| Animals by Skeleton Image | 0 | - | 4.81 | 46,817 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,753 |
| Name that Bug | 0 | - | 4.12 | 45,612 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,847 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,914 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,420 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,271 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,139 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,433 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 87,448 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,876 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,750 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,412 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,263 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,460 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,749 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,528 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,356 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,452 |
| Animals in World History | 0 | - | 4.74 | 44,632 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,002 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,838 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,791 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,430 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,108 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,008 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,782 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,476 |
| Empires by Maps | 0 | - | 4.98 | 121,479 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,690 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,042 |
| Flowers by Picture | 0 | - | 4.46 | 105,812 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,951 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,579 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,969 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,649 |
| All Country Flags of the World | 0 | - | 5.00 | 3,700,288 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,342 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,458 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,511 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,449 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,081 |
| Play-Doh People from History | 0 | - | 4.99 | 95,337 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,434 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,848 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,923 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,943 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,441 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,986 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,611 |
| Extinct Animals | 0 | - | 4.16 | 27,556 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,290 |
| Animals in the News | 0 | - | 4.37 | 26,826 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,196 |
| Megadiverse Countries | 0 | - | 4.96 | 135,169 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,896 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,737 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,620 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,407 |
| Flags with Crescents | 0 | - | 4.98 | 170,947 |
| Country Flag Trivia | 0 | - | 4.81 | 57,769 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,601 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,179 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,275 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,740 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,776 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,887 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,329 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,402 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,138 |
| National Football Team Logos | 0 | - | 4.85 | 181,368 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,304 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,793 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,424 |
| Old World... or New World? | 0 | - | 4.66 | 21,409 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,910 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,965 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,989 |
| Countries with Fjords | 0 | - | 4.94 | 101,210 |
| Years in History by Picture | 0 | - | 4.44 | 35,700 |
| Where Are These Doors? | 0 | - | 4.45 | 30,156 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,279 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,873 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,964 |
| Flags to Languages | 0 | - | 4.95 | 174,282 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,901 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,582 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,147 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,645 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,587 |
| Fruits by Picture | 0 | - | 4.19 | 808,679 |
| Old Movies by Picture | 0 | - | 4.51 | 25,212 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,250 |
| Name that Object #1 | 0 | - | 3.57 | 96,573 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,786 |
| Geography by Picture - B | 0 | - | 4.42 | 55,741 |
| Geography by Picture - H | 0 | - | 4.50 | 58,341 |
| Geography by Picture - N | 0 | - | 4.45 | 42,313 |
| Geography by Picture - R | 0 | - | 4.56 | 41,117 |
| Geography by Picture - T | 0 | - | 4.54 | 57,961 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,328 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 542,795 |
| Random Logos Quiz | 0 | - | 4.33 | 209,130 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 116,004 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,587 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,227 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,193 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,756 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,953 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,334 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,811 |
| Countries With No Rivers | 0 | - | 4.96 | 77,058 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,780 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,133 |
| North Sea Countries | 0 | - | 4.92 | 87,623 |
| Black Sea Countries | 0 | - | 4.87 | 60,706 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,524 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,625 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,339 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,473 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,185 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,899 |
| Elements by Picture | 0 | - | 4.27 | 70,220 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,470 |
| Islands by Picture | 0 | - | 4.28 | 107,566 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,417 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,487 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,463 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,533 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,158 |
| International Footballers by Picture | 0 | - | 4.51 | 56,205 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,634 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,311 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,090 |
| Geography by Picture - A | 0 | - | 4.39 | 60,391 |
| Geography by Picture - D | 0 | - | 4.15 | 45,757 |
| Geography by Picture - F | 0 | - | 4.31 | 51,137 |
| Geography by Picture - G | 0 | - | 4.39 | 48,051 |
| Geography by Picture - J | 0 | - | 4.16 | 38,566 |
| Geography by Picture - K | 0 | - | 4.29 | 33,222 |
| Geography by Picture - C | 0 | - | 4.31 | 57,195 |
| Geography by Picture - L | 0 | - | 4.37 | 59,097 |
| Geography by Picture - M | 0 | - | 4.14 | 40,554 |
| Geography by Picture - P | 0 | - | 4.24 | 42,535 |
| Geography by Picture - S | 0 | - | 4.38 | 47,150 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,669 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,213 |
| Flag Maths | 0 | - | 4.61 | 57,816 |
| Satellite Images #1 | 0 | - | 4.47 | 129,602 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,498 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,084 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,110 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,108 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,445 |
| Soccer Team Logos | 0 | - | 4.26 | 376,748 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,434,201 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,360 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,749 |
| Movie Logos | 0 | - | 4.33 | 239,842 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,951 |
| History by Picture - A | 0 | - | 4.26 | 46,055 |
| History by Picture - B | 0 | - | 4.40 | 49,235 |
| History by Picture - C | 0 | - | 4.36 | 54,765 |
| History by Picture - F | 0 | - | 4.35 | 38,105 |
| History by Picture - G | 0 | - | 4.40 | 42,344 |
| History by Picture - D | 0 | - | 4.29 | 44,558 |
| History by Picture - E | 0 | - | 4.25 | 44,143 |
| History by Picture - H | 0 | - | 4.37 | 36,996 |
| History by Picture - K | 0 | - | 4.35 | 33,535 |
| History by Picture - M | 0 | - | 4.17 | 36,320 |
| History by Picture - N | 0 | - | 4.40 | 41,457 |
| History by Picture - O | 0 | - | 4.39 | 36,484 |
| History by Picture - T | 0 | - | 4.20 | 33,479 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,572 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,933 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,597 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,486 |
| Animal Adjectives | 0 | - | 4.77 | 60,159 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,296 |
| Bird in the Answers | 0 | - | 4.11 | 33,902 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,228 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,593 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,920 |
| African Great Lakes | 0 | - | 4.82 | 66,799 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,837 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,696 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,678 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,736 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,578 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,913 |
| Name that Object #2 | 0 | - | 3.64 | 15,494 |
| Authors by Picture | 0 | - | 4.48 | 25,609 |
| Name that Object #3 | 0 | - | 3.93 | 14,445 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,679 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,060 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,073 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,225 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,397 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,211 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,695 |
