| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,959 |
| Name that Bug | 0 | - | 4.12 | 45,471 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,089 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,097 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,334 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,990 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,276 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,849 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,492 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,581 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,191 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,032 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,850 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,961 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,956 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,291 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,601 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,245 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,267 |
| Animals in World History | 0 | - | 4.74 | 44,280 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,710 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,558 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,622 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,710 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,674 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,554 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,824 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,848 |
| Empires by Maps | 0 | - | 4.98 | 118,877 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,442 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,616 |
| Flowers by Picture | 0 | - | 4.46 | 105,072 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,244 |
| Countries with More Cows than People | 0 | - | 4.45 | 60,125 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,670 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,517 |
| All Country Flags of the World | 0 | - | 5.00 | 3,614,876 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,251 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,055 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,262 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,051 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,058 |
| Play-Doh People from History | 0 | - | 4.99 | 94,039 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,449 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,851 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,023 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,138 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,641 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,509 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,433 |
| Name the Cat Flags | 0 | - | 5.00 | 40,099 |
| Extinct Animals | 0 | - | 4.18 | 27,429 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,218 |
| Animals in the News | 0 | - | 4.37 | 26,733 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,757 |
| Megadiverse Countries | 0 | - | 4.97 | 134,098 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,967 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,052 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,931 |
| Flags with Crescents | 0 | - | 4.98 | 167,941 |
| Country Flag Trivia | 0 | - | 4.81 | 56,137 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,667 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,647 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,181 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,625 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,533 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,025 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,200 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,891 |
| National Football Team Logos | 0 | - | 4.84 | 179,033 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,649 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,209 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,704 |
| Old World... or New World? | 0 | - | 4.66 | 21,230 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,714 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,434 |
| Countries with Fjords | 0 | - | 4.93 | 100,311 |
| Years in History by Picture | 0 | - | 4.44 | 35,191 |
| Where Are These Doors? | 0 | - | 4.45 | 29,661 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,359 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,758 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,905 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,481 |
| Flags to Languages | 0 | - | 4.95 | 172,732 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,173 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,560 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,521 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,426 |
| Fruits by Picture | 0 | - | 4.20 | 805,222 |
| Old Movies by Picture | 0 | - | 4.51 | 24,882 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,751 |
| Name that Object #1 | 0 | - | 3.56 | 96,334 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,931 |
| Geography by Picture - B | 0 | - | 4.42 | 55,459 |
| Geography by Picture - H | 0 | - | 4.50 | 58,083 |
| Geography by Picture - N | 0 | - | 4.45 | 42,078 |
| Geography by Picture - R | 0 | - | 4.55 | 40,907 |
| Geography by Picture - T | 0 | - | 4.54 | 57,715 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,570 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 533,773 |
| Random Logos Quiz | 0 | - | 4.31 | 207,298 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,624 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,187 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,782 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,677 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,367 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,574 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,264 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,356 |
| Countries With No Rivers | 0 | - | 4.96 | 76,112 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,359 |
| Rivers in History | 0 | - | 4.91 | 32,972 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,784 |
| North Sea Countries | 0 | - | 4.92 | 86,683 |
| Black Sea Countries | 0 | - | 4.87 | 60,379 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,079 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,162 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,991 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,207 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,685 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,469 |
| Elements by Picture | 0 | - | 4.28 | 69,641 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,193 |
| Islands by Picture | 0 | - | 4.29 | 106,124 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,101 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,958 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,920 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,645 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,821 |
| International Footballers by Picture | 0 | - | 4.50 | 54,913 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,090 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,862 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,408 |
| Geography by Picture - A | 0 | - | 4.39 | 60,088 |
| Geography by Picture - D | 0 | - | 4.15 | 45,530 |
| Geography by Picture - F | 0 | - | 4.31 | 50,860 |
| Geography by Picture - G | 0 | - | 4.38 | 47,831 |
| Geography by Picture - J | 0 | - | 4.16 | 38,358 |
| Geography by Picture - K | 0 | - | 4.29 | 33,038 |
| Geography by Picture - C | 0 | - | 4.31 | 56,945 |
| Geography by Picture - L | 0 | - | 4.37 | 58,801 |
| Geography by Picture - M | 0 | - | 4.14 | 40,365 |
| Geography by Picture - P | 0 | - | 4.24 | 42,325 |
| Geography by Picture - S | 0 | - | 4.38 | 46,938 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,818 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,707 |
| Flag Maths | 0 | - | 4.78 | 57,692 |
| Satellite Images #1 | 0 | - | 4.46 | 129,092 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,051 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,712 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,704 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,851 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,500 |
| Soccer Team Logos | 0 | - | 4.26 | 371,574 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,406,440 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,096 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,866 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,919 |
| Movie Logos | 0 | - | 4.33 | 236,404 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,990 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,387 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,505 |
| History by Picture - A | 0 | - | 4.25 | 45,526 |
| History by Picture - B | 0 | - | 4.40 | 48,656 |
| History by Picture - C | 0 | - | 4.36 | 54,167 |
| History by Picture - F | 0 | - | 4.35 | 37,659 |
| History by Picture - G | 0 | - | 4.40 | 41,910 |
| History by Picture - D | 0 | - | 4.29 | 44,079 |
| History by Picture - E | 0 | - | 4.27 | 43,692 |
| History by Picture - H | 0 | - | 4.37 | 36,601 |
| History by Picture - K | 0 | - | 4.35 | 33,161 |
| History by Picture - M | 0 | - | 4.17 | 35,964 |
| History by Picture - N | 0 | - | 4.40 | 41,048 |
| History by Picture - O | 0 | - | 4.39 | 36,097 |
| History by Picture - T | 0 | - | 4.20 | 33,144 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,944 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,810 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,423 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,375 |
| Animal Adjectives | 0 | - | 4.77 | 59,868 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,141 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,691 |
| Bird in the Answers | 0 | - | 4.10 | 33,338 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,119 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,360 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,321 |
| African Great Lakes | 0 | - | 4.82 | 65,410 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,871 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,018 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,593 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,828 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,144 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,573 |
| Name that Object #2 | 0 | - | 3.64 | 15,344 |
| Authors by Picture | 0 | - | 4.48 | 25,421 |
| Name that Object #3 | 0 | - | 3.93 | 14,319 |
| Fruit and Vegetable Emojis | 0 | - | 4.43 | 79,655 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,674 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,254 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,323 |
