| Flowers by Picture | 0 | - | 4.46 | 105,000 |
| Plants by Picture | 0 | - | 4.24 | 14,332 |
| Trees in the Answer | 0 | - | 4.25 | 45,731 |
| Name that Bug | 0 | - | 4.12 | 45,443 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,482 |
| Empires by Maps | 0 | - | 4.98 | 118,363 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,384 |
| Famous Trees in Nature and Fiction | 0 | - | 4.38 | 18,391 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,180 |
| All Country Flags of the World | 0 | - | 5.00 | 3,599,405 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,982 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,223 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,700 |
| Play-Doh People from History | 0 | - | 4.99 | 93,814 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,280 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,713 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 48,868 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,000 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,847 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,159 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,490 |
| Megadiverse Countries | 0 | - | 4.97 | 133,867 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,434 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,782 |
| Flags with Crescents | 0 | - | 4.98 | 167,470 |
| Country Flag Trivia | 0 | - | 4.81 | 55,878 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,351 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,422 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,850 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,412 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,345 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 59,872 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,991 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,489 |
| National Football Team Logos | 0 | - | 4.84 | 178,559 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,364 |
| Countries with Fjords | 0 | - | 4.93 | 100,181 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,267 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,167 |
| Years in History by Picture | 0 | - | 4.44 | 35,088 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,192 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,712 |
| Animal Varieties Quiz #1 | 0 | - | 4.48 | 92,391 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,958 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,075 |
| Animal Stereotypes | 0 | - | 4.48 | 36,753 |
| Animal Ranges - Do They Live There? | 0 | - | 4.70 | 43,686 |
| Flags to Languages | 0 | - | 4.95 | 172,435 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,146 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,189 |
| Head to Head - Animals | 0 | - | 4.88 | 68,729 |
| Bodies of Water on the World Map | 0 | - | 5.00 | 50,637 |
| World's Longest Rivers | 0 | - | 4.87 | 121,027 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 161,735 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,224 |
| Fruits by Picture | 0 | - | 4.20 | 804,513 |
| Old Movies by Picture | 0 | - | 4.51 | 24,782 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,660 |
| Name that Object #1 | 0 | - | 3.56 | 96,294 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,808 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,423 |
| Geography by Picture - B | 0 | - | 4.42 | 55,399 |
| Geography by Picture - H | 0 | - | 4.49 | 58,036 |
| Geography by Picture - N | 0 | - | 4.45 | 42,043 |
| Geography by Picture - R | 0 | - | 4.55 | 40,874 |
| Geography by Picture - T | 0 | - | 4.54 | 57,670 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,402 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,730 |
| Random Logos Quiz | 0 | - | 4.32 | 206,963 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,198 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,117 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,710 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,606 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,299 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,515 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,400 |
| Types of Bears | 0 | - | 4.51 | 143,076 |
| Deadly Animals | 0 | - | 4.03 | 109,873 |
| Famous Animals #1 | 0 | - | 4.03 | 238,796 |
| Famous Animals #2 | 0 | - | 4.02 | 57,320 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,145 |
| Animal Facts | 0 | - | 4.15 | 42,903 |
| Cat Knowledge | 0 | - | 4.49 | 25,717 |
| Bear Knowledge | 0 | - | 4.54 | 34,982 |
| Cow Knowledge | 0 | - | 4.46 | 24,162 |
| Elephant Knowledge | 0 | - | 4.41 | 23,897 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 55,971 |
| Animals in World History | 0 | - | 4.74 | 44,205 |
| Human Taxonomy | 0 | - | 4.68 | 18,839 |
| World Bee Day Quiz | 0 | - | 4.47 | 11,422 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,424 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,836 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,581 |
| Countries With No Rivers | 0 | - | 4.96 | 76,012 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,218 |
| 50 Rivers on a World Map | 0 | - | 4.96 | 36,838 |
| 100 Rivers on a World Map | 0 | - | 4.99 | 98,319 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,734 |
| North Sea Countries | 0 | - | 4.92 | 86,589 |
| Black Sea Countries | 0 | - | 4.87 | 60,331 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,013 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,096 |
| Seas on the World Map | 0 | - | 4.96 | 133,788 |
| Seas of the World | 0 | - | 5.00 | 154,269 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,119 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,948 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 77,933 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 58,848 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 55,024 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,177 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,606 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,393 |
| Elements by Picture | 0 | - | 4.28 | 69,529 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,153 |
| Islands by Picture | 0 | - | 4.29 | 105,844 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,029 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,961 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,466 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,815 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,546 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,218 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,903 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,083 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,758 |
| International Footballers by Picture | 0 | - | 4.50 | 54,675 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,526 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,582 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,278 |
| Geography by Picture - A | 0 | - | 4.39 | 60,043 |
| Geography by Picture - D | 0 | - | 4.15 | 45,481 |
| Geography by Picture - F | 0 | - | 4.31 | 50,819 |
| Geography by Picture - G | 0 | - | 4.38 | 47,780 |
| Geography by Picture - J | 0 | - | 4.16 | 38,332 |
| Geography by Picture - K | 0 | - | 4.28 | 33,011 |
| Geography by Picture - C | 0 | - | 4.31 | 56,900 |
| Geography by Picture - L | 0 | - | 4.37 | 58,749 |
| Geography by Picture - M | 0 | - | 4.14 | 40,342 |
| Geography by Picture - P | 0 | - | 4.24 | 42,294 |
| Geography by Picture - S | 0 | - | 4.38 | 46,903 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,270 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,405 |
| Flag Maths | 0 | - | 4.78 | 57,670 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,990 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,970 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,636 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,639 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,798 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,331 |
| Soccer Team Logos | 0 | - | 4.26 | 370,604 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,400,915 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,023 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,114 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,575 |
| Movie Logos | 0 | - | 4.33 | 235,723 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,719 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,161 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,202 |
| History by Picture - A | 0 | - | 4.25 | 45,446 |
| History by Picture - B | 0 | - | 4.40 | 48,556 |
| History by Picture - C | 0 | - | 4.36 | 54,063 |
| History by Picture - F | 0 | - | 4.35 | 37,571 |
| History by Picture - G | 0 | - | 4.40 | 41,831 |
| History by Picture - D | 0 | - | 4.29 | 43,991 |
| History by Picture - E | 0 | - | 4.27 | 43,611 |
| History by Picture - H | 0 | - | 4.37 | 36,528 |
| History by Picture - K | 0 | - | 4.35 | 33,091 |
| History by Picture - M | 0 | - | 4.17 | 35,902 |
| History by Picture - N | 0 | - | 4.40 | 40,979 |
| History by Picture - O | 0 | - | 4.39 | 36,019 |
| History by Picture - T | 0 | - | 4.20 | 33,083 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,823 |
| French Animal Words | 0 | - | 4.44 | 133,631 |
| Spanish Animal Words | 0 | - | 4.53 | 95,356 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,381 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,347 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,505 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,091 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 48,969 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,554 |
| Bird in the Answers | 0 | - | 4.10 | 33,264 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,095 |
| Horse Knowledge | 0 | - | 4.45 | 23,937 |
| Snake Knowledge | 0 | - | 4.49 | 18,723 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,330 |
| Geologic Time Scale | 0 | - | 4.46 | 9,916 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,209 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,675 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,675 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,877 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,440 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,617 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,857 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,524 |
| Name that Object #2 | 0 | - | 3.64 | 15,318 |
| Authors by Picture | 0 | - | 4.48 | 25,390 |
| Name that Object #3 | 0 | - | 3.93 | 14,298 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,418 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,492 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,031 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,150 |
