If you've never heard of SEUCK, it's the Shoot 'Em Up Construction Kit.
Created by Sensible Software, it's a utility that allows you to create your own still screen or vertically scrolling shoot 'em ups on C64 and Amiga.
The aim of the SEUCK Vault is to gather unseen and unreleased games created with the Kit, stories and advice on how to make your own games with it, and tips and tricks to enhance your games.
The site is still a work in progress with more to be added. The Archive now contains some games to download, and there are several articles to read. Feedback by e-mail or PM would be appreciated.
Check it out at
http://www.seuckvault.co.uk