| Pick a Picture - Animal Relations | 0 | - | 4.94 | 53,104 |
| Animals by Skeleton Image | 0 | - | 4.81 | 44,163 |
| Animals by Close-up Image | 0 | - | 4.42 | 213,643 |
| Mammals by Picture #3 | 0 | - | 4.44 | 60,298 |
| Aquatic Mammals by Picture | 0 | - | 4.42 | 43,979 |
| Extinct Animals by Picture | 0 | - | 4.48 | 33,883 |
| Fish by Picture #1 | 0 | - | 4.41 | 106,672 |
| Birds by Picture #1 | 0 | - | 4.46 | 39,507 |
| Animals A-Z by Picture | 0 | - | 4.09 | 64,446 |
| Mammals by Picture #4 | 0 | - | 4.04 | 33,121 |
| Mammals by Picture #2 | 0 | - | 4.30 | 56,670 |
| Birds by Picture #2 | 0 | - | 4.32 | 34,696 |
| Birds by Picture #3 | 0 | - | 4.23 | 31,793 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,241 |
| Countries with Wild Tigers | 0 | - | 4.97 | 133,385 |
| Countries with Wild Penguins | 0 | - | 4.94 | 97,305 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 84,648 |
| Fish by Picture #2 | 0 | - | 4.08 | 17,853 |
| Countries with the Most Sheep | 0 | - | 4.88 | 86,532 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 23,576 |
| Countries with the Most Wolves | 0 | - | 4.91 | 104,564 |
| Countries that Catch the Most Fish | 0 | - | 4.89 | 109,140 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 21,630 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 24,490 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 53,686 |
| Animal Populations of Countries | 0 | - | 4.51 | 42,749 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 91,944 |
| Name that Bug | 0 | - | 4.11 | 45,076 |
| Former Countries by Territory Map | 0 | - | 4.96 | 97,690 |
| Empires by Maps | 0 | - | 4.98 | 112,509 |
| Merged Company Logos #1 | 0 | - | 4.91 | 102,259 |
| Australian Animals By Picture | 0 | - | 4.44 | 30,910 |
| Animals of Australia | 0 | - | 4.52 | 41,611 |
| Countries with More Cows than People | 0 | - | 4.41 | 49,323 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,065 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,206 |
| All Country Flags of the World | 0 | - | 5.00 | 3,424,069 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 46,704 |
| Countries with Wild Lions | 0 | - | 4.78 | 24,966 |
| Where Do Musk Oxen Live? | 0 | - | 4.62 | 15,098 |
| Islands by Shape #2 | 0 | - | 4.87 | 48,865 |
| Reptile Picture Quiz | 0 | - | 4.30 | 13,937 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 97,782 |
| Play-Doh People from History | 0 | - | 4.99 | 90,708 |
| Dog Breed Picture Quiz | 0 | - | 4.33 | 203,012 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 59,214 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,489,109 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,069,002 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 716,506 |
| Top 10 Countries with the Most Horses | 0 | - | 4.51 | 67,678 |
| Make a Stained Glass Window | 0 | - | 4.99 | 65,691 |
| Flags with Crescents | 0 | - | 4.98 | 161,116 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 98,013 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 65,327 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 81,099 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 63,582 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.83 | 81,524 |
| Flag Maths | 0 | - | 4.90 | 56,486 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 49,366 |
| National Football Team Logos | 0 | - | 4.85 | 173,273 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 17,882 |
| Largest Land Animals of Africa | 0 | - | 4.34 | 12,473 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,132 |
| Years in History by Picture | 0 | - | 4.43 | 33,761 |
| Famous Foreheads #1 | 0 | - | 4.45 | 72,337 |
| Merged Company Logos #2 | 0 | - | 4.75 | 74,484 |
| National Animals | 0 | - | 4.24 | 88,256 |
| Flags to Languages | 0 | - | 4.95 | 168,623 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 69,393 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 48,119 |
| Animals by Range on a World Map | 0 | - | 4.97 | 24,033 |
| Fruits by Picture | 0 | - | 4.19 | 793,395 |
| Old Movies by Picture | 0 | - | 4.51 | 23,985 |
| Musical Instruments by Picture #2 | 0 | - | 4.23 | 45,740 |
| Name that Object #1 | 0 | - | 3.58 | 95,924 |
| Name that Historical Figure #1 | 0 | - | 4.62 | 324,693 |
| Geography by Picture - B | 0 | - | 4.41 | 54,733 |
| Geography by Picture - H | 0 | - | 4.49 | 57,410 |
| Geography by Picture - N | 0 | - | 4.44 | 41,509 |
| Geography by Picture - R | 0 | - | 4.55 | 40,375 |
| Geography by Picture - T | 0 | - | 4.54 | 57,049 |
| Name the Pixelated Landmark | 0 | - | 4.83 | 60,553 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 513,176 |
| Random Logos Quiz | 0 | - | 4.33 | 202,623 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 108,279 |
| Pictures by Letter - A | 0 | - | 4.15 | 32,318 |
| Pictures by Letter - J | 0 | - | 4.28 | 38,899 |
| Pictures by Letter - B | 0 | - | 4.29 | 42,576 |
| Pictures by Letter - D | 0 | - | 4.15 | 36,486 |
| Pictures by Letter - M | 0 | - | 4.21 | 36,799 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 80,843 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,106 |
| Animals in World History | 0 | - | 4.74 | 43,309 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 56,470 |
| Islands by Shape #1 | 0 | - | 4.31 | 82,681 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 56,513 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 49,466 |
| Elements by Picture | 0 | - | 4.27 | 68,139 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,644 |
