I can not post a direct link to Crysis deal because there is a expired deal that was posted some time this month
so here is the link here——>> http://store.steampowered.com/sub/15609/
You can get all as a PACK or EACH individually
Crysis — 4.49 USD
Crysis Warhead — 5.99 USD
Crysis 2 Maximum Edition — 11.99 USD
note, it is cheaper to buy individually too.
pack = $23.99
individual totals $22.47