| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,310 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,672 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,569 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,183 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,699 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,471 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,553 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,355 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,067 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,096 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,183 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,308 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,135 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,388 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,692 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,468 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,012 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,061 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,540 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,860 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,099 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,063 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,723 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,887 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,344 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,811 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,922 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,832 |
| Top 15 Countries with the Most Cows | 0 | - | 4.72 | 104,468 |
| Name that Bug | 0 | - | 4.12 | 45,538 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,632 |
| Empires by Maps | 0 | - | 4.98 | 120,099 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,329 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,575 |
| Animals of Australia | 0 | - | 4.52 | 42,295 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,224 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,825 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,575 |
| All Country Flags of the World | 0 | - | 5.00 | 3,652,128 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,353 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,267 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,301 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,217 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,289 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,049 |
| Play-Doh People from History | 0 | - | 4.99 | 94,633 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,908 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,249 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,418 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,067 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,473 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,180 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,900 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,767 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,958 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,399 |
| Flags with Crescents | 0 | - | 4.98 | 169,193 |
| Country Flag Trivia | 0 | - | 4.81 | 56,855 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,513 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,297 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,127 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,147 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,071 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,393 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,666 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,920 |
| National Football Team Logos | 0 | - | 4.85 | 180,071 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,802 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,745 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,800 |
| Years in History by Picture | 0 | - | 4.44 | 35,458 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,791 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,436 |
| National Animals | 0 | - | 4.24 | 89,619 |
| Flags to Languages | 0 | - | 4.95 | 173,457 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,830 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,431 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,488 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,930 |
| Fruits by Picture | 0 | - | 4.19 | 806,825 |
| Old Movies by Picture | 0 | - | 4.51 | 25,060 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,966 |
| Name that Object #1 | 0 | - | 3.57 | 96,471 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,204 |
| Geography by Picture - B | 0 | - | 4.42 | 55,571 |
| Geography by Picture - H | 0 | - | 4.50 | 58,192 |
| Geography by Picture - N | 0 | - | 4.45 | 42,180 |
| Geography by Picture - R | 0 | - | 4.56 | 41,001 |
| Geography by Picture - T | 0 | - | 4.54 | 57,811 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,919 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 537,918 |
| Random Logos Quiz | 0 | - | 4.31 | 208,213 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,792 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,376 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,997 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,920 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,553 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,761 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,294 |
| Animals in World History | 0 | - | 4.74 | 44,444 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,617 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,319 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,896 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,629 |
| Elements by Picture | 0 | - | 4.27 | 69,871 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,289 |
| Islands by Picture | 0 | - | 4.29 | 106,789 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,233 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,634 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,145 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,969 |
| International Footballers by Picture | 0 | - | 4.50 | 55,464 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,259 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,511 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,741 |
| Geography by Picture - A | 0 | - | 4.39 | 60,214 |
| Geography by Picture - D | 0 | - | 4.15 | 45,628 |
| Geography by Picture - F | 0 | - | 4.31 | 50,967 |
| Geography by Picture - G | 0 | - | 4.38 | 47,922 |
| Geography by Picture - J | 0 | - | 4.16 | 38,444 |
| Geography by Picture - K | 0 | - | 4.29 | 33,108 |
| Geography by Picture - C | 0 | - | 4.31 | 57,041 |
| Geography by Picture - L | 0 | - | 4.37 | 58,920 |
| Geography by Picture - M | 0 | - | 4.14 | 40,431 |
| Geography by Picture - P | 0 | - | 4.24 | 42,411 |
| Geography by Picture - S | 0 | - | 4.38 | 47,022 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,089 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,374 |
| Flag Maths | 0 | - | 4.64 | 57,747 |
| Satellite Images #1 | 0 | - | 4.47 | 129,311 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,252 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,873 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,678 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,874 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,949 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,886 |
| Soccer Team Logos | 0 | - | 4.26 | 373,888 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,419,231 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,753 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,465 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,761 |
| Movie Logos | 0 | - | 4.33 | 238,049 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,633 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,136 |
| History by Picture - A | 0 | - | 4.26 | 45,769 |
| History by Picture - B | 0 | - | 4.40 | 48,916 |
| History by Picture - C | 0 | - | 4.36 | 54,449 |
| History by Picture - F | 0 | - | 4.35 | 37,862 |
| History by Picture - G | 0 | - | 4.40 | 42,118 |
| History by Picture - D | 0 | - | 4.29 | 44,293 |
| History by Picture - E | 0 | - | 4.27 | 43,905 |
| History by Picture - H | 0 | - | 4.37 | 36,776 |
| History by Picture - K | 0 | - | 4.35 | 33,343 |
| History by Picture - M | 0 | - | 4.17 | 36,132 |
| History by Picture - N | 0 | - | 4.40 | 41,240 |
| History by Picture - O | 0 | - | 4.39 | 36,298 |
| History by Picture - T | 0 | - | 4.20 | 33,301 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,209 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,305 |
| Animal Adjectives | 0 | - | 4.77 | 59,969 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,655 |
| African Great Lakes | 0 | - | 4.82 | 66,094 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,999 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,203 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,782 |
| Flowers by Picture | 0 | - | 4.46 | 105,603 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,712 |
| Name that Object #2 | 0 | - | 3.64 | 15,434 |
| Authors by Picture | 0 | - | 4.48 | 25,520 |
| Name that Object #3 | 0 | - | 3.93 | 14,388 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 85,814 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,245 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,633 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,701 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,864 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,794 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,104 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,352 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,381 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,140 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,635 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,328 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,320 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,250 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,121 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,119 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,982 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,193 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,487 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,240 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,765 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,883 |
| Emoji Flags | 0 | - | 4.35 | 44,034 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,126 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,792 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,860 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,368 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,302 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,617 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,788 |
