| Flowers by Picture | 0 | - | 4.46 | 105,128 |
| Plants by Picture | 0 | - | 4.24 | 14,384 |
| Trees in the Answer | 0 | - | 4.25 | 45,792 |
| Name that Bug | 0 | - | 4.12 | 45,497 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,113 |
| Empires by Maps | 0 | - | 4.98 | 119,270 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,819 |
| Famous Trees in Nature and Fiction | 0 | - | 4.38 | 18,417 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,213 |
| All Country Flags of the World | 0 | - | 5.00 | 3,628,250 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,097 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,258 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,354 |
| Play-Doh People from History | 0 | - | 4.99 | 94,263 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,595 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,984 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,182 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,237 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,973 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,640 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,255 |
| Megadiverse Countries | 0 | - | 4.96 | 134,523 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,838 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,116 |
| Flags with Crescents | 0 | - | 4.98 | 168,373 |
| Country Flag Trivia | 0 | - | 4.81 | 56,361 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,933 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,877 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,485 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,809 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,690 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,150 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,354 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,215 |
| National Football Team Logos | 0 | - | 4.85 | 179,462 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,486 |
| Countries with Fjords | 0 | - | 4.93 | 100,434 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,439 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,297 |
| Years in History by Picture | 0 | - | 4.44 | 35,301 |
| Where Are These Doors? | 0 | - | 4.45 | 29,704 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,504 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,061 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,610 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,025 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,231 |
| Animal Stereotypes | 0 | - | 4.48 | 36,994 |
| Animal Ranges - Do They Live There? | 0 | - | 4.70 | 43,903 |
| Flags to Languages | 0 | - | 4.95 | 172,978 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,188 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,358 |
| Head to Head - Animals | 0 | - | 4.88 | 69,066 |
| Bodies of Water on the World Map | 0 | - | 5.00 | 51,213 |
| World's Longest Rivers | 0 | - | 4.88 | 121,782 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,699 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,596 |
| Fruits by Picture | 0 | - | 4.20 | 805,819 |
| Old Movies by Picture | 0 | - | 4.51 | 24,948 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,822 |
| Name that Object #1 | 0 | - | 3.56 | 96,358 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,090 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,453 |
| Geography by Picture - B | 0 | - | 4.42 | 55,494 |
| Geography by Picture - H | 0 | - | 4.50 | 58,110 |
| Geography by Picture - N | 0 | - | 4.45 | 42,107 |
| Geography by Picture - R | 0 | - | 4.56 | 40,932 |
| Geography by Picture - T | 0 | - | 4.54 | 57,745 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,694 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,269 |
| Random Logos Quiz | 0 | - | 4.31 | 207,621 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,095 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,252 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,858 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,746 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,428 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,647 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,525 |
| Types of Bears | 0 | - | 4.51 | 143,206 |
| Deadly Animals | 0 | - | 4.03 | 110,043 |
| Famous Animals #1 | 0 | - | 4.03 | 239,039 |
| Famous Animals #2 | 0 | - | 4.02 | 57,378 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,202 |
| Animal Facts | 0 | - | 4.15 | 42,941 |
| Cat Knowledge | 0 | - | 4.48 | 25,758 |
| Bear Knowledge | 0 | - | 4.54 | 35,027 |
| Cow Knowledge | 0 | - | 4.46 | 24,205 |
| Elephant Knowledge | 0 | - | 4.41 | 23,925 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,059 |
| Animals in World History | 0 | - | 4.74 | 44,344 |
| Human Taxonomy | 0 | - | 4.68 | 18,888 |
| World Bee Day Quiz | 0 | - | 4.47 | 11,446 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,574 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,148 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,862 |
| Countries With No Rivers | 0 | - | 4.96 | 76,189 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,474 |
| 50 Rivers on a World Map | 0 | - | 4.96 | 37,188 |
| 100 Rivers on a World Map | 0 | - | 4.99 | 98,986 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,827 |
| North Sea Countries | 0 | - | 4.92 | 86,755 |
