| Pick a Picture - Animal Relations | 0 | - | 4.93 | 48,108 |
| Animals by Close-up Image | 0 | - | 4.41 | 205,433 |
| Mammals by Picture #3 | 0 | - | 4.42 | 56,290 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 40,307 |
| Mammals by Picture #1 | 0 | - | 4.75 | 83,491 |
| Birds by Picture #1 | 0 | - | 4.44 | 35,498 |
| Animals A-Z by Picture | 0 | - | 4.12 | 60,409 |
| Mammals by Picture #2 | 0 | - | 4.27 | 53,478 |
| Fish by Picture #1 | 0 | - | 4.39 | 103,111 |
| Animals by Skeleton Image | 0 | - | 4.79 | 39,381 |
| Mammals by Picture #4 | 0 | - | 4.03 | 31,034 |
| Sea Creatures by Picture | 0 | - | 4.26 | 16,277 |
| Countries with Wild Tigers | 0 | - | 4.95 | 112,469 |
| Countries with Wild Penguins | 0 | - | 4.93 | 91,384 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 79,745 |
| Birds by Picture #2 | 0 | - | 4.30 | 31,332 |
| Fish by Picture #2 | 0 | - | 4.06 | 16,580 |
| Birds by Picture #3 | 0 | - | 4.20 | 29,097 |
| Countries with the Most Sheep | 0 | - | 4.88 | 83,113 |
| Countries With Two or More Bear Species | 0 | - | 4.89 | 19,115 |
| Countries With The Most Bird Species | 0 | - | 4.87 | 20,331 |
| Countries with the Most Wolves | 0 | - | 4.88 | 79,895 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 102,851 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.51 | 23,683 |
| Top 15 Countries with the Most Cows | 0 | - | 4.66 | 90,113 |
| Countries with the Most Wild Elephants | 0 | - | 4.57 | 51,375 |
| Animal Populations of Countries | 0 | - | 4.50 | 40,629 |
| Name that Bug | 0 | - | 4.11 | 44,124 |
| Former Countries by Territory Map | 0 | - | 4.96 | 87,540 |
| Empires by Maps | 0 | - | 4.98 | 97,381 |
| Australian Animals By Picture | 0 | - | 4.44 | 29,551 |
| Animals of Australia | 0 | - | 4.51 | 40,152 |
| North American Bird-Named Teams | 0 | - | 4.41 | 65,505 |
| Countries with NO Snakes | 0 | - | 4.52 | 62,441 |
| "Big Five" African Game Animals | 0 | - | 4.20 | 45,713 |
| Countries with Wild Lions | 0 | - | 4.72 | 22,104 |
| Where Do Musk Oxen Live? | 0 | - | 4.61 | 14,678 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,359 |
| Reptile Picture Quiz | 0 | - | 4.27 | 13,242 |
| Dog Breed Picture Quiz | 0 | - | 4.33 | 197,078 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,858 |
| All Country Flags of the World | 0 | - | 5.00 | 3,061,364 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,391,351 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,015,996 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 680,813 |
| Animals in World History | 0 | - | 4.82 | 40,934 |
| Top 10 Countries with the Most Horses | 0 | - | 4.51 | 65,094 |
| Make a Stained Glass Window | 0 | - | 4.99 | 60,217 |
| Flags with Crescents | 0 | - | 4.98 | 146,552 |
| Country Flag Trivia | 0 | - | 4.81 | 45,384 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 78,174 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 57,676 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 69,767 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 56,555 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.87 | 64,834 |
| Flag Maths | 0 | - | 4.92 | 51,108 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 43,265 |
| National Soccer Team Logos | 0 | - | 4.84 | 159,117 |
| Largest Land Animals of Africa | 0 | - | 4.34 | 11,732 |
| Countries with More Cows than People | 0 | - | 4.40 | 48,047 |
| Top Countries for Shark Attacks | 0 | - | 4.49 | 44,002 |
| Famous Foreheads #1 | 0 | - | 4.49 | 67,555 |
| National Animals | 0 | - | 4.27 | 84,507 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.95 | 42,515 |
| Flags to Languages | 0 | - | 4.95 | 160,729 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 64,495 |
