| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,772 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,500 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,189 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,884 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,046 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,039 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,055 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,845 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,731 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,871 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,811 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,905 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,802 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,926 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,579 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,546 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,269 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,372 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,380 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,234 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,342 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,240 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,967 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,428 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,462 |
| 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 | 43,582 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,759 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,347 |
| Empires by Maps | 0 | - | 4.98 | 118,215 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,317 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,431 |
| Animals of Australia | 0 | - | 4.52 | 42,137 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,596 |
| 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 | 3,595,581 |
| "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 | 58,955 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,220 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,627 |
| Play-Doh People from History | 0 | - | 4.99 | 93,719 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,229 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,670 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,447 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,963 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,916 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,753 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,207 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,642 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,728 |
| Flags with Crescents | 0 | - | 4.98 | 167,332 |
| Country Flag Trivia | 0 | - | 4.81 | 55,804 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,266 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,359 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,761 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,365 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,291 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,951 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,380 |
| National Football Team Logos | 0 | - | 4.84 | 178,442 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,582 |
| 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 | 35,060 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,139 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,664 |
| National Animals | 0 | - | 4.24 | 89,122 |
| Flags to Languages | 0 | - | 4.95 | 172,366 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,188 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,138 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,166 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,183 |
| Fruits by Picture | 0 | - | 4.20 | 804,369 |
| Old Movies by Picture | 0 | - | 4.51 | 24,764 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,635 |
| Name that Object #1 | 0 | - | 3.56 | 96,275 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,266 |
| Geography by Picture - B | 0 | - | 4.42 | 55,388 |
| Geography by Picture - H | 0 | - | 4.49 | 58,020 |
| Geography by Picture - N | 0 | - | 4.45 | 42,035 |
| 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 | 62,368 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,247 |
| Random Logos Quiz | 0 | - | 4.32 | 206,886 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,024 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,093 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,688 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,578 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,279 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,498 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,252 |
| Animals in World History | 0 | - | 4.74 | 44,194 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,261 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,169 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,587 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,375 |
| Elements by Picture | 0 | - | 4.27 | 69,495 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,143 |
| Islands by Picture | 0 | - | 4.29 | 105,783 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,009 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,367 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,794 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,736 |
| International Footballers by Picture | 0 | - | 4.50 | 54,599 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,369 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,507 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,243 |
| Geography by Picture - A | 0 | - | 4.39 | 60,027 |
| Geography by Picture - D | 0 | - | 4.15 | 45,468 |
| 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 | 278,124 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,339 |
| Flag Maths | 0 | - | 4.78 | 57,665 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,965 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,956 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,618 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,560 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,622 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,779 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,290 |
| Soccer Team Logos | 0 | - | 4.26 | 370,314 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,413 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,762 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,934 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,490 |
| Movie Logos | 0 | - | 4.33 | 235,546 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,660 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,099 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,146 |
| History by Picture - A | 0 | - | 4.25 | 45,421 |
| History by Picture - B | 0 | - | 4.40 | 48,535 |
| History by Picture - C | 0 | - | 4.36 | 54,039 |
| History by Picture - F | 0 | - | 4.35 | 37,548 |
| History by Picture - G | 0 | - | 4.40 | 41,805 |
| History by Picture - D | 0 | - | 4.32 | 43,968 |
| History by Picture - E | 0 | - | 4.27 | 43,587 |
| History by Picture - H | 0 | - | 4.37 | 36,498 |
| History by Picture - K | 0 | - | 4.35 | 33,074 |
| History by Picture - M | 0 | - | 4.17 | 35,880 |
| History by Picture - N | 0 | - | 4.40 | 40,962 |
| History by Picture - O | 0 | - | 4.39 | 35,997 |
| History by Picture - T | 0 | - | 4.20 | 33,057 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,788 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 149,547 |
| Animal Adjectives | 0 | - | 4.77 | 59,810 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,495 |
| African Great Lakes | 0 | - | 4.82 | 65,058 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,399 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,570 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,795 |
| Flowers by Picture | 0 | - | 4.46 | 104,985 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,513 |
| Name that Object #2 | 0 | - | 3.64 | 15,307 |
| Authors by Picture | 0 | - | 4.48 | 25,387 |
| Name that Object #3 | 0 | - | 3.93 | 14,293 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,362 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,430 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,979 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,107 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,285 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,352 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,360 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,973 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,084 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,897 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,191 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,937 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,878 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,494 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,897 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,485 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,906 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,329 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,949 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,168 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,938 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,258 |
| Emoji Flags | 0 | - | 4.35 | 43,792 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,706 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,431 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,048 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,215 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,688 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,031 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,657 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,822 |
