| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,284 |
| Name that Bug | 0 | - | 4.12 | 45,537 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,362 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,617 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,549 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,164 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,672 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,290 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,894 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,926 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,453 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,330 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,058 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,090 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,167 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,475 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,977 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,285 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,680 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,768 |
| Animals in World History | 0 | - | 4.74 | 44,433 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,175 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,688 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,870 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,814 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,653 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 98,783 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,572 |
| Empires by Maps | 0 | - | 4.98 | 120,002 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,531 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,276 |
| Flowers by Picture | 0 | - | 4.46 | 105,587 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,534 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,208 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,808 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,564 |
| All Country Flags of the World | 0 | - | 5.00 | 3,649,505 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,348 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,254 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,299 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,204 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,980 |
| Play-Doh People from History | 0 | - | 4.99 | 94,602 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,881 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,220 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,393 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,445 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,721 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,664 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,604 |
| Name the Cat Flags | 0 | - | 5.00 | 40,275 |
| Extinct Animals | 0 | - | 4.16 | 27,487 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,247 |
| Animals in the News | 0 | - | 4.37 | 26,778 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,940 |
| Megadiverse Countries | 0 | - | 4.96 | 134,765 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,362 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,288 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,118 |
| Flags with Crescents | 0 | - | 4.98 | 169,116 |
| Country Flag Trivia | 0 | - | 4.81 | 56,808 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,455 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,259 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,066 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,120 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,028 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,377 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,631 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,836 |
| National Football Team Logos | 0 | - | 4.85 | 179,992 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,792 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,249 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,743 |
| Old World... or New World? | 0 | - | 4.66 | 21,309 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,793 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,757 |
| Countries with Fjords | 0 | - | 4.94 | 100,780 |
| Click Timeline: Countries Independence | 0 | - | 4.92 | 61,991 |
| Click Timeline: Fictional Characters #1 | 0 | - | 4.98 | 82,798 |
| Country to Population Click Quiz | 0 | - | 4.98 | 43,714 |
| Click the Planet | 0 | - | 4.96 | 91,099 |
| Years in History by Picture | 0 | - | 4.44 | 35,445 |
| Where Are These Doors? | 0 | - | 4.45 | 29,929 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,767 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,807 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,391 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,572 |
| Flags to Languages | 0 | - | 4.95 | 173,419 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,401 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,792 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,957 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 20,984 |
| Click Timeline: Famous Buildings | 0 | - | 4.96 | 61,967 |
| Click the Movie Title Ending #1 | 0 | - | 4.96 | 126,844 |
| Click the Movie Title Ending #3 | 0 | - | 4.89 | 72,430 |
| Click the Movie Title Ending #5 | 0 | - | 4.86 | 36,301 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,897 |
| Fruits by Picture | 0 | - | 4.19 | 806,724 |
| Old Movies by Picture | 0 | - | 4.51 | 25,055 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,956 |
| Name that Object #1 | 0 | - | 3.57 | 96,467 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 48,986 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,126 |
| Geography by Picture - B | 0 | - | 4.42 | 55,560 |
| Geography by Picture - H | 0 | - | 4.50 | 58,183 |
| Geography by Picture - N | 0 | - | 4.45 | 42,173 |
| Geography by Picture - R | 0 | - | 4.56 | 40,989 |
| Geography by Picture - T | 0 | - | 4.54 | 57,806 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,895 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 537,619 |
| Random Logos Quiz | 0 | - | 4.31 | 208,160 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,711 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,361 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,980 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,907 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,544 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,747 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,293 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,603 |
| Countries with the Most Lakes Over 100 Km² | 0 | - | 4.83 | 32,166 |
| Countries With No Rivers | 0 | - | 4.96 | 76,702 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,982 |
| Rivers in History | 0 | - | 4.92 | 33,229 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,982 |
| North Sea Countries | 0 | - | 4.92 | 87,308 |
| Black Sea Countries | 0 | - | 4.87 | 60,575 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,318 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,415 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,185 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,311 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,877 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,613 |
| Elements by Picture | 0 | - | 4.27 | 69,846 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,285 |
| Islands by Picture | 0 | - | 4.29 | 106,750 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,221 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,580 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,129 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,038 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,953 |
| International Footballers by Picture | 0 | - | 4.50 | 55,427 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,185 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,472 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,720 |
| Geography by Picture - A | 0 | - | 4.39 | 60,201 |
| Geography by Picture - D | 0 | - | 4.15 | 45,616 |
| Geography by Picture - F | 0 | - | 4.31 | 50,956 |
| Geography by Picture - G | 0 | - | 4.38 | 47,914 |
| Geography by Picture - J | 0 | - | 4.16 | 38,433 |
| Geography by Picture - K | 0 | - | 4.29 | 33,100 |
| Geography by Picture - C | 0 | - | 4.31 | 57,033 |
| Geography by Picture - L | 0 | - | 4.37 | 58,908 |
| Geography by Picture - M | 0 | - | 4.14 | 40,424 |
| Geography by Picture - P | 0 | - | 4.24 | 42,401 |
| Geography by Picture - S | 0 | - | 4.38 | 47,016 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,013 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,328 |
| Flag Maths | 0 | - | 4.64 | 57,745 |
| Satellite Images #1 | 0 | - | 4.47 | 129,290 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,243 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,865 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,866 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,941 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,864 |
| Soccer Team Logos | 0 | - | 4.26 | 373,713 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,418,228 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,562 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,350 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,692 |
| Movie Logos | 0 | - | 4.33 | 237,913 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,581 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,093 |
| History by Picture - A | 0 | - | 4.26 | 45,751 |
| History by Picture - B | 0 | - | 4.40 | 48,902 |
| History by Picture - C | 0 | - | 4.36 | 54,427 |
| History by Picture - F | 0 | - | 4.35 | 37,849 |
| History by Picture - G | 0 | - | 4.40 | 42,106 |
| History by Picture - D | 0 | - | 4.29 | 44,278 |
| History by Picture - E | 0 | - | 4.27 | 43,888 |
| History by Picture - H | 0 | - | 4.37 | 36,761 |
| History by Picture - K | 0 | - | 4.35 | 33,328 |
| History by Picture - M | 0 | - | 4.17 | 36,121 |
| History by Picture - N | 0 | - | 4.40 | 41,226 |
| History by Picture - O | 0 | - | 4.39 | 36,283 |
| History by Picture - T | 0 | - | 4.20 | 33,285 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,182 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,270 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,494 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,429 |
| Animal Adjectives | 0 | - | 4.77 | 59,967 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,243 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,971 |
| Bird in the Answers | 0 | - | 4.11 | 33,570 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,166 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,488 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,624 |
| African Great Lakes | 0 | - | 4.82 | 66,054 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,356 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,347 |
| Word Addition Click Quiz #1 | 0 | - | 4.73 | 49,523 |