These are not my save there are found on Modio. The first one is
From Allan_SODMG
"Hello guys.
This is a Fuse Starter save with
*Max Level Skill Points
*Unlimited Fuse Credits
And like i said, is on the start of the game.
Shoutout to my bro JohnAKAGoldGiver
Download and Share !"
http://www.mediafire.com/?tpvkt9tipty7ta4
The Second One
Is From expokiki (VIP)
"first leve finish on hard every character skin and weapons skin unlock every character max out and max skill and fuse(money) and every one is level 35 (35 is the max level) enjoy"
http://www.mediafire.com/?lwyg5frfag47a4w
Both of these save you can use to play multiplayer (online)
Now is it safe to do it well I leave that up to your judgement.
Be sure the file name is name correctly, before you hash resign & save.
eg..
FUSESAVE (Correct)
FUSESAVE(2) (Incorrect)