| Mammals by Picture #3 | 0 | - | 4.41 | 54,915 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 39,091 |
| Mammals by Picture #1 | 0 | - | 4.76 | 81,352 |
| Birds by Picture #1 | 0 | - | 4.44 | 33,629 |
| Animals by Close-up Image | 0 | - | 4.40 | 202,511 |
| Animals A-Z by Picture | 0 | - | 4.14 | 58,675 |
| Extinct Animals by Picture | 0 | - | 4.46 | 30,402 |
| Mammals by Picture #2 | 0 | - | 4.30 | 52,161 |
| Fish by Picture #1 | 0 | - | 4.39 | 101,762 |
| Animals by Skeleton Image | 0 | - | 4.79 | 37,819 |
| Mammals by Picture #4 | 0 | - | 4.03 | 30,379 |
| Sea Creatures by Picture | 0 | - | 4.26 | 15,982 |
| Countries with Wild Tigers | 0 | - | 4.95 | 110,316 |
| Countries with Wild Penguins | 0 | - | 4.93 | 89,682 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 78,125 |
| Birds by Picture #2 | 0 | - | 4.27 | 29,832 |
| Fish by Picture #2 | 0 | - | 4.06 | 16,116 |
| Birds by Picture #3 | 0 | - | 4.16 | 27,703 |
| Countries with the Most Sheep | 0 | - | 4.89 | 82,191 |
| Countries With The Most Bird Species | 0 | - | 4.91 | 19,085 |
| Countries With Two or More Bear Species | 0 | - | 4.89 | 18,580 |
| Countries with the Most Wolves | 0 | - | 4.88 | 78,131 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 100,434 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.54 | 23,372 |
| Top 15 Countries with the Most Cows | 0 | - | 4.66 | 89,142 |
| Countries with the Most Wild Elephants | 0 | - | 4.58 | 50,495 |
| Animal Populations of Countries | 0 | - | 4.50 | 39,860 |
| Name that Bug | 0 | - | 4.11 | 43,927 |
| Former Countries by Territory Map | 0 | - | 4.96 | 84,739 |
| Empires by Maps | 0 | - | 4.98 | 92,623 |
| Australian Animals By Picture | 0 | - | 4.44 | 29,006 |
| Animals of Australia | 0 | - | 4.51 | 39,646 |
| Countries with More Cows than People | 0 | - | 4.41 | 47,418 |
| North American Bird-Named Teams | 0 | - | 4.41 | 64,884 |
| Countries with NO Snakes | 0 | - | 4.56 | 62,162 |
| Where Do Musk Oxen Live? | 0 | - | 4.64 | 14,532 |
| "Big Five" African Game Animals | 0 | - | 4.20 | 45,516 |
| Countries with Wild Lions | 0 | - | 4.72 | 20,616 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,761 |
| Reptile Picture Quiz | 0 | - | 4.26 | 13,035 |
| Dog Breed Picture Quiz | 0 | - | 4.32 | 194,839 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,164 |
| All Country Flags of the World | 0 | - | 5.00 | 2,919,392 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,349,718 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 994,171 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 666,192 |
| Top 10 Countries with the Most Horses | 0 | - | 4.51 | 64,023 |
| Make a Stained Glass Window | 0 | - | 4.99 | 58,302 |
| Flags with Crescents | 0 | - | 4.98 | 141,494 |
| Country Flag Trivia | 0 | - | 4.87 | 42,795 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 74,626 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 55,036 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 66,495 |
| Flag Maths | 0 | - | 4.92 | 49,258 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 41,065 |
| National Soccer Team Logos | 0 | - | 4.82 | 153,021 |
| Largest Land Animals of Africa | 0 | - | 4.34 | 11,577 |
| Top Countries for Shark Attacks | 0 | - | 4.49 | 43,607 |
| Famous Foreheads #1 | 0 | - | 4.49 | 65,713 |
| National Animals | 0 | - | 4.28 | 83,132 |
| Flags to Languages | 0 | - | 4.95 | 134,347 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 62,287 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 39,962 |
| Fruits by Picture | 0 | - | 4.19 | 728,379 |
| Old Movies by Picture | 0 | - | 4.50 | 21,323 |
| Musical Instruments by Picture #2 | 0 | - | 4.23 | 42,494 |
