| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,104 |
| Name that Bug | 0 | - | 4.12 | 45,499 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,186 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,333 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,431 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,064 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,436 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,023 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,644 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,693 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,300 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,162 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,933 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,026 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,050 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,371 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,743 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,260 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,593 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,458 |
| Animals in World History | 0 | - | 4.74 | 44,347 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,851 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,638 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,769 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,732 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,599 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,859 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,137 |
| Empires by Maps | 0 | - | 4.98 | 119,306 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,483 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,827 |
| Flowers by Picture | 0 | - | 4.46 | 105,130 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,360 |
| Countries with More Cows than People | 0 | - | 4.45 | 60,992 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,735 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,544 |
| All Country Flags of the World | 0 | - | 5.00 | 3,629,947 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,304 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,127 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,273 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,100 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,380 |
| Play-Doh People from History | 0 | - | 4.99 | 94,279 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,617 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,998 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,193 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,245 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,190 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,759 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,421 |
| Name the Cat Flags | 0 | - | 5.00 | 40,177 |
| Extinct Animals | 0 | - | 4.21 | 27,451 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,227 |
| Animals in the News | 0 | - | 4.37 | 26,756 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,824 |
| Megadiverse Countries | 0 | - | 4.96 | 134,537 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,128 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,148 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,994 |
| Flags with Crescents | 0 | - | 4.98 | 168,432 |
| Country Flag Trivia | 0 | - | 4.81 | 56,397 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,977 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,913 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,524 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,830 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,707 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,164 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,378 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,264 |
| National Football Team Logos | 0 | - | 4.85 | 179,495 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,715 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,224 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,723 |
| Old World... or New World? | 0 | - | 4.66 | 21,270 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,747 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,535 |
| Countries with Fjords | 0 | - | 4.93 | 100,464 |
| Years in History by Picture | 0 | - | 4.44 | 35,311 |
| Where Are These Doors? | 0 | - | 4.45 | 29,713 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,510 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,784 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,075 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,521 |
| Flags to Languages | 0 | - | 4.95 | 173,007 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,197 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,656 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,696 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,615 |
| Fruits by Picture | 0 | - | 4.20 | 805,883 |
| Old Movies by Picture | 0 | - | 4.51 | 24,957 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,829 |
| Name that Object #1 | 0 | - | 3.56 | 96,358 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,507 |
| Geography by Picture - B | 0 | - | 4.42 | 55,499 |
| Geography by Picture - H | 0 | - | 4.50 | 58,115 |
| Geography by Picture - N | 0 | - | 4.45 | 42,112 |
| Geography by Picture - R | 0 | - | 4.56 | 40,935 |
| Geography by Picture - T | 0 | - | 4.54 | 57,751 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,702 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,417 |
| Random Logos Quiz | 0 | - | 4.31 | 207,652 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,125 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,258 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,864 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,752 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,433 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,654 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,280 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,444 |
| Countries with the Most Lakes Over 100 Km² | 0 | - | 4.84 | 31,820 |
| Countries With No Rivers | 0 | - | 4.96 | 76,215 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,510 |
| Rivers in History | 0 | - | 4.91 | 33,040 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,838 |
| North Sea Countries | 0 | - | 4.92 | 86,782 |
| Black Sea Countries | 0 | - | 4.87 | 60,436 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,144 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,244 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,039 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,251 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,772 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,533 |
| Elements by Picture | 0 | - | 4.27 | 69,735 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,231 |
| Islands by Picture | 0 | - | 4.29 | 106,383 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,166 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,209 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,001 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,807 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,881 |
| International Footballers by Picture | 0 | - | 4.50 | 55,139 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,637 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,152 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,568 |
| Geography by Picture - A | 0 | - | 4.39 | 60,129 |
| Geography by Picture - D | 0 | - | 4.15 | 45,557 |
| Geography by Picture - F | 0 | - | 4.31 | 50,891 |
| Geography by Picture - G | 0 | - | 4.38 | 47,864 |
| Geography by Picture - J | 0 | - | 4.16 | 38,385 |
| Geography by Picture - K | 0 | - | 4.29 | 33,059 |
| Geography by Picture - C | 0 | - | 4.31 | 56,986 |
| Geography by Picture - L | 0 | - | 4.37 | 58,849 |
| Geography by Picture - M | 0 | - | 4.14 | 40,387 |
| Geography by Picture - P | 0 | - | 4.24 | 42,357 |
| Geography by Picture - S | 0 | - | 4.38 | 46,968 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,338 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,979 |
| Flag Maths | 0 | - | 4.64 | 57,706 |
| Satellite Images #1 | 0 | - | 4.46 | 129,172 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,131 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,775 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,774 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,884 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,648 |
| Soccer Team Logos | 0 | - | 4.26 | 372,508 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,411,214 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,128 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,528 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,255 |
| Movie Logos | 0 | - | 4.33 | 237,051 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,207 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,749 |
| History by Picture - A | 0 | - | 4.25 | 45,641 |
| History by Picture - B | 0 | - | 4.40 | 48,782 |
| History by Picture - C | 0 | - | 4.36 | 54,294 |
| History by Picture - F | 0 | - | 4.35 | 37,756 |
| History by Picture - G | 0 | - | 4.40 | 42,013 |
| History by Picture - D | 0 | - | 4.29 | 44,171 |
| History by Picture - E | 0 | - | 4.27 | 43,792 |
| History by Picture - H | 0 | - | 4.37 | 36,682 |
| History by Picture - K | 0 | - | 4.35 | 33,239 |
| History by Picture - M | 0 | - | 4.17 | 36,035 |
| History by Picture - N | 0 | - | 4.40 | 41,133 |
| History by Picture - O | 0 | - | 4.39 | 36,193 |
| History by Picture - T | 0 | - | 4.20 | 33,212 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,035 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,007 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,456 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,403 |
| Animal Adjectives | 0 | - | 4.77 | 59,918 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,187 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,821 |
| Bird in the Answers | 0 | - | 4.11 | 33,433 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,134 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,388 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,418 |
| African Great Lakes | 0 | - | 4.82 | 65,697 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,017 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,131 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,748 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,993 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,393 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,628 |
| Name that Object #2 | 0 | - | 3.64 | 15,359 |
| Authors by Picture | 0 | - | 4.48 | 25,466 |
| Name that Object #3 | 0 | - | 3.93 | 14,331 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,830 |
| WWII Figures by Picture | 0 | - | 4.89 | 63,896 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,405 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,469 |
