| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,888 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,945 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,273 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,942 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,160 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,116 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,158 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,950 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,792 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,918 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,901 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,980 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,879 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,019 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,602 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,645 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,335 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,444 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,414 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,448 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,448 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,339 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,067 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,526 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,481 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,743 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,638 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,621 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,786 |
| Name that Bug | 0 | - | 4.12 | 45,457 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,652 |
| Empires by Maps | 0 | - | 4.98 | 118,628 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,500 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,457 |
| Animals of Australia | 0 | - | 4.52 | 42,166 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,658 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,638 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| All Country Flags of the World | 0 | - | 5.00 | 3,606,044 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,218 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,996 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,258 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,007 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,234 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,871 |
| Play-Doh People from History | 0 | - | 4.99 | 93,924 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,356 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,773 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,550 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,073 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,073 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,744 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,903 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,697 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,858 |
| Flags with Crescents | 0 | - | 4.98 | 167,671 |
| Country Flag Trivia | 0 | - | 4.81 | 55,990 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,503 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,521 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,996 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,511 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,428 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,090 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,680 |
| National Football Team Logos | 0 | - | 4.84 | 178,798 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,621 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,696 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,688 |
| Years in History by Picture | 0 | - | 4.44 | 35,131 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,273 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,814 |
| National Animals | 0 | - | 4.24 | 89,171 |
| Flags to Languages | 0 | - | 4.95 | 172,576 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,280 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,161 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,234 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,328 |
| Fruits by Picture | 0 | - | 4.20 | 804,820 |
| Old Movies by Picture | 0 | - | 4.51 | 24,830 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,704 |
| Name that Object #1 | 0 | - | 3.56 | 96,317 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,636 |
| Geography by Picture - B | 0 | - | 4.42 | 55,428 |
| Geography by Picture - H | 0 | - | 4.49 | 58,061 |
| Geography by Picture - N | 0 | - | 4.45 | 42,059 |
| Geography by Picture - R | 0 | - | 4.55 | 40,885 |
| Geography by Picture - T | 0 | - | 4.54 | 57,691 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,494 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,518 |
| Random Logos Quiz | 0 | - | 4.32 | 207,112 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,407 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,143 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,736 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,639 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,325 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,535 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,258 |
| Animals in World History | 0 | - | 4.74 | 44,235 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,313 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,193 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,640 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,428 |
| Elements by Picture | 0 | - | 4.28 | 69,577 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,170 |
| Islands by Picture | 0 | - | 4.29 | 105,968 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,063 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,764 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,866 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,787 |
| International Footballers by Picture | 0 | - | 4.50 | 54,817 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,783 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,693 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,323 |
| Geography by Picture - A | 0 | - | 4.39 | 60,063 |
| Geography by Picture - D | 0 | - | 4.15 | 45,508 |
| Geography by Picture - F | 0 | - | 4.31 | 50,840 |
| Geography by Picture - G | 0 | - | 4.38 | 47,800 |
| Geography by Picture - J | 0 | - | 4.16 | 38,344 |
| Geography by Picture - K | 0 | - | 4.28 | 33,027 |
| Geography by Picture - C | 0 | - | 4.31 | 56,921 |
| Geography by Picture - L | 0 | - | 4.37 | 58,775 |
| Geography by Picture - M | 0 | - | 4.14 | 40,353 |
| Geography by Picture - P | 0 | - | 4.24 | 42,312 |
| Geography by Picture - S | 0 | - | 4.38 | 46,923 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,502 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,533 |
| Flag Maths | 0 | - | 4.78 | 57,681 |
| Satellite Images #1 | 0 | - | 4.46 | 129,043 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,011 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,669 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,576 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,669 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,819 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,404 |
| Soccer Team Logos | 0 | - | 4.26 | 371,069 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,403,496 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,512 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,414 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,762 |
| Movie Logos | 0 | - | 4.33 | 236,062 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,823 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,250 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,330 |
| History by Picture - A | 0 | - | 4.25 | 45,477 |
| History by Picture - B | 0 | - | 4.40 | 48,603 |
| History by Picture - C | 0 | - | 4.36 | 54,103 |
| History by Picture - F | 0 | - | 4.35 | 37,602 |
| History by Picture - G | 0 | - | 4.40 | 41,868 |
| History by Picture - D | 0 | - | 4.29 | 44,025 |
| History by Picture - E | 0 | - | 4.27 | 43,641 |
| History by Picture - H | 0 | - | 4.37 | 36,556 |
| History by Picture - K | 0 | - | 4.35 | 33,120 |
| History by Picture - M | 0 | - | 4.17 | 35,929 |
| History by Picture - N | 0 | - | 4.40 | 41,015 |
| History by Picture - O | 0 | - | 4.39 | 36,060 |
| History by Picture - T | 0 | - | 4.20 | 33,109 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,885 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,688 |
| Animal Adjectives | 0 | - | 4.77 | 59,843 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,524 |
| African Great Lakes | 0 | - | 4.82 | 65,243 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,509 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,709 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,003 |
| Flowers by Picture | 0 | - | 4.46 | 105,027 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,544 |
| Name that Object #2 | 0 | - | 3.64 | 15,334 |
| Authors by Picture | 0 | - | 4.48 | 25,401 |
| Name that Object #3 | 0 | - | 3.93 | 14,311 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,525 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,573 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,179 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,233 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,413 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,448 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,479 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,049 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,149 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,940 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,275 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,020 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,975 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,642 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,941 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,740 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,096 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,469 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,241 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,379 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,106 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,372 |
| Emoji Flags | 0 | - | 4.35 | 43,828 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,005 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,492 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,209 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,256 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,776 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,130 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,675 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,101 |
