I have no developer objections to the playerbase wanting to turn back the clock but your efforts may be fraught with difficulty.
0.2.0 only runs on the original Crysis, not Wars, so your playerbase is going to be rather limited.
You will need someone with a 0.2.0 server since the client and the server have to run the same version.
I do have a 0.2.0 installer laying around in my personal shares, but it's 1.7GB which is no small amount to transfer up to a webhost. You might have better luck looking for an old 0.2.0 torrent.
If you really want to roll back the clock I would suggest 0.3.0, since it has an installer available from moddb.com
but it still is limited to the original Crysis.