| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,775 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,503 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,191 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,885 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,048 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,039 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,060 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,847 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,732 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,871 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,814 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,908 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,806 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,928 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,579 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,552 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,271 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,375 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,382 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,246 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,345 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,242 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,969 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,432 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,465 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,734 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,594 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,584 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,761 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,349 |
| Empires by Maps | 0 | - | 4.98 | 118,227 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,320 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,432 |
| Animals of Australia | 0 | - | 4.52 | 42,137 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,597 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,601 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| All Country Flags of the World | 0 | - | 5.00 | 3,595,911 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,193 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,944 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,251 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,958 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,221 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,638 |
| Play-Doh People from History | 0 | - | 4.99 | 93,734 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,231 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,673 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,448 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,968 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,995 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,791 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,232 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,642 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,731 |
| Flags with Crescents | 0 | - | 4.98 | 167,347 |
| Country Flag Trivia | 0 | - | 4.81 | 55,806 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,275 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,364 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,770 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,369 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,295 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,955 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,390 |
| National Football Team Logos | 0 | - | 4.84 | 178,450 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,587 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,660 |
| Years in History by Picture | 0 | - | 4.44 | 35,062 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,143 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,666 |
| National Animals | 0 | - | 4.24 | 89,125 |
| Flags to Languages | 0 | - | 4.95 | 172,371 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,197 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,138 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,167 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,184 |
| Fruits by Picture | 0 | - | 4.20 | 804,379 |
| Old Movies by Picture | 0 | - | 4.51 | 24,766 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,637 |
| Name that Object #1 | 0 | - | 3.56 | 96,277 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,275 |
| Geography by Picture - B | 0 | - | 4.42 | 55,390 |
| Geography by Picture - H | 0 | - | 4.49 | 58,021 |
| Geography by Picture - N | 0 | - | 4.45 | 42,036 |
| Geography by Picture - R | 0 | - | 4.55 | 40,867 |
| Geography by Picture - T | 0 | - | 4.54 | 57,653 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,373 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,278 |
| Random Logos Quiz | 0 | - | 4.32 | 206,889 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,035 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,096 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,689 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,580 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,280 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,500 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,252 |
| Animals in World History | 0 | - | 4.74 | 44,198 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,265 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,169 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,588 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,377 |
| Elements by Picture | 0 | - | 4.27 | 69,495 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,143 |
| Islands by Picture | 0 | - | 4.29 | 105,785 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,011 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,373 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,795 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,738 |
| International Footballers by Picture | 0 | - | 4.50 | 54,603 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,377 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,514 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,245 |
| Geography by Picture - A | 0 | - | 4.39 | 60,027 |
| Geography by Picture - D | 0 | - | 4.15 | 45,469 |
| Geography by Picture - F | 0 | - | 4.31 | 50,810 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,317 |
| Geography by Picture - K | 0 | - | 4.28 | 32,997 |
| Geography by Picture - C | 0 | - | 4.31 | 56,893 |
| Geography by Picture - L | 0 | - | 4.37 | 58,732 |
| Geography by Picture - M | 0 | - | 4.14 | 40,331 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,897 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,143 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,344 |
| Flag Maths | 0 | - | 4.78 | 57,665 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,966 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,957 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,619 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,561 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,623 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,780 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,290 |
| Soccer Team Logos | 0 | - | 4.26 | 370,333 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,537 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,785 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,946 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,498 |
| Movie Logos | 0 | - | 4.33 | 235,561 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,664 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,109 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,150 |
| History by Picture - A | 0 | - | 4.25 | 45,422 |
| History by Picture - B | 0 | - | 4.40 | 48,536 |
| History by Picture - C | 0 | - | 4.36 | 54,042 |
| History by Picture - F | 0 | - | 4.35 | 37,550 |
| History by Picture - G | 0 | - | 4.40 | 41,806 |
| History by Picture - D | 0 | - | 4.32 | 43,970 |
| History by Picture - E | 0 | - | 4.27 | 43,589 |
| History by Picture - H | 0 | - | 4.37 | 36,501 |
| History by Picture - K | 0 | - | 4.35 | 33,075 |
| History by Picture - M | 0 | - | 4.17 | 35,882 |
| History by Picture - N | 0 | - | 4.40 | 40,963 |
| History by Picture - O | 0 | - | 4.39 | 35,999 |
| History by Picture - T | 0 | - | 4.20 | 33,057 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,796 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 149,556 |
| Animal Adjectives | 0 | - | 4.77 | 59,812 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,496 |
| African Great Lakes | 0 | - | 4.82 | 65,062 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,405 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,574 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,799 |
| Flowers by Picture | 0 | - | 4.46 | 104,987 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,515 |
| Name that Object #2 | 0 | - | 3.64 | 15,309 |
| Authors by Picture | 0 | - | 4.48 | 25,387 |
| Name that Object #3 | 0 | - | 3.93 | 14,294 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,367 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,432 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,981 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,110 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,286 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,355 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,362 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,975 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,086 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,900 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,194 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,940 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,882 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,500 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,898 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,496 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,913 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,335 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,956 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,174 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,946 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,262 |
| Emoji Flags | 0 | - | 4.35 | 43,792 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,714 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,433 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,051 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,218 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,696 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,036 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,658 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,826 |
