| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,133 |
| Name that Bug | 0 | - | 4.12 | 45,507 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,214 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,382 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,451 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,080 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,470 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,067 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,672 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,726 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,319 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,184 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,954 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,033 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,067 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,387 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,774 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,264 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,605 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,502 |
| Animals in World History | 0 | - | 4.74 | 44,358 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,873 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,646 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,780 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,741 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,611 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,867 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,242 |
| Empires by Maps | 0 | - | 4.98 | 119,485 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,488 |
| Merged Company Logos #1 | 0 | - | 4.90 | 105,970 |
| Flowers by Picture | 0 | - | 4.46 | 105,144 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,390 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,045 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,751 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,549 |
| All Country Flags of the World | 0 | - | 5.00 | 3,633,079 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,310 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,149 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,276 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,121 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,524 |
| Play-Doh People from History | 0 | - | 4.99 | 94,344 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,662 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,048 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,229 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,292 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,711 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,018 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,624 |
| Name the Cat Flags | 0 | - | 5.00 | 40,190 |
| Extinct Animals | 0 | - | 4.21 | 27,457 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,230 |
| Animals in the News | 0 | - | 4.37 | 26,760 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,844 |
| Megadiverse Countries | 0 | - | 4.96 | 134,572 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,174 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,169 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,020 |
| Flags with Crescents | 0 | - | 4.98 | 168,548 |
| Country Flag Trivia | 0 | - | 4.81 | 56,488 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,065 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,980 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,634 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,882 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,765 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,208 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,431 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,366 |
| National Football Team Logos | 0 | - | 4.85 | 179,579 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,730 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,225 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,729 |
| Old World... or New World? | 0 | - | 4.66 | 21,279 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,754 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,589 |
| Countries with Fjords | 0 | - | 4.93 | 100,526 |
| Years in History by Picture | 0 | - | 4.44 | 35,344 |
| Where Are These Doors? | 0 | - | 4.45 | 29,801 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,561 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,787 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,149 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,529 |
| Flags to Languages | 0 | - | 4.95 | 173,077 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,233 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,675 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,737 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 17,825 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,661 |
| Fruits by Picture | 0 | - | 4.20 | 806,011 |
| Old Movies by Picture | 0 | - | 4.51 | 24,981 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,852 |
| Name that Object #1 | 0 | - | 3.57 | 96,413 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 48,558 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,606 |
| Geography by Picture - B | 0 | - | 4.42 | 55,508 |
| Geography by Picture - H | 0 | - | 4.50 | 58,127 |
| Geography by Picture - N | 0 | - | 4.45 | 42,119 |
| Geography by Picture - R | 0 | - | 4.56 | 40,948 |
| Geography by Picture - T | 0 | - | 4.54 | 57,755 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,728 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,804 |
| Random Logos Quiz | 0 | - | 4.31 | 207,764 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,250 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,278 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,890 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,781 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,459 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,674 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,284 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,479 |
| Countries with the Most Lakes Over 100 Km² | 0 | - | 4.84 | 31,865 |
| Countries With No Rivers | 0 | - | 4.96 | 76,248 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,556 |
| Rivers in History | 0 | - | 4.91 | 33,059 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,870 |
| North Sea Countries | 0 | - | 4.92 | 86,829 |
| Black Sea Countries | 0 | - | 4.87 | 60,468 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,169 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,278 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,064 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,259 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,799 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,554 |
| Elements by Picture | 0 | - | 4.27 | 69,754 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,234 |
| Islands by Picture | 0 | - | 4.29 | 106,422 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,172 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,258 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,025 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,838 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,897 |
| International Footballers by Picture | 0 | - | 4.50 | 55,186 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,737 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,201 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,590 |
| Geography by Picture - A | 0 | - | 4.39 | 60,142 |
| Geography by Picture - D | 0 | - | 4.15 | 45,568 |
| Geography by Picture - F | 0 | - | 4.31 | 50,903 |
| Geography by Picture - G | 0 | - | 4.38 | 47,874 |
| Geography by Picture - J | 0 | - | 4.16 | 38,390 |
| Geography by Picture - K | 0 | - | 4.29 | 33,064 |
| Geography by Picture - C | 0 | - | 4.31 | 56,996 |
| Geography by Picture - L | 0 | - | 4.37 | 58,854 |
| Geography by Picture - M | 0 | - | 4.14 | 40,392 |
| Geography by Picture - P | 0 | - | 4.24 | 42,364 |
| Geography by Picture - S | 0 | - | 4.38 | 46,979 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,430 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,036 |
| Flag Maths | 0 | - | 4.64 | 57,715 |
| Satellite Images #1 | 0 | - | 4.46 | 129,198 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,154 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,790 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,797 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,892 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,679 |
| Soccer Team Logos | 0 | - | 4.26 | 372,690 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,412,321 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,343 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,662 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,337 |
| Movie Logos | 0 | - | 4.33 | 237,193 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,266 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,814 |
| History by Picture - A | 0 | - | 4.25 | 45,656 |
| History by Picture - B | 0 | - | 4.40 | 48,806 |
| History by Picture - C | 0 | - | 4.36 | 54,318 |
| History by Picture - F | 0 | - | 4.35 | 37,770 |
| History by Picture - G | 0 | - | 4.40 | 42,027 |
| History by Picture - D | 0 | - | 4.29 | 44,193 |
| History by Picture - E | 0 | - | 4.27 | 43,805 |
| History by Picture - H | 0 | - | 4.37 | 36,692 |
| History by Picture - K | 0 | - | 4.35 | 33,255 |
| History by Picture - M | 0 | - | 4.17 | 36,055 |
| History by Picture - N | 0 | - | 4.40 | 41,150 |
| History by Picture - O | 0 | - | 4.39 | 36,204 |
| History by Picture - T | 0 | - | 4.20 | 33,227 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,063 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,037 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,462 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,410 |
| Animal Adjectives | 0 | - | 4.77 | 59,923 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,197 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,853 |
| Bird in the Answers | 0 | - | 4.11 | 33,448 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,140 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,410 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,445 |
| African Great Lakes | 0 | - | 4.82 | 65,740 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,054 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,161 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,776 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,012 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,449 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,636 |
| Name that Object #2 | 0 | - | 3.64 | 15,386 |
| Authors by Picture | 0 | - | 4.48 | 25,476 |
| Name that Object #3 | 0 | - | 3.93 | 14,349 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,872 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,309 |
