All the copyrights have semicolons in it. This is a connection without an appropriate tag for it; unless I'm mistaken and they're all from the same company or something.

EMUltra3 said:

All the copyrights have semicolons in it. This is a connection without an appropriate tag for it; unless I'm mistaken and they're all from the same company or something.

Not just from the same company; they're all installments in the same series (though individual installments often have little to do with each other).

They're all a part of the Science Adventure series of games.