Quote: "1.Will grenades be supported at all? "
They are one of the weapon types.
Quote: "7.Can you make the bullets have a special animation on contact with something? (ex. a little green bullet that wraps around the enemy on contact and squeezes them to death like a boa constrictor)"
No.
Quote: "1.Will FPSC support cheat codes?"
Not in the EA release, no.
Quote: "2.Can you jump?"
Yes, and crawl.
Quote: "3.Can you adjust the jumping strength/height?"
No.
Quote: "4.Once exported as a standalone file, can there be mods and upgrade packs made to it?"
Not really.
Super Joe crack combat soldier fights a long battle against overwhelming odds.