| Animals by Skeleton Image | 0 | - | 4.81 | 47,095 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 56,030 |
| Name that Bug | 0 | - | 4.12 | 45,665 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,629 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,094 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,574 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,633 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,824 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,944 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,857 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,176 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,021 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,595 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,400 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,658 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,900 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,813 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,408 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,955 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,796 |
| Animals in World History | 0 | - | 4.74 | 44,734 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,313 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,844 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,253 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,145 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,866 |
| Top 15 Countries with the Most Cows | 0 | - | 4.72 | 107,556 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,320 |
| Empires by Maps | 0 | - | 4.98 | 122,735 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,792 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,752 |
| Flowers by Picture | 0 | - | 4.46 | 105,908 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,183 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,781 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,050 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,691 |
| All Country Flags of the World | 0 | - | 5.00 | 3,730,549 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,522 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,661 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,363 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,627 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,814 |
| Play-Doh People from History | 0 | - | 4.99 | 95,864 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,802 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,213 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,257 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,333 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,761 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,778 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,470 |
| Name the Cat Flags | 0 | - | 5.00 | 40,720 |
| Extinct Animals | 0 | - | 4.13 | 27,600 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,332 |
| Animals in the News | 0 | - | 4.37 | 26,851 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,352 |
| Megadiverse Countries | 0 | - | 4.96 | 149,865 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,263 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,815 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,829 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,564 |
| Flags with Crescents | 0 | - | 4.98 | 171,908 |
| Country Flag Trivia | 0 | - | 4.82 | 58,409 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,292 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,727 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,030 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,189 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,244 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,265 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,703 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,221 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 185,295 |
| National Football Team Logos | 0 | - | 4.82 | 196,155 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 19,076 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,337 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,835 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,560 |
| Old World... or New World? | 0 | - | 4.66 | 21,494 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,977 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,285 |
| Countries with Fjords | 0 | - | 4.94 | 101,667 |
| Years in History by Picture | 0 | - | 4.45 | 35,971 |
| Where Are These Doors? | 0 | - | 4.45 | 30,288 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,605 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,920 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,530 |
| Flags to Languages | 0 | - | 4.95 | 174,904 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,196 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,334 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,911 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,889 |
| Fruits by Picture | 0 | - | 4.19 | 810,024 |
| Old Movies by Picture | 0 | - | 4.51 | 25,306 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,370 |
| Name that Object #1 | 0 | - | 3.57 | 96,658 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,299 |
| Geography by Picture - B | 0 | - | 4.42 | 55,850 |
| Geography by Picture - H | 0 | - | 4.50 | 58,451 |
| Geography by Picture - N | 0 | - | 4.45 | 42,414 |
| Geography by Picture - R | 0 | - | 4.56 | 41,211 |
| Geography by Picture - T | 0 | - | 4.54 | 58,070 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,735 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,747 |
| Random Logos Quiz | 0 | - | 4.33 | 210,054 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,786 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,718 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,348 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,339 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,873 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,079 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,959 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,365 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,923 |
| Countries With No Rivers | 0 | - | 4.96 | 77,297 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,219 |
| Rivers in History | 0 | - | 4.92 | 33,542 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,240 |
| North Sea Countries | 0 | - | 4.92 | 87,830 |
| Black Sea Countries | 0 | - | 4.87 | 60,825 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,689 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,788 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,449 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,572 |
| Elements by Picture | 0 | - | 4.27 | 70,428 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,565 |
| Islands by Picture | 0 | - | 4.28 | 108,065 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,507 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,659 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,879 |
| International Footballers by Picture | 0 | - | 4.51 | 56,928 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,652 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,815 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,851 |
| Geography by Picture - A | 0 | - | 4.39 | 60,507 |
| Geography by Picture - D | 0 | - | 4.15 | 45,837 |
| Geography by Picture - F | 0 | - | 4.31 | 51,249 |
| Geography by Picture - G | 0 | - | 4.39 | 48,141 |
| Geography by Picture - J | 0 | - | 4.16 | 38,650 |
| Geography by Picture - K | 0 | - | 4.29 | 33,308 |
| Geography by Picture - C | 0 | - | 4.31 | 57,304 |
| Geography by Picture - L | 0 | - | 4.37 | 59,202 |
| Geography by Picture - M | 0 | - | 4.14 | 40,641 |
| Geography by Picture - P | 0 | - | 4.24 | 42,623 |
| Geography by Picture - S | 0 | - | 4.38 | 47,231 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,571 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,813 |
| Flag Maths | 0 | - | 4.61 | 57,873 |
| Satellite Images #1 | 0 | - | 4.46 | 130,158 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,009 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,505 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,344 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,301 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,735 |
| Soccer Team Logos | 0 | - | 4.26 | 378,921 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,443,002 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,523 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,388 |
| Movie Logos | 0 | - | 4.33 | 241,009 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,427 |
| History by Picture - A | 0 | - | 4.26 | 46,272 |
| History by Picture - B | 0 | - | 4.40 | 49,476 |
| History by Picture - C | 0 | - | 4.33 | 55,020 |
| History by Picture - F | 0 | - | 4.35 | 38,297 |
| History by Picture - G | 0 | - | 4.40 | 42,531 |
| History by Picture - D | 0 | - | 4.29 | 44,768 |
| History by Picture - E | 0 | - | 4.25 | 44,340 |
| History by Picture - H | 0 | - | 4.37 | 37,178 |
| History by Picture - K | 0 | - | 4.35 | 33,699 |
| History by Picture - M | 0 | - | 4.17 | 36,477 |
| History by Picture - N | 0 | - | 4.40 | 41,618 |
| History by Picture - O | 0 | - | 4.40 | 36,630 |
| History by Picture - T | 0 | - | 4.20 | 33,619 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,912 |
| Baby, Male and Female Animals | 0 | - | 4.41 | 151,314 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,661 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,514 |
| Animal Adjectives | 0 | - | 4.77 | 60,253 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,492 |
| Bird in the Answers | 0 | - | 4.11 | 34,052 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,263 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,710 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,121 |
| African Great Lakes | 0 | - | 4.82 | 67,211 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,166 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,940 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 120,050 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,176 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 270,013 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,053 |
| Name that Object #2 | 0 | - | 3.63 | 15,555 |
| Authors by Picture | 0 | - | 4.48 | 25,662 |
| Name that Object #3 | 0 | - | 3.93 | 14,488 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,205 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,559 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,301 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,543 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,646 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,424 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,896 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 249,558 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,445 |
