Thanks,
I've a list of ideas, but Son of Blagger is the only game I want to recreate fully at present. Most of my other ideas will be retro styled.
In many cases the original authors don't mind about copies, but if I create a true copy, I would always try to contact the original developer.It also really does depend on the company, some games concepts are jealously protected, while others are so generic that the idea has no legal protection.
In general, if you're in any doubt at all about the rights to develop an idea, it's best to seek advice and / or contact the original publisher or developer.
SC
i7-4770s 3.10ghz (Passmark 9599) - Geforce GTX 650ti (Passmark 2708)