| Fruits by Picture | 0 | - | 4.20 | 743,767 |
| Old Movies by Picture | 0 | - | 4.51 | 21,974 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 43,452 |
| Name that Object #1 | 0 | - | 3.57 | 95,059 |
| Years in History by Picture | 0 | - | 4.43 | 30,597 |
| Classic Movies by Movie Posters | 0 | - | 4.43 | 21,713 |
| Geography by Picture - H | 0 | - | 4.51 | 55,650 |
| Geography by Picture - N | 0 | - | 4.46 | 39,961 |
| Geography by Picture - R | 0 | - | 4.54 | 38,951 |
| Geography by Picture - T | 0 | - | 4.56 | 55,272 |
| Name the Pixelated Landmark | 0 | - | 4.82 | 56,154 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 478,632 |
| Random Logos Quiz | 0 | - | 4.33 | 192,134 |
| All North American Pro Sports Logos | 0 | - | 4.75 | 96,988 |
| Pictures by Letter - J | 0 | - | 4.27 | 36,569 |
| Pictures by Letter - B | 0 | - | 4.31 | 40,039 |
| Pictures by Letter - D | 0 | - | 4.11 | 34,253 |
| Pictures by Letter - M | 0 | - | 4.24 | 34,738 |
| History by Picture - N | 0 | - | 4.41 | 37,133 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 7,729 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,745 |
| Islands by Shape #1 | 0 | - | 4.28 | 71,845 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.18 | 53,835 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 47,157 |
| Elements by Picture | 0 | - | 4.30 | 64,325 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 27,416 |
| Islands by Picture | 0 | - | 4.29 | 94,239 |
| 1940s Celebrities by Picture | 0 | - | 4.45 | 44,748 |
| Name that Historical Figure #1 | 0 | - | 4.64 | 298,588 |
| Name that Historical Figure #2 | 0 | - | 4.44 | 251,587 |
| Name that Historical Figure #5 | 0 | - | 4.41 | 93,098 |
| Geography by Picture - A | 0 | - | 4.35 | 57,376 |
| Geography by Picture - B | 0 | - | 4.37 | 52,871 |
| Geography by Picture - D | 0 | - | 4.13 | 43,516 |
| Geography by Picture - F | 0 | - | 4.29 | 48,694 |
| Geography by Picture - G | 0 | - | 4.39 | 45,736 |
| Geography by Picture - J | 0 | - | 4.14 | 36,678 |
| Geography by Picture - C | 0 | - | 4.28 | 54,616 |
| Geography by Picture - L | 0 | - | 4.34 | 56,278 |
| Geography by Picture - M | 0 | - | 4.11 | 38,673 |
| Geography by Picture - P | 0 | - | 4.26 | 40,486 |
| Geography by Picture - S | 0 | - | 4.35 | 44,939 |
| Random Flags Quiz | 0 | - | 4.41 | 259,567 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 117,081 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,741 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,513 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 85,073 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.30 | 18,442 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,328 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 36,093 |
| Cities by Picture #1 | 0 | - | 4.70 | 78,419 |
| Soccer Team Logos | 0 | - | 4.22 | 335,534 |
| Brand Logos Quiz #1 | 0 | - | 4.81 | 2,159,426 |
| Ultimate Car Logos Quiz | 0 | - | 4.71 | 133,371 |
| Video Game Logos Quiz | 0 | - | 4.37 | 154,048 |
| Movie Logos | 0 | - | 4.29 | 204,427 |
| Brand Logos That Start With M | 0 | - | 4.41 | 50,823 |
| Brand Logos That Start With B | 0 | - | 4.44 | 50,032 |
| Brand Logos That Start with A | 0 | - | 4.52 | 58,201 |
| History by Picture - A | 0 | - | 4.23 | 41,160 |
| History by Picture - B | 0 | - | 4.36 | 43,966 |
| History by Picture - C | 0 | - | 4.36 | 49,149 |
| History by Picture - F | 0 | - | 4.33 | 33,814 |
| History by Picture - G | 0 | - | 4.39 | 38,042 |
| History by Picture - D | 0 | - | 4.32 | 39,829 |
| History by Picture - E | 0 | - | 4.28 | 39,641 |
| History by Picture - H | 0 | - | 4.38 | 32,949 |
