| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,607 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,686 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,602 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,800 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,346 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,653 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,832 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,628 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,292 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,212 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,366 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,528 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,332 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,756 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,997 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,313 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,324 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,620 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,035 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,406 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,391 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,798 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,285 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,683 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,680 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,847 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,043 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,942 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,328 |
| Name that Bug | 0 | - | 4.12 | 45,590 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,160 |
| Empires by Maps | 0 | - | 4.98 | 121,017 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,833 |
| Animals of Australia | 0 | - | 4.52 | 42,380 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,468 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,931 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,619 |
| All Country Flags of the World | 0 | - | 5.00 | 3,682,864 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,424 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,427 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,327 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,364 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,324 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,736 |
| Play-Doh People from History | 0 | - | 4.99 | 95,099 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,263 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,608 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,724 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,380 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,779 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,487 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,521 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,545 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,120 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,715 |
| Flags with Crescents | 0 | - | 4.98 | 170,249 |
| Country Flag Trivia | 0 | - | 4.81 | 57,411 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,185 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,861 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,852 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,521 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,516 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,700 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,083 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,803 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,972 |
| National Football Team Logos | 0 | - | 4.85 | 180,902 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,906 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,775 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,868 |
| Years in History by Picture | 0 | - | 4.44 | 35,626 |
| Where Are These Doors? | 0 | - | 4.45 | 30,086 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,118 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,799 |
| National Animals | 0 | - | 4.24 | 89,785 |
| Flags to Languages | 0 | - | 4.95 | 173,949 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,156 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,724 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,646 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,352 |
| Fruits by Picture | 0 | - | 4.19 | 808,092 |
| Old Movies by Picture | 0 | - | 4.51 | 25,156 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,143 |
| Name that Object #1 | 0 | - | 3.57 | 96,538 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,220 |
| Geography by Picture - B | 0 | - | 4.42 | 55,682 |
| Geography by Picture - H | 0 | - | 4.50 | 58,285 |
| Geography by Picture - N | 0 | - | 4.45 | 42,258 |
| Geography by Picture - R | 0 | - | 4.56 | 41,079 |
| Geography by Picture - T | 0 | - | 4.54 | 57,907 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,184 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,115 |
| Random Logos Quiz | 0 | - | 4.33 | 208,827 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,623 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,519 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,147 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,092 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,689 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,889 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,316 |
| Animals in World History | 0 | - | 4.74 | 44,584 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,741 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,424 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,066 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,783 |
| Elements by Picture | 0 | - | 4.27 | 70,101 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,393 |
| Islands by Picture | 0 | - | 4.28 | 107,284 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,327 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,145 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,368 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,097 |
| International Footballers by Picture | 0 | - | 4.51 | 55,936 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,141 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,037 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,973 |
| Geography by Picture - A | 0 | - | 4.39 | 60,330 |
| Geography by Picture - D | 0 | - | 4.15 | 45,712 |
| Geography by Picture - F | 0 | - | 4.31 | 51,077 |
| Geography by Picture - G | 0 | - | 4.39 | 48,006 |
| Geography by Picture - J | 0 | - | 4.16 | 38,517 |
| Geography by Picture - K | 0 | - | 4.29 | 33,178 |
| Geography by Picture - C | 0 | - | 4.31 | 57,133 |
| Geography by Picture - L | 0 | - | 4.37 | 59,049 |
| Geography by Picture - M | 0 | - | 4.14 | 40,511 |
| Geography by Picture - P | 0 | - | 4.24 | 42,485 |
| Geography by Picture - S | 0 | - | 4.38 | 47,093 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,088 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,878 |
| Flag Maths | 0 | - | 4.64 | 57,794 |
| Satellite Images #1 | 0 | - | 4.47 | 129,497 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,413 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,997 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,736 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,019 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,050 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,214 |
| Soccer Team Logos | 0 | - | 4.26 | 375,763 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,429,339 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,732 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,419 |
| Movie Logos | 0 | - | 4.33 | 239,223 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,693 |
| History by Picture - A | 0 | - | 4.26 | 45,957 |
| History by Picture - B | 0 | - | 4.40 | 49,136 |
| History by Picture - C | 0 | - | 4.36 | 54,655 |
| History by Picture - F | 0 | - | 4.35 | 38,011 |
| History by Picture - G | 0 | - | 4.40 | 42,263 |
| History by Picture - D | 0 | - | 4.29 | 44,452 |
| History by Picture - E | 0 | - | 4.25 | 44,064 |
| History by Picture - H | 0 | - | 4.37 | 36,909 |
| History by Picture - K | 0 | - | 4.35 | 33,462 |
| History by Picture - M | 0 | - | 4.17 | 36,240 |
| History by Picture - N | 0 | - | 4.40 | 41,376 |
| History by Picture - O | 0 | - | 4.39 | 36,412 |
| History by Picture - T | 0 | - | 4.20 | 33,404 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,439 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,730 |
| Animal Adjectives | 0 | - | 4.77 | 60,081 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,739 |
| African Great Lakes | 0 | - | 4.82 | 66,544 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,509 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,574 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,286 |
| Flowers by Picture | 0 | - | 4.46 | 105,736 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,845 |
| Name that Object #2 | 0 | - | 3.64 | 15,471 |
| Authors by Picture | 0 | - | 4.48 | 25,568 |
| Name that Object #3 | 0 | - | 3.93 | 14,425 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,396 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,803 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,962 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,048 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,199 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,047 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,379 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,565 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,529 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,257 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,876 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,561 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,593 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,788 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,242 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,897 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,519 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,633 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,306 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,826 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,202 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,217 |
| Emoji Flags | 0 | - | 4.35 | 44,165 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,025 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,015 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,247 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,456 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,640 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,943 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,862 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,997 |
