Each Theme listed below contains a series of puzzles dedicated to a certain subject.
The number in brackets shows the number of puzzles in that theme.
 | Arts (1135) |  | People & Relationships (664) |
| Abstract and subjective quality: can be studied, but cannot be objectively measured, counted, weighed, or compared. | | Babies, Children, Couples and Families. Portraits of anyone and everyone, even yourself. |
 | Cartoons and Comics (1638) |  | Recreation (231) |
| Classic and contemporary, television and theatrical animation. Comic strips, comic books, web cartoons. All of your favorites. | | Hobbies, activities, and pastimes that are meant to make your leisure time more fun and enjoyable. |
 | Computers & Technology (226) |  | Science (1581) |
| Hardware, Robots, Telephones, Video Cameras. Electronic devices you use and have used in the past, and the energy it requires. | | Broadly defined to include mathematics, engineering, physics, environment, life, earth and social sciences. |
 | Games and Toys (697) |  | Society (1276) |
| Video, Board, Card and Gambling Games. Puzzles, Dolls, Teddy Bears and Children’s Toys. | | Human interaction, people's thoughts, speculations, and aspirations regarding the world they live in. |
 | History and Government (1261) |  | Sports (834) |
| Major events and figures from the dawn of civilization, the Middle Ages and the twentieth century. | | Competitive events involving physical exertion. Included are sports that may be recreational for most people. |
 | Home (1369) |  | The Animal Kingdom (2358) |
| Home improvement, decorating, remodeling, do-it-yourself, gardening and daily life chores. | | Birds, insects, mammals, reptiles and amphibians. All creatures, great and small, can be found here. |
 | Movies and Television (803) |  | The Plant Kingdom (877) |
| Motion picture medium, including actors, actresses, filmmakers, and individual films and television shows. | | Use your "green thumbs" to enjoy a paradise of flowers, trees, veggies, fruits and other plant wonders. |
 | Music (626) |  | Transportation (405) |
| Musical instruments as well as bands and artists, composers and players, singers and DJs. | | Riding, driving, flying, pedaling; these are some of the forces that have changed our lives, cultures, and landscapes. |