| History by Picture - M | 0 | - | 4.19 | 32,755 |
| History by Picture - O | 0 | - | 4.37 | 32,650 |
| Name that Nut, Seed, or Bean | 0 | - | 4.66 | 51,325 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 139,709 |
| Animal Adjectives | 0 | - | 4.76 | 57,145 |
| African Great Lakes | 0 | - | 4.85 | 55,170 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 97,701 |
| Art Works Picture Quiz #2 | 0 | - | 4.47 | 87,106 |
| Musical Instruments by Picture #1 | 0 | - | 4.54 | 257,590 |
| Shapes and Symbols #2 | 0 | - | 4.02 | 55,749 |
| Flowers by Picture | 0 | - | 4.46 | 101,805 |
| Name that Object #2 | 0 | - | 3.65 | 14,415 |
| Authors by Picture | 0 | - | 4.47 | 23,936 |
| Name that Object #3 | 0 | - | 4.00 | 13,336 |
| WWII Figures by Picture | 0 | - | 4.87 | 41,805 |
| College Sports Logos Quiz #3 | 0 | - | 4.35 | 47,485 |
| Planets By Picture Quiz | 0 | - | 4.52 | 49,653 |
| Songs by Picture Quiz #1 | 0 | - | 4.66 | 58,281 |
| Songs by Picture Quiz #2 | 0 | - | 4.43 | 52,558 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.25 | 65,441 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.23 | 47,561 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.22 | 48,071 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.15 | 66,031 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.01 | 57,177 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.12 | 73,913 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.11 | 66,230 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.13 | 86,225 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.28 | 43,286 |
| International Footballers by Picture | 0 | - | 4.40 | 46,191 |
| Name that Historical Figure #3 | 0 | - | 4.40 | 217,496 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 142,686 |
| Name that Historical Figure #6 | 0 | - | 4.22 | 80,781 |
| Musicians by Picture #1 | 0 | - | 4.37 | 89,779 |
| Musicians by Picture #2 | 0 | - | 4.24 | 62,732 |
| Musicians by Picture #4 | 0 | - | 4.06 | 54,816 |
| Musicians by Picture #3 | 0 | - | 4.11 | 51,244 |
| Emoji Flags | 0 | - | 4.34 | 41,138 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 153,695 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,737 |
| Satellite Images - Island Chains | 0 | - | 4.42 | 58,854 |
| Islands by Satellite Image #1 | 0 | - | 4.71 | 63,468 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 26,209 |
| Landmarks Picture Quiz #1 | 0 | - | 4.21 | 363,655 |
| Airline Logos | 0 | - | 4.43 | 130,031 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 229,976 |
| Car Logos Quiz #2 | 0 | - | 4.39 | 218,805 |
| Mostly-American Candy Logos | 0 | - | 4.12 | 141,036 |
| Brand Logos That Start With S | 0 | - | 4.37 | 46,925 |
| Brand Logos That Start With D | 0 | - | 4.35 | 51,335 |
| Brand Logos That Start With L | 0 | - | 4.36 | 49,505 |
| Brand Logos That Start With C | 0 | - | 4.14 | 41,928 |
| Pictures by Letter - A | 0 | - | 4.08 | 30,410 |
| Pictures by Letter - E | 0 | - | 3.49 | 32,060 |
| Pictures by Letter - C | 0 | - | 4.06 | 27,532 |
| Pictures by Letter - G | 0 | - | 4.07 | 25,443 |
| Pictures by Letter - L | 0 | - | 4.12 | 27,921 |
| Pictures by Letter - F | 0 | - | 4.18 | 26,229 |
| Pictures by Letter - Z | 0 | - | 4.17 | 21,464 |
| Pictures by Letter - Y | 0 | - | 4.19 | 24,066 |
| Pictures by Letter - R | 0 | - | 4.10 | 22,566 |
| Pictures by Letter - K | 0 | - | 4.14 | 22,796 |
| Pictures by Letter - I | 0 | - | 4.15 | 27,645 |
| Pictures by Letter - N | 0 | - | 4.11 | 22,197 |
| Pictures by Letter - P | 0 | - | 4.06 | 23,841 |
| Pictures by Letter - U | 0 | - | 4.09 | 18,781 |
| Pictures by Letter - T | 0 | - | 4.33 | 25,220 |
| Vegetables by Picture | 0 | - | 4.32 | 55,154 |
