This selection of exercises have been created using Hot Potatoes software and present puzzles in a variety of formats. Each user's attempts are checked and additional information may be provided. Every user receives a score on completion.

Erosion	Deposition	Human	Interactive Puzzles
Three collections to try			based on each game type
			Crossword Puzzles
			Cloze Procedure Exercises only Erosion to date
			Matching Exercises - Human to be added. Either drag and drop or match to a list.
			Multiple Choice quizes - Deposition and Human to be added