| Fish by Picture #1 | 0 | - | 4.41 | 108,463 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,296 |
| Name that Bug | 0 | - | 4.12 | 45,538 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,380 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,649 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,566 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,180 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,692 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,338 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,974 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,028 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,343 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,060 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,093 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,535 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,177 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,058 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,483 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,288 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,711 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,850 |
| Animals in World History | 0 | - | 4.74 | 44,440 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,302 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,796 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,690 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,904 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,827 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,654 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 103,372 |
| Flowers by Picture | 0 | - | 4.46 | 105,598 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,605 |
| Empires by Maps | 0 | - | 4.98 | 120,065 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,542 |
| Airline Logos | 0 | - | 4.45 | 140,564 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,314 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,215 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,818 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,570 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,208 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,011 |
| Play-Doh People from History | 0 | - | 4.99 | 94,621 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,895 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,234 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,410 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,463 |
| All Country Flags of the World | 0 | - | 5.00 | 3,650,911 |
| Name the Cat Flags | 0 | - | 5.00 | 40,283 |
| Extinct Animals | 0 | - | 4.16 | 27,492 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,353 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,249 |
| Animals in the News | 0 | - | 4.37 | 26,781 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,264 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,949 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,300 |
| Megadiverse Countries | 0 | - | 4.96 | 134,781 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,299 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,127 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,983 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,814 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,708 |
| Brand Logos A-Z | 0 | - | 4.23 | 43,159 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,796 |
| Old World... or New World? | 0 | - | 4.66 | 21,310 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,430 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,383 |
| Flags with Crescents | 0 | - | 4.98 | 169,161 |
| Country Flag Trivia | 0 | - | 4.81 | 56,833 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,488 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,281 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,107 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,135 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,053 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,389 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,649 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,885 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,810 |
| NFL Football Team Logos | 0 | - | 4.91 | 626,523 |
| NBA Team Logos | 0 | - | 4.81 | 687,532 |
| National Football Team Logos | 0 | - | 4.85 | 180,032 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,252 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,744 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,770 |
| Countries with Fjords | 0 | - | 4.94 | 100,794 |
| Years in History by Picture | 0 | - | 4.44 | 35,453 |
| Where Are These Doors? | 0 | - | 4.45 | 29,937 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,573 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,780 |
| Flags to Languages | 0 | - | 4.95 | 173,442 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 186,837 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,420 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,414 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,835 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,040 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,019 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,911 |
| Fruits by Picture | 0 | - | 4.19 | 806,780 |
| Old Movies by Picture | 0 | - | 4.51 | 25,058 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,959 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,056 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,176 |
| Geography by Picture - B | 0 | - | 4.42 | 55,564 |
| Geography by Picture - H | 0 | - | 4.50 | 58,188 |
| Geography by Picture - N | 0 | - | 4.45 | 42,176 |
| Geography by Picture - R | 0 | - | 4.56 | 40,994 |
| Geography by Picture - T | 0 | - | 4.54 | 57,810 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,907 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 537,772 |
| Random Logos Quiz | 0 | - | 4.31 | 208,189 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,761 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,369 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,990 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,913 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,548 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,752 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,293 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,611 |
| Countries With No Rivers | 0 | - | 4.96 | 76,711 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,993 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,986 |
| North Sea Countries | 0 | - | 4.92 | 87,313 |
| Black Sea Countries | 0 | - | 4.87 | 60,579 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,326 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,423 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,192 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,317 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,889 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,620 |
| Elements by Picture | 0 | - | 4.27 | 69,862 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,288 |
| Islands by Picture | 0 | - | 4.29 | 106,772 |
| Name that Object #1 | 0 | - | 3.57 | 96,469 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,228 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,214 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,609 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,138 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,959 |
| International Footballers by Picture | 0 | - | 4.50 | 55,442 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,232 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,493 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,730 |
| Geography by Picture - A | 0 | - | 4.39 | 60,207 |
| Geography by Picture - D | 0 | - | 4.15 | 45,621 |
| Geography by Picture - F | 0 | - | 4.31 | 50,962 |
| Geography by Picture - G | 0 | - | 4.38 | 47,918 |
| Geography by Picture - J | 0 | - | 4.16 | 38,438 |
| Geography by Picture - K | 0 | - | 4.29 | 33,103 |
| Geography by Picture - C | 0 | - | 4.31 | 57,037 |
| Geography by Picture - L | 0 | - | 4.37 | 58,914 |
| Geography by Picture - M | 0 | - | 4.14 | 40,426 |
| Geography by Picture - P | 0 | - | 4.24 | 42,404 |
| Geography by Picture - S | 0 | - | 4.38 | 47,019 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,053 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,354 |
| Flag Maths | 0 | - | 4.64 | 57,746 |
| Satellite Images #1 | 0 | - | 4.47 | 129,307 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,248 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,870 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,872 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,946 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,876 |
| Soccer Team Logos | 0 | - | 4.26 | 373,798 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,418,766 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,652 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,417 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,731 |
| Movie Logos | 0 | - | 4.33 | 237,989 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,609 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,118 |
| History by Picture - A | 0 | - | 4.26 | 45,762 |
| History by Picture - B | 0 | - | 4.40 | 48,909 |
| History by Picture - C | 0 | - | 4.36 | 54,439 |
| History by Picture - F | 0 | - | 4.35 | 37,855 |
| History by Picture - G | 0 | - | 4.40 | 42,113 |
| History by Picture - D | 0 | - | 4.29 | 44,289 |
| History by Picture - E | 0 | - | 4.27 | 43,899 |
| History by Picture - H | 0 | - | 4.37 | 36,770 |
| History by Picture - K | 0 | - | 4.35 | 33,332 |
| History by Picture - M | 0 | - | 4.17 | 36,127 |
| History by Picture - N | 0 | - | 4.40 | 41,234 |
| History by Picture - O | 0 | - | 4.39 | 36,295 |
| History by Picture - T | 0 | - | 4.20 | 33,294 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,194 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,293 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,500 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,431 |
| Animal Adjectives | 0 | - | 4.77 | 59,969 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,246 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,982 |
| Bird in the Answers | 0 | - | 4.11 | 33,585 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,168 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,492 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,629 |
| African Great Lakes | 0 | - | 4.82 | 66,072 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,442 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,362 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,585 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,045 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,340 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,371 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,361 |
