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.
Abstract and subjective quality: can be studied, but cannot be objectively measured, counted, weighed, or compared.
Broadly defined to include mathematics, engineering, physics, environment, life, earth and social sciences.
Birds, insects, mammals, reptiles and amphibians. All creatures, great and small, can be found here.
Home improvement, decorating, remodeling, do-it-yourself, gardening and daily life chores.
Musical instruments as well as bands and artists, composers and players, singers and DJs.
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.
Human interaction, people's thoughts, speculations, and aspirations regarding the world they live in.
What is on the pictures? Define the proper term and search the word in the puzzle. Think of synonyms, broader or narrowed terms.