| Animals by Skeleton Image | 0 | - | 4.81 | 47,058 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,997 |
| Name that Bug | 0 | - | 4.12 | 45,660 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,564 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,070 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,553 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,576 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,790 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,904 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,832 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,143 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,983 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,573 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,390 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,640 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,881 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,786 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,403 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,765 |
| Animals in World History | 0 | - | 4.74 | 44,721 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,286 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,949 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,838 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,547 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,234 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,121 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,851 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,239 |
| Empires by Maps | 0 | - | 4.98 | 122,597 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,778 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,663 |
| Flowers by Picture | 0 | - | 4.46 | 105,893 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,144 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,756 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,039 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,688 |
| All Country Flags of the World | 0 | - | 5.00 | 3,725,925 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,360 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,512 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,631 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,606 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,708 |
| Play-Doh People from History | 0 | - | 4.99 | 95,791 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,753 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,147 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,208 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,299 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,999 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,349 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,186 |
| Name the Cat Flags | 0 | - | 5.00 | 40,679 |
| Extinct Animals | 0 | - | 4.13 | 27,595 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,326 |
| Animals in the News | 0 | - | 4.37 | 26,848 |
| Click the Animal Adjective | 0 | - | 4.92 | 58,829 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,334 |
| Megadiverse Countries | 0 | - | 4.96 | 149,403 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,210 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,808 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,793 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,545 |
| Flags with Crescents | 0 | - | 4.98 | 171,789 |
| Country Flag Trivia | 0 | - | 4.82 | 58,324 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,197 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,653 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,925 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,140 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,193 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,205 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,646 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,114 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 185,002 |
| National Football Team Logos | 0 | - | 4.85 | 182,339 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,330 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,829 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,550 |
| Old World... or New World? | 0 | - | 4.66 | 21,488 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,968 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 19,060 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,257 |
| Countries with Fjords | 0 | - | 4.94 | 101,614 |
| Click Timeline: Countries Independence | 0 | - | 4.92 | 62,901 |
| Click Timeline: Fictional Characters #1 | 0 | - | 4.98 | 83,726 |
| Country to Population Click Quiz | 0 | - | 4.98 | 44,778 |
| Click the Planet | 0 | - | 4.96 | 92,405 |
| Years in History by Picture | 0 | - | 4.45 | 35,948 |
| Where Are These Doors? | 0 | - | 4.45 | 30,274 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,557 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,914 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,461 |
| Flags to Languages | 0 | - | 4.95 | 174,711 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,151 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,879 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,315 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,859 |
| Click Timeline: Famous Buildings | 0 | - | 4.96 | 62,958 |
| Click the Movie Title Ending #1 | 0 | - | 4.96 | 128,905 |
| Click the Movie Title Ending #3 | 0 | - | 4.89 | 73,593 |
| Click the Movie Title Ending #5 | 0 | - | 4.87 | 37,390 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,896 |
| Fruits by Picture | 0 | - | 4.19 | 809,870 |
| Old Movies by Picture | 0 | - | 4.51 | 25,295 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,352 |
| Name that Object #1 | 0 | - | 3.57 | 96,653 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 50,387 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,113 |
| Geography by Picture - B | 0 | - | 4.42 | 55,838 |
| Geography by Picture - H | 0 | - | 4.50 | 58,438 |
| Geography by Picture - N | 0 | - | 4.45 | 42,403 |
| Geography by Picture - R | 0 | - | 4.56 | 41,200 |
| Geography by Picture - T | 0 | - | 4.54 | 58,054 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,673 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,302 |
| Random Logos Quiz | 0 | - | 4.33 | 209,961 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,670 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,700 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,327 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,320 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,851 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,062 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,360 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,906 |
| Countries with the Most Lakes Over 100 Km² | 0 | - | 4.85 | 32,835 |
| Countries With No Rivers | 0 | - | 4.96 | 77,262 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,158 |
| Rivers in History | 0 | - | 4.92 | 33,529 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,228 |
| North Sea Countries | 0 | - | 4.92 | 87,794 |
| Black Sea Countries | 0 | - | 4.87 | 60,807 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,666 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,759 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,442 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,427 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,561 |
| Elements by Picture | 0 | - | 4.27 | 70,404 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,555 |
| Islands by Picture | 0 | - | 4.28 | 107,972 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,489 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,634 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,841 |
| International Footballers by Picture | 0 | - | 4.51 | 56,637 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,470 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,708 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,793 |
| Geography by Picture - A | 0 | - | 4.39 | 60,498 |
| Geography by Picture - D | 0 | - | 4.15 | 45,832 |
| Geography by Picture - F | 0 | - | 4.31 | 51,239 |
| Geography by Picture - G | 0 | - | 4.39 | 48,129 |
| Geography by Picture - J | 0 | - | 4.16 | 38,642 |
| Geography by Picture - K | 0 | - | 4.29 | 33,300 |
| Geography by Picture - C | 0 | - | 4.31 | 57,287 |
| Geography by Picture - L | 0 | - | 4.37 | 59,190 |
| Geography by Picture - M | 0 | - | 4.14 | 40,630 |
| Geography by Picture - P | 0 | - | 4.24 | 42,613 |
| Geography by Picture - S | 0 | - | 4.38 | 47,220 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,446 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,707 |
| Flag Maths | 0 | - | 4.61 | 57,868 |
| Satellite Images #1 | 0 | - | 4.46 | 130,123 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,951 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,474 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,317 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,281 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,692 |
| Soccer Team Logos | 0 | - | 4.26 | 378,382 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,441,837 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,364 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,293 |
| Movie Logos | 0 | - | 4.33 | 240,842 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,362 |
| History by Picture - A | 0 | - | 4.26 | 46,233 |
| History by Picture - B | 0 | - | 4.40 | 49,435 |
| History by Picture - C | 0 | - | 4.33 | 54,976 |
| History by Picture - F | 0 | - | 4.35 | 38,271 |
| History by Picture - G | 0 | - | 4.40 | 42,505 |
| History by Picture - D | 0 | - | 4.29 | 44,731 |
| History by Picture - E | 0 | - | 4.25 | 44,315 |
| History by Picture - H | 0 | - | 4.37 | 37,152 |
| History by Picture - K | 0 | - | 4.35 | 33,677 |
| History by Picture - M | 0 | - | 4.17 | 36,456 |
| History by Picture - N | 0 | - | 4.40 | 41,594 |
| History by Picture - O | 0 | - | 4.39 | 36,609 |
| History by Picture - T | 0 | - | 4.20 | 33,604 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,877 |
| Movies by Screenshot | 0 | - | 4.45 | 92,410 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,259 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,656 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,513 |
| Animal Adjectives | 0 | - | 4.77 | 60,244 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,450 |
| Bird in the Answers | 0 | - | 4.11 | 34,036 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,258 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,703 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,082 |
| African Great Lakes | 0 | - | 4.82 | 67,135 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,114 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,906 |
| Word Addition Click Quiz #1 | 0 | - | 4.73 | 50,232 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,998 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,130 |