| Black Sea Countries | 0 | - | 4.87 | 60,411 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,128 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,224 |
| Seas on the World Map | 0 | - | 4.96 | 134,702 |
| Seas of the World | 0 | - | 5.00 | 155,345 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,020 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 78,263 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 59,050 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 55,329 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,245 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,760 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,520 |
| Elements by Picture | 0 | - | 4.27 | 69,727 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,229 |
| Islands by Picture | 0 | - | 4.29 | 106,354 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,161 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,173 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,182 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,998 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,309 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,423 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,058 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,423 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,873 |
| International Footballers by Picture | 0 | - | 4.50 | 55,122 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,586 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,118 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,559 |
| Geography by Picture - A | 0 | - | 4.39 | 60,124 |
| Geography by Picture - D | 0 | - | 4.15 | 45,553 |
| Geography by Picture - F | 0 | - | 4.31 | 50,887 |
| Geography by Picture - G | 0 | - | 4.38 | 47,861 |
| Geography by Picture - J | 0 | - | 4.16 | 38,379 |
| Geography by Picture - K | 0 | - | 4.29 | 33,052 |
| Geography by Picture - C | 0 | - | 4.31 | 56,983 |
| Geography by Picture - L | 0 | - | 4.37 | 58,845 |
| Geography by Picture - M | 0 | - | 4.14 | 40,379 |
| Geography by Picture - P | 0 | - | 4.24 | 42,351 |
| Geography by Picture - S | 0 | - | 4.38 | 46,966 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,278 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,954 |
| Flag Maths | 0 | - | 4.64 | 57,702 |
| Satellite Images #1 | 0 | - | 4.46 | 129,167 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,122 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,770 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,760 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,883 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,631 |
| Soccer Team Logos | 0 | - | 4.26 | 372,448 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,410,875 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,016 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,483 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,233 |
| Movie Logos | 0 | - | 4.33 | 237,004 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,193 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,730 |
| History by Picture - A | 0 | - | 4.25 | 45,635 |
| History by Picture - B | 0 | - | 4.40 | 48,774 |
| History by Picture - C | 0 | - | 4.36 | 54,287 |
| History by Picture - F | 0 | - | 4.35 | 37,748 |
| History by Picture - G | 0 | - | 4.40 | 42,011 |
| History by Picture - D | 0 | - | 4.29 | 44,168 |
| History by Picture - E | 0 | - | 4.27 | 43,790 |
| History by Picture - H | 0 | - | 4.37 | 36,678 |
| History by Picture - K | 0 | - | 4.35 | 33,236 |
| History by Picture - M | 0 | - | 4.17 | 36,031 |
| History by Picture - N | 0 | - | 4.40 | 41,127 |
| History by Picture - O | 0 | - | 4.39 | 36,188 |
| History by Picture - T | 0 | - | 4.20 | 33,206 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,023 |
| French Animal Words | 0 | - | 4.44 | 134,041 |
| Spanish Animal Words | 0 | - | 4.53 | 95,542 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,452 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,398 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,596 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,184 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,179 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,817 |
| Bird in the Answers | 0 | - | 4.11 | 33,424 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,134 |
| Horse Knowledge | 0 | - | 4.45 | 23,984 |
| Snake Knowledge | 0 | - | 4.49 | 18,764 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,379 |
| Geologic Time Scale | 0 | - | 4.46 | 9,967 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,408 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,774 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,000 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,110 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,737 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,979 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,368 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,625 |
| Name that Object #2 | 0 | - | 3.64 | 15,359 |
| Authors by Picture | 0 | - | 4.48 | 25,464 |
| Name that Object #3 | 0 | - | 3.93 | 14,330 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,813 |
| WWII Figures by Picture | 0 | - | 4.89 | 63,655 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,401 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,456 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,624 |