| Name that Object #1 | 0 | - | 3.55 | 94,843 |
| Years in History by Picture | 0 | - | 4.43 | 29,697 |
| Classic Movies by Movie Posters | 0 | - | 4.43 | 21,161 |
| Geography by Picture - G | 0 | - | 4.41 | 45,069 |
| Geography by Picture - H | 0 | - | 4.52 | 54,826 |
| Geography by Picture - N | 0 | - | 4.46 | 39,284 |
| Geography by Picture - R | 0 | - | 4.55 | 38,333 |
| Geography by Picture - T | 0 | - | 4.64 | 54,391 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 54,237 |
| Car Logos Quiz #1 | 0 | - | 4.42 | 445,979 |
| Random Logos Quiz | 0 | - | 4.35 | 187,966 |
| All North American Pro Sports Logos | 0 | - | 4.75 | 92,996 |
| Pictures by Letter - J | 0 | - | 4.26 | 35,715 |
| Pictures by Letter - B | 0 | - | 4.30 | 38,996 |
| Pictures by Letter - D | 0 | - | 4.15 | 33,476 |
| Pictures by Letter - M | 0 | - | 4.22 | 33,930 |
| Largest Land Animals of Asia | 0 | - | 3.60 | 7,632 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,021 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,369 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.21 | 52,866 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.19 | 46,296 |
| Elements by Picture | 0 | - | 4.29 | 62,996 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.45 | 26,912 |
| Islands by Picture | 0 | - | 4.31 | 90,176 |
| 1940s Celebrities by Picture | 0 | - | 4.46 | 43,926 |
| Name that Historical Figure #1 | 0 | - | 4.64 | 292,290 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 246,013 |
| Geography by Picture - A | 0 | - | 4.35 | 56,517 |
| Geography by Picture - B | 0 | - | 4.36 | 52,089 |
| Geography by Picture - D | 0 | - | 4.10 | 42,943 |
| Geography by Picture - F | 0 | - | 4.25 | 48,003 |
| Geography by Picture - J | 0 | - | 4.14 | 36,139 |
| Geography by Picture - C | 0 | - | 4.28 | 53,909 |
| Geography by Picture - L | 0 | - | 4.34 | 55,461 |
| Geography by Picture - M | 0 | - | 4.11 | 38,175 |
| Geography by Picture - P | 0 | - | 4.28 | 39,881 |
| Geography by Picture - S | 0 | - | 4.35 | 44,257 |
| Random Flags Quiz | 0 | - | 4.41 | 253,581 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 113,382 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 122,154 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 103,194 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 83,784 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.29 | 18,123 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 45,392 |
| Satellite Images Quiz #6 | 0 | - | 4.52 | 35,309 |
| Cities by Picture #1 | 0 | - | 4.66 | 76,285 |
| Soccer Team Logos | 0 | - | 4.21 | 322,592 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,089,742 |
| Ultimate Car Logos Quiz | 0 | - | 4.59 | 118,365 |
| Video Game Logos Quiz | 0 | - | 4.37 | 149,108 |
| Movie Logos | 0 | - | 4.28 | 194,207 |
| Brand Logos That Start With M | 0 | - | 4.41 | 46,956 |
| Brand Logos That Start With B | 0 | - | 4.46 | 47,051 |
| Brand Logos That Start with A | 0 | - | 4.52 | 54,763 |
| History by Picture - A | 0 | - | 4.22 | 40,097 |
| History by Picture - B | 0 | - | 4.35 | 42,757 |
| History by Picture - C | 0 | - | 4.34 | 47,816 |
| History by Picture - F | 0 | - | 4.32 | 32,861 |
| History by Picture - G | 0 | - | 4.39 | 37,061 |
| History by Picture - D | 0 | - | 4.31 | 38,728 |
| History by Picture - E | 0 | - | 4.26 | 38,613 |
| History by Picture - H | 0 | - | 4.37 | 32,014 |
| History by Picture - M | 0 | - | 4.22 | 31,939 |
| History by Picture - N | 0 | - | 4.38 | 36,136 |
| History by Picture - O | 0 | - | 4.36 | 31,798 |
| Name that Nut, Seed, or Bean | 0 | - | 4.64 | 49,652 |
| Baby, Male and Female Animals | 0 | - | 4.41 | 136,946 |
| Animal Adjectives | 0 | - | 4.76 | 56,403 |