| Islands by Picture | 0 | - | 4.28 | 102,750 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 23,418 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 98,947 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,009 |
| International Footballers by Picture | 0 | - | 4.49 | 52,081 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 266,524 |
| Name that Historical Figure #5 | 0 | - | 4.42 | 102,173 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.47 | 47,939 |
| Geography by Picture - A | 0 | - | 4.38 | 59,325 |
| Geography by Picture - D | 0 | - | 4.14 | 44,947 |
| Geography by Picture - F | 0 | - | 4.30 | 50,238 |
| Geography by Picture - G | 0 | - | 4.39 | 47,278 |
| Geography by Picture - J | 0 | - | 4.16 | 37,880 |
| Geography by Picture - K | 0 | - | 4.27 | 32,572 |
| Geography by Picture - C | 0 | - | 4.30 | 56,308 |
| Geography by Picture - L | 0 | - | 4.36 | 58,091 |
| Geography by Picture - M | 0 | - | 4.13 | 39,906 |
| Geography by Picture - P | 0 | - | 4.23 | 41,848 |
| Geography by Picture - S | 0 | - | 4.37 | 46,403 |
| Miscellaneous Flags Quiz | 0 | - | 4.41 | 272,735 |
| Country Flag Trivia | 0 | - | 4.80 | 52,410 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 139,924 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 127,621 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 107,855 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 87,810 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.35 | 19,253 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 48,788 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,107 |
| Cities by Picture #1 | 0 | - | 4.70 | 83,444 |
| Soccer Team Logos | 0 | - | 4.26 | 360,005 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,338,885 |
| Ultimate Car Logos Quiz | 0 | - | 4.77 | 164,323 |
| Car Logos Quiz #2 | 0 | - | 4.42 | 251,700 |
| Video Game Logos Quiz | 0 | - | 4.37 | 164,838 |
| Movie Logos | 0 | - | 4.31 | 228,005 |
| Brand Logos That Start With M | 0 | - | 4.43 | 58,667 |
| Brand Logos That Start with A | 0 | - | 4.51 | 66,216 |
| History by Picture - A | 0 | - | 4.24 | 44,233 |
| History by Picture - B | 0 | - | 4.38 | 47,301 |
| History by Picture - C | 0 | - | 4.36 | 52,718 |
| History by Picture - F | 0 | - | 4.33 | 36,519 |
| History by Picture - G | 0 | - | 4.38 | 40,788 |
| History by Picture - D | 0 | - | 4.30 | 42,832 |
| History by Picture - E | 0 | - | 4.27 | 42,504 |
| History by Picture - H | 0 | - | 4.36 | 35,544 |
| History by Picture - K | 0 | - | 4.33 | 32,237 |
| History by Picture - M | 0 | - | 4.17 | 35,041 |
| History by Picture - N | 0 | - | 4.39 | 39,992 |
| History by Picture - O | 0 | - | 4.38 | 35,090 |
| History by Picture - T | 0 | - | 4.28 | 32,271 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 55,420 |
| Vegetables by Picture | 0 | - | 4.41 | 60,972 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 147,176 |
| Animal Adjectives | 0 | - | 4.74 | 59,117 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 32,889 |
| Art Works Picture Quiz #1 | 0 | - | 4.52 | 115,272 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 95,854 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 264,948 |
| Flowers by Picture | 0 | - | 4.47 | 103,879 |
| Art Works Picture Quiz #3 | 0 | - | 4.44 | 47,107 |
| Name that Object #2 | 0 | - | 3.65 | 15,029 |
| Authors by Picture | 0 | - | 4.47 | 24,999 |
| Name that Object #3 | 0 | - | 3.98 | 14,066 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 74,891 |
| WWII Figures by Picture | 0 | - | 4.83 | 47,982 |
| College Sports Logos Quiz #3 | 0 | - | 4.29 | 52,514 |
| Planets By Picture Quiz | 0 | - | 4.50 | 53,985 |
| Songs by Picture Quiz #1 | 0 | - | 4.69 | 63,398 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 56,696 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.41 | 162,057 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.26 | 68,724 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.25 | 50,150 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,178 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.18 | 69,799 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.02 | 60,131 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 77,561 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.13 | 70,275 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.17 | 92,091 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,221 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 231,181 |
| Name that Historical Figure #4 | 0 | - | 4.30 | 153,144 |
| Name that Historical Figure #6 | 0 | - | 4.25 | 88,629 |
| Musicians by Picture #1 | 0 | - | 4.38 | 102,567 |
| Musicians by Picture #2 | 0 | - | 4.24 | 71,905 |
| Musicians by Picture #4 | 0 | - | 4.05 | 61,479 |
| Musicians by Picture #3 | 0 | - | 4.08 | 56,492 |
| Emoji Flags | 0 | - | 4.34 | 43,000 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 165,143 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 36,277 |
| Languages by Combined Flags | 0 | - | 4.64 | 71,707 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 72,627 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 63,972 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 68,275 |
| Peninsulas by Satellite Image | 0 | - | 4.54 | 27,248 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 374,733 |
| Airline Logos | 0 | - | 4.44 | 137,511 |
| Fast Food Logos Quiz | 0 | - | 4.42 | 242,450 |
| Mostly-American Candy Logos | 0 | - | 4.10 | 153,704 |
| Brand Logos That Start With S | 0 | - | 4.39 | 53,963 |
| Brand Logos That Start With B | 0 | - | 4.40 | 56,766 |
| Brand Logos That Start With D | 0 | - | 4.33 | 58,177 |
