| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,772 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,926 |
| 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 | 91,047 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,548 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,270 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,374 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,039 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,846 |
| 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 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,166 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,342 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,220 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,968 |
| Animals in World History | 0 | - | 4.74 | 44,195 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,430 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,462 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,579 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,594 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,582 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,495 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,760 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,348 |
| Empires by Maps | 0 | - | 4.98 | 118,219 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,381 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,319 |
| Flowers by Picture | 0 | - | 4.46 | 104,987 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,057 |
| 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 | 3,595,679 |
| "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 | 58,956 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,634 |
| Play-Doh People from History | 0 | - | 4.99 | 93,723 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,230 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,670 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 48,818 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,965 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,952 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,769 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,220 |
| Name the Cat Flags | 0 | - | 5.00 | 40,016 |
| Extinct Animals | 0 | - | 4.18 | 27,395 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,206 |
| Animals in the News | 0 | - | 4.37 | 26,709 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,642 |
| Megadiverse Countries | 0 | - | 4.97 | 133,841 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,729 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,907 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,803 |
| Flags with Crescents | 0 | - | 4.98 | 167,338 |
| Country Flag Trivia | 0 | - | 4.81 | 55,805 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,269 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,361 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,763 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,365 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,292 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 59,837 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,951 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,383 |
| National Football Team Logos | 0 | - | 4.84 | 178,444 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,585 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,190 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Old World... or New World? | 0 | - | 4.66 | 21,191 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,660 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,341 |
| Countries with Fjords | 0 | - | 4.93 | 100,160 |
| Years in History by Picture | 0 | - | 4.44 | 35,061 |
| Where Are These Doors? | 0 | - | 4.45 | 29,537 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,140 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,734 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,664 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,431 |
| Flags to Languages | 0 | - | 4.95 | 172,368 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,138 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,236 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,241 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,183 |
| Fruits by Picture | 0 | - | 4.20 | 804,370 |
| Old Movies by Picture | 0 | - | 4.51 | 24,765 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,636 |
| Name that Object #1 | 0 | - | 3.56 | 96,276 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,268 |
| Geography by Picture - B | 0 | - | 4.42 | 55,389 |
| 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 | 62,370 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,256 |
| Random Logos Quiz | 0 | - | 4.32 | 206,887 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,027 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,094 |
| 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 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,263 |
| Countries With No Rivers | 0 | - | 4.96 | 75,993 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,182 |
| Rivers in History | 0 | - | 4.91 | 32,900 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,726 |
| North Sea Countries | 0 | - | 4.92 | 86,574 |
| Black Sea Countries | 0 | - | 4.87 | 60,311 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 64,986 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,083 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,929 |
| 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 | 24,010 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,369 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,795 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,447 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,737 |
| International Footballers by Picture | 0 | - | 4.50 | 54,600 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,370 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,508 |
| 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 | 45,469 |
| 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 | 278,129 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,339 |
| 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 | 88,618 |
| 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 | 370,320 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,467 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,774 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,937 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,491 |
| Movie Logos | 0 | - | 4.33 | 235,553 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,662 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,101 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,148 |
| History by Picture - A | 0 | - | 4.25 | 45,422 |
| History by Picture - B | 0 | - | 4.40 | 48,535 |
| 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 | 36,499 |
| History by Picture - K | 0 | - | 4.35 | 33,075 |
| History by Picture - M | 0 | - | 4.17 | 35,881 |
| History by Picture - N | 0 | - | 4.40 | 40,962 |
| History by Picture - O | 0 | - | 4.39 | 35,998 |
| History by Picture - T | 0 | - | 4.20 | 33,057 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,792 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 149,550 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,372 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,343 |
| Animal Adjectives | 0 | - | 4.77 | 59,811 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,079 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,530 |
| Bird in the Answers | 0 | - | 4.10 | 33,218 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,090 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,323 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,193 |
| African Great Lakes | 0 | - | 4.82 | 65,060 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,638 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,844 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,400 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,570 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,795 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,513 |
| 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 | 79,363 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,431 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,980 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,108 |