| African Great Lakes | 0 | - | 4.84 | 52,133 |
| Art Works Picture Quiz #1 | 0 | - | 4.49 | 96,317 |
| Art Works Picture Quiz #2 | 0 | - | 4.45 | 85,811 |
| Musical Instruments by Picture #1 | 0 | - | 4.48 | 253,938 |
| Shapes and Symbols #2 | 0 | - | 4.06 | 55,519 |
| Flowers by Picture | 0 | - | 4.46 | 101,042 |
| Name that Object #2 | 0 | - | 3.63 | 14,267 |
| Authors by Picture | 0 | - | 4.46 | 23,576 |
| Name that Object #3 | 0 | - | 3.98 | 13,172 |
| WWII Figures by Picture | 0 | - | 4.87 | 39,463 |
| College Sports Logos Quiz #3 | 0 | - | 4.33 | 45,864 |
| Planets By Picture Quiz | 0 | - | 4.54 | 47,945 |
| Songs by Picture Quiz #1 | 0 | - | 4.75 | 56,283 |
| Songs by Picture Quiz #2 | 0 | - | 4.43 | 50,765 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.25 | 64,344 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.24 | 46,636 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.22 | 47,295 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.15 | 64,559 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.04 | 56,055 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.12 | 72,510 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.11 | 64,685 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.12 | 83,884 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.28 | 42,571 |
| International Footballers by Picture | 0 | - | 4.38 | 43,733 |
| Name that Historical Figure #3 | 0 | - | 4.39 | 212,316 |
| Name that Historical Figure #4 | 0 | - | 4.28 | 138,850 |
| Name that Historical Figure #5 | 0 | - | 4.39 | 89,968 |
| Name that Historical Figure #6 | 0 | - | 4.21 | 78,011 |
| Musicians by Picture #1 | 0 | - | 4.36 | 84,385 |
| Musicians by Picture #2 | 0 | - | 4.25 | 58,724 |
| Musicians by Picture #4 | 0 | - | 4.09 | 51,767 |
| Musicians by Picture #3 | 0 | - | 4.14 | 48,929 |
| Emoji Flags | 0 | - | 4.34 | 40,302 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 148,916 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,053 |
| Satellite Images - Island Chains | 0 | - | 4.42 | 56,653 |
| Islands by Satellite Image #1 | 0 | - | 4.72 | 61,483 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 25,799 |
| Landmarks Picture Quiz #1 | 0 | - | 4.20 | 358,673 |
| Airline Logos | 0 | - | 4.43 | 126,463 |
| Car Logos Quiz #2 | 0 | - | 4.38 | 209,354 |
| Mostly-American Candy Logos | 0 | - | 4.11 | 135,331 |
| Brand Logos That Start With S | 0 | - | 4.34 | 43,384 |
| Brand Logos That Start With D | 0 | - | 4.31 | 48,239 |
| Brand Logos That Start With L | 0 | - | 4.38 | 45,977 |
| Brand Logos That Start With C | 0 | - | 4.12 | 39,509 |
| Pictures by Letter - A | 0 | - | 4.10 | 29,700 |
| Pictures by Letter - C | 0 | - | 4.07 | 26,845 |
| Pictures by Letter - O | 0 | - | 4.01 | 26,139 |
| Pictures by Letter - G | 0 | - | 4.09 | 24,837 |
| Pictures by Letter - L | 0 | - | 4.11 | 27,242 |
| Pictures by Letter - F | 0 | - | 4.16 | 25,543 |
| Pictures by Letter - Z | 0 | - | 4.18 | 20,950 |
| Pictures by Letter - Y | 0 | - | 4.18 | 23,532 |
| Pictures by Letter - R | 0 | - | 4.11 | 22,047 |
| Pictures by Letter - K | 0 | - | 4.12 | 22,253 |
| Pictures by Letter - I | 0 | - | 4.18 | 26,979 |
| Pictures by Letter - N | 0 | - | 4.09 | 21,673 |
| Pictures by Letter - P | 0 | - | 4.09 | 23,321 |
| Pictures by Letter - U | 0 | - | 4.07 | 18,343 |
| Pictures by Letter - T | 0 | - | 4.32 | 24,664 |
| Vegetables by Picture | 0 | - | 4.32 | 52,879 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 57,723 |
| Biggest Animals by Category | 0 | - | 4.19 | 70,495 |
| Word Scramble - Animals #1 | 0 | - | 4.35 | 129,415 |
| People with Animal Names Quiz #1 | 0 | - | 4.02 | 41,435 |
