | 0 | - | 4.95 | 172,404 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,143 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,296 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,254 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,205 |
| Fruits by Picture | 0 | - | 4.20 | 804,443 |
| Old Movies by Picture | 0 | - | 4.51 | 24,777 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,643 |
| Name that Object #1 | 0 | - | 3.56 | 96,284 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,342 |
| Geography by Picture - B | 0 | - | 4.42 | 55,395 |
| Geography by Picture - H | 0 | - | 4.49 | 58,029 |
| Geography by Picture - N | 0 | - | 4.45 | 42,038 |
| Geography by Picture - R | 0 | - | 4.55 | 40,870 |
| Geography by Picture - T | 0 | - | 4.54 | 57,663 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,389 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,538 |
| Random Logos Quiz | 0 | - | 4.32 | 206,933 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,086 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,106 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,699 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,594 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,285 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,505 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,252 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,271 |
| Countries With No Rivers | 0 | - | 4.96 | 76,004 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,204 |
| Rivers in History | 0 | - | 4.91 | 32,907 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,732 |
| North Sea Countries | 0 | - | 4.92 | 86,579 |
| Black Sea Countries | 0 | - | 4.87 | 60,318 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,000 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,089 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,938 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,174 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,598 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,384 |
| Elements by Picture | 0 | - | 4.28 | 69,514 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,146 |
| Islands by Picture | 0 | - | 4.29 | 105,809 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,018 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,418 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,803 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,458 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,747 |
| International Footballers by Picture | 0 | - | 4.50 | 54,650 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,453 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,545 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,261 |
| Geography by Picture - A | 0 | - | 4.39 | 60,038 |
| Geography by Picture - D | 0 | - | 4.15 | 45,475 |
| Geography by Picture - F | 0 | - | 4.31 | 50,816 |
| Geography by Picture - G | 0 | - | 4.38 | 47,778 |
| Geography by Picture - J | 0 | - | 4.16 | 38,329 |
| Geography by Picture - K | 0 | - | 4.28 | 33,006 |
| Geography by Picture - C | 0 | - | 4.31 | 56,896 |
| Geography by Picture - L | 0 | - | 4.37 | 58,736 |
| Geography by Picture - M | 0 | - | 4.14 | 40,338 |
| Geography by Picture - P | 0 | - | 4.24 | 42,293 |
| Geography by Picture - S | 0 | - | 4.38 | 46,901 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,197 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,372 |
| Flag Maths | 0 | - | 4.78 | 57,668 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,981 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,964 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,629 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,631 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,793 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,314 |
| Soccer Team Logos | 0 | - | 4.26 | 370,475 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,400,323 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,906 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,042 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,532 |
| Movie Logos | 0 | - | 4.33 | 235,646 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,687 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,134 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,177 |
| History by Picture - A | 0 | - | 4.25 | 45,439 |
| History by Picture - B | 0 | - | 4.40 | 48,547 |
| History by Picture - C | 0 | - | 4.36 | 54,054 |
| History by Picture - F | 0 | - | 4.35 | 37,562 |
| History by Picture - G | 0 | - | 4.40 | 41,820 |
| History by Picture - D | 0 | - | 4.29 | 43,985 |
| History by Picture - E | 0 | - | 4.27 | 43,603 |
| History by Picture - H | 0 | - | 4.37 | 36,518 |
| History by Picture - K | 0 | - | 4.35 | 33,084 |
| History by Picture - M | 0 | - | 4.17 | 35,893 |
| History by Picture - N | 0 | - | 4.40 | 40,971 |
| History by Picture - O | 0 | - | 4.39 | 36,008 |
| History by Picture - T | 0 | - | 4.20 | 33,069 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,809 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,571 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,375 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,346 |
| Animal Adjectives | 0 | - | 4.77 | 59,816 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,086 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,538 |
| Bird in the Answers | 0 | - | 4.10 | 33,246 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,093 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,327 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,200 |
| African Great Lakes | 0 | - | 4.82 | 65,078 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,659 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,862 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,424 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,601 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,827 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,523 |
| Name that Object #2 | 0 | - | 3.64 | 15,314 |
| Authors by Picture | 0 | - | 4.48 | 25,388 |
| Name that Object #3 | 0 | - | 3.93 | 14,296 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,391 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,460 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,998 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,126 |
