| Flowers by Picture | 0 | - | 4.46 | 105,900 |
| Plants by Picture | 0 | - | 4.24 | 14,537 |
| Trees in the Answer | 0 | - | 4.23 | 45,956 |
| Name that Bug | 0 | - | 4.12 | 45,662 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,283 |
| Empires by Maps | 0 | - | 4.98 | 122,673 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,714 |
| Famous Trees in Nature and Fiction | 0 | - | 4.38 | 18,510 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,330 |
| All Country Flags of the World | 0 | - | 5.00 | 3,728,132 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,615 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,408 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,745 |
| Play-Doh People from History | 0 | - | 4.99 | 95,829 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,782 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,180 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,235 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,321 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,351 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,562 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,321 |
| Megadiverse Countries | 0 | - | 4.96 | 149,686 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,286 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,079 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,236 |
| Flags with Crescents | 0 | - | 4.98 | 171,853 |
| Country Flag Trivia | 0 | - | 4.82 | 58,370 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,242 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,689 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,983 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,164 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,222 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,233 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,680 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,172 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 185,167 |
| National Football Team Logos | 0 | - | 4.85 | 192,279 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,556 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,272 |
| Countries with Fjords | 0 | - | 4.94 | 101,643 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,962 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,776 |
| Years in History by Picture | 0 | - | 4.45 | 35,958 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,579 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,506 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,452 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,190 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,719 |
| Animal Stereotypes | 0 | - | 4.48 | 37,580 |
| Animal Ranges - Do They Live There? | 0 | - | 4.70 | 44,530 |
| Flags to Languages | 0 | - | 4.95 | 174,743 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,182 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,891 |
| Head to Head - Animals | 0 | - | 4.88 | 70,148 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,874 |
| Bodies of Water on the World Map | 0 | - | 5.00 | 53,376 |
| World's Longest Rivers | 0 | - | 4.89 | 137,851 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 166,016 |
| Fruits by Picture | 0 | - | 4.19 | 809,937 |
| Old Movies by Picture | 0 | - | 4.51 | 25,298 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,356 |
| Name that Object #1 | 0 | - | 3.57 | 96,656 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 56,013 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,206 |
| Geography by Picture - B | 0 | - | 4.42 | 55,842 |
| Geography by Picture - H | 0 | - | 4.50 | 58,444 |
| Geography by Picture - N | 0 | - | 4.45 | 42,407 |
| Geography by Picture - R | 0 | - | 4.56 | 41,206 |
| Geography by Picture - T | 0 | - | 4.54 | 58,059 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,705 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,558 |
| Random Logos Quiz | 0 | - | 4.33 | 210,015 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,729 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,709 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,339 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,331 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,862 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,073 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,925 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,986 |
| Types of Bears | 0 | - | 4.50 | 144,010 |
| Deadly Animals | 0 | - | 4.02 | 110,871 |
| Famous Animals #1 | 0 | - | 4.03 | 240,075 |
| Famous Animals #2 | 0 | - | 4.02 | 57,621 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,445 |
| Animal Facts | 0 | - | 4.15 | 43,064 |
| Cat Knowledge | 0 | - | 4.49 | 25,890 |
| Bear Knowledge | 0 | - | 4.54 | 35,191 |
| Cow Knowledge | 0 | - | 4.46 | 24,328 |
| Elephant Knowledge | 0 | - | 4.41 | 24,032 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,421 |
| Animals in World History | 0 | - | 4.74 | 44,728 |
| Human Taxonomy | 0 | - | 4.70 | 19,005 |
| World Bee Day Quiz | 0 | - | 4.48 | 11,535 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,941 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,503 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 57,032 |
| Countries With No Rivers | 0 | - | 4.96 | 77,278 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,188 |
| 50 Rivers on a World Map | 0 | - | 4.96 | 38,584 |
| 100 Rivers on a World Map | 0 | - | 4.99 | 101,977 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,232 |
| North Sea Countries | 0 | - | 4.92 | 87,810 |
| Black Sea Countries | 0 | - | 4.87 | 60,813 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,674 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,769 |
| Seas on the World Map | 0 | - | 4.96 | 136,169 |
| Seas of the World | 0 | - | 5.00 | 158,953 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,436 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 79,512 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 59,901 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 56,319 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,566 |
| Elements by Picture | 0 | - | 4.27 | 70,415 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,561 |
| Islands by Picture | 0 | - | 4.28 | 107,998 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,494 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,645 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,593 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,082 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,567 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,606 |
| International Footballers by Picture | 0 | - | 4.51 | 56,829 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,563 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,760 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,814 |
| Geography by Picture - A | 0 | - | 4.39 | 60,501 |
| Geography by Picture - D | 0 | - | 4.15 | 45,834 |
| Geography by Picture - F | 0 | - | 4.31 | 51,244 |
| Geography by Picture - G | 0 | - | 4.39 | 48,136 |
| Geography by Picture - J | 0 | - | 4.16 | 38,646 |
| Geography by Picture - K | 0 | - | 4.29 | 33,303 |
| Geography by Picture - C | 0 | - | 4.31 | 57,296 |
| Geography by Picture - L | 0 | - | 4.37 | 59,193 |
| Geography by Picture - M | 0 | - | 4.14 | 40,635 |
| Geography by Picture - P | 0 | - | 4.24 | 42,617 |
| Geography by Picture - S | 0 | - | 4.38 | 47,223 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,502 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,762 |
| Flag Maths | 0 | - | 4.61 | 57,871 |
| Satellite Images #1 | 0 | - | 4.46 | 130,143 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,000 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,496 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,336 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,294 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,715 |
| Soccer Team Logos | 0 | - | 4.26 | 378,701 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,442,426 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,454 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,348 |
| Movie Logos | 0 | - | 4.33 | 240,926 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,399 |
| History by Picture - A | 0 | - | 4.26 | 46,254 |
| History by Picture - B | 0 | - | 4.40 | 49,455 |
| History by Picture - C | 0 | - | 4.33 | 54,997 |
| History by Picture - F | 0 | - | 4.35 | 38,286 |
| History by Picture - G | 0 | - | 4.40 | 42,522 |
| History by Picture - D | 0 | - | 4.29 | 44,755 |
| History by Picture - E | 0 | - | 4.25 | 44,330 |
| History by Picture - H | 0 | - | 4.37 | 37,170 |
| History by Picture - K | 0 | - | 4.35 | 33,688 |
| History by Picture - M | 0 | - | 4.17 | 36,471 |
| History by Picture - N | 0 | - | 4.40 | 41,611 |
| History by Picture - O | 0 | - | 4.39 | 36,627 |
| History by Picture - T | 0 | - | 4.20 | 33,613 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,890 |
| French Animal Words | 0 | - | 4.44 | 135,131 |
| Spanish Animal Words | 0 | - | 4.53 | 96,026 |
| 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 | 33,858 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,924 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,465 |
| Bird in the Answers | 0 | - | 4.11 | 34,044 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,259 |
| Horse Knowledge | 0 | - | 4.46 | 24,157 |
| Snake Knowledge | 0 | - | 4.49 | 18,893 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,707 |
| Geologic Time Scale | 0 | - | 4.41 | 10,085 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,098 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,217 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,135 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,920 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 120,021 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,152 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,971 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,038 |
| Name that Object #2 | 0 | - | 3.63 | 15,554 |
| Authors by Picture | 0 | - | 4.48 | 25,658 |
| Name that Object #3 | 0 | - | 3.93 | 14,484 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,176 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,533 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,275 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,518 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,615 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,407 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,159 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,007 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,581 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,393 |
