| Flowers by Picture | 0 | - | 4.46 | 105,904 |
| Plants by Picture | 0 | - | 4.24 | 14,541 |
| Trees in the Answer | 0 | - | 4.23 | 45,957 |
| Name that Bug | 0 | - | 4.12 | 45,663 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,303 |
| Empires by Maps | 0 | - | 4.98 | 122,709 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,735 |
| Famous Trees in Nature and Fiction | 0 | - | 4.38 | 18,512 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,331 |
| All Country Flags of the World | 0 | - | 5.00 | 3,729,358 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,624 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,408 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,791 |
| Play-Doh People from History | 0 | - | 4.99 | 95,845 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,789 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,192 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,247 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,326 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,556 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,674 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,398 |
| Megadiverse Countries | 0 | - | 4.96 | 149,789 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,295 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,087 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,253 |
| Flags with Crescents | 0 | - | 4.98 | 171,879 |
| Country Flag Trivia | 0 | - | 4.82 | 58,390 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,264 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,707 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,013 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,175 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,235 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,252 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,692 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,201 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 185,245 |
| National Football Team Logos | 0 | - | 4.82 | 195,065 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,558 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,276 |
| Countries with Fjords | 0 | - | 4.94 | 101,658 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,963 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,778 |
| Years in History by Picture | 0 | - | 4.45 | 35,965 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,590 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,519 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,454 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,190 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,725 |
| Animal Stereotypes | 0 | - | 4.48 | 37,585 |
| Animal Ranges - Do They Live There? | 0 | - | 4.70 | 44,536 |
| Flags to Languages | 0 | - | 4.95 | 174,792 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,188 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,895 |
| Head to Head - Animals | 0 | - | 4.88 | 70,160 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,884 |
| Bodies of Water on the World Map | 0 | - | 5.00 | 53,397 |
| World's Longest Rivers | 0 | - | 4.89 | 137,882 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 166,062 |
| Fruits by Picture | 0 | - | 4.19 | 809,999 |
| Old Movies by Picture | 0 | - | 4.51 | 25,300 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,360 |
| Name that Object #1 | 0 | - | 3.57 | 96,657 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 56,021 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,254 |
| Geography by Picture - B | 0 | - | 4.42 | 55,845 |
| Geography by Picture - H | 0 | - | 4.50 | 58,446 |
| Geography by Picture - N | 0 | - | 4.45 | 42,411 |
| Geography by Picture - R | 0 | - | 4.56 | 41,209 |
| Geography by Picture - T | 0 | - | 4.54 | 58,067 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,722 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,653 |
| Random Logos Quiz | 0 | - | 4.33 | 210,038 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,770 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,713 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,341 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,334 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,867 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,075 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,944 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,991 |
| Types of Bears | 0 | - | 4.50 | 144,016 |
| Deadly Animals | 0 | - | 4.02 | 110,873 |
| Famous Animals #1 | 0 | - | 4.03 | 240,082 |
| Famous Animals #2 | 0 | - | 4.02 | 57,625 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,446 |
| Animal Facts | 0 | - | 4.15 | 43,064 |
| Cat Knowledge | 0 | - | 4.49 | 25,891 |
| Bear Knowledge | 0 | - | 4.54 | 35,192 |
| Cow Knowledge | 0 | - | 4.46 | 24,328 |
| Elephant Knowledge | 0 | - | 4.41 | 24,033 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,426 |
| Animals in World History | 0 | - | 4.74 | 44,734 |
| Human Taxonomy | 0 | - | 4.70 | 19,006 |
| World Bee Day Quiz | 0 | - | 4.48 | 11,535 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,947 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,519 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 57,039 |
| Countries With No Rivers | 0 | - | 4.96 | 77,289 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,205 |
| 50 Rivers on a World Map | 0 | - | 4.96 | 38,594 |
| 100 Rivers on a World Map | 0 | - | 4.99 | 102,014 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,236 |
| North Sea Countries | 0 | - | 4.92 | 87,821 |
| Black Sea Countries | 0 | - | 4.87 | 60,821 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,682 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,778 |
| Seas on the World Map | 0 | - | 4.96 | 136,179 |
| Seas of the World | 0 | - | 5.00 | 158,990 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,443 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 79,532 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 59,906 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 56,325 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,571 |
| Elements by Picture | 0 | - | 4.27 | 70,422 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,563 |
| Islands by Picture | 0 | - | 4.28 | 108,025 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,498 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,651 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,611 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,087 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,571 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,622 |
| International Footballers by Picture | 0 | - | 4.51 | 56,884 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,606 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,794 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,835 |
| Geography by Picture - A | 0 | - | 4.39 | 60,504 |
| Geography by Picture - D | 0 | - | 4.15 | 45,836 |
| Geography by Picture - F | 0 | - | 4.31 | 51,248 |
| Geography by Picture - G | 0 | - | 4.39 | 48,139 |
| Geography by Picture - J | 0 | - | 4.16 | 38,649 |
| Geography by Picture - K | 0 | - | 4.29 | 33,305 |
| Geography by Picture - C | 0 | - | 4.31 | 57,299 |
| Geography by Picture - L | 0 | - | 4.37 | 59,196 |
| Geography by Picture - M | 0 | - | 4.14 | 40,638 |
| Geography by Picture - P | 0 | - | 4.24 | 42,620 |
| Geography by Picture - S | 0 | - | 4.38 | 47,229 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,532 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,790 |
| Flag Maths | 0 | - | 4.61 | 57,871 |
| Satellite Images #1 | 0 | - | 4.46 | 130,150 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,003 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,497 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,341 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,298 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,726 |
| Soccer Team Logos | 0 | - | 4.26 | 378,811 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,442,734 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,492 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,367 |
| Movie Logos | 0 | - | 4.33 | 240,966 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,412 |
| History by Picture - A | 0 | - | 4.26 | 46,269 |
| History by Picture - B | 0 | - | 4.40 | 49,469 |
| History by Picture - C | 0 | - | 4.33 | 55,013 |
| History by Picture - F | 0 | - | 4.35 | 38,293 |
| History by Picture - G | 0 | - | 4.40 | 42,528 |
| History by Picture - D | 0 | - | 4.29 | 44,766 |
| History by Picture - E | 0 | - | 4.25 | 44,337 |
| History by Picture - H | 0 | - | 4.37 | 37,173 |
| History by Picture - K | 0 | - | 4.35 | 33,696 |
| History by Picture - M | 0 | - | 4.17 | 36,476 |
| History by Picture - N | 0 | - | 4.40 | 41,616 |
| History by Picture - O | 0 | - | 4.40 | 36,629 |
| History by Picture - T | 0 | - | 4.20 | 33,618 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,905 |
| French Animal Words | 0 | - | 4.44 | 135,151 |
| Spanish Animal Words | 0 | - | 4.53 | 96,030 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,659 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,514 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,862 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,929 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,478 |
| Bird in the Answers | 0 | - | 4.11 | 34,046 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,263 |
| Horse Knowledge | 0 | - | 4.46 | 24,157 |
| Snake Knowledge | 0 | - | 4.49 | 18,895 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,709 |
| Geologic Time Scale | 0 | - | 4.41 | 10,085 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,108 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,225 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,154 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,928 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 120,032 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,163 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,991 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,046 |
| Name that Object #2 | 0 | - | 3.63 | 15,555 |
| Authors by Picture | 0 | - | 4.48 | 25,660 |
| Name that Object #3 | 0 | - | 3.93 | 14,486 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,189 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,549 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,292 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,528 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,631 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,417 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,162 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,011 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,591 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,395 |
