Gruntz

You begin the game with two Gauntletz Gruntz .
Along the way you will acquire enough Goo to bake at least eight additional gruntz .

No. Toolz Endz as
1 Gauntletz
#01 Springz
#04 Gauntletz
#06 GooberStraw
#07 Gauntletz
#13 SpongeGun
SpongeGun or Warpstone .
2 Gauntletz
#02 Wingz
#03 Wingz
#05 Shovel
#15 Shovel *
Shovel , accompanying Warpstone Grunt into King's Fortress.
3 None Bare-handed on a Purple Multi-Grunt Switch (PMGS) at X=61,Y=47.
4 None Bare-handed on a PMGS at X=63,Y=2.
5 None
#08 GooberStraw
#14 GooberStraw *
GooberStraw or Warpstone .
6 None Bare-handed on a PMGS at X=72,Y=33.
7 None Bare-handed on a PMGS at X=43,Y=14.
8 None or
#09 Toob
#10 Gauntletz
#11 GooberStraw
#12 Toob
Toob on a PMGS at X=33,Y=41.
9 None Bare-handed on a PMGS at X=48,Y=75.
ten None Bare-handed on a PMGS at X=3,Y=27.
eleven None Bare-handed on a PMGS at X=8,Y=27.
Assuming the use of Ctrl-# to assign number pad keyz to Gruntz, ten and eleven cannot be assigned.
* meanz the Tool is an "extra" ... not really needed to solve the puzzle.
With only ten Gruntz, the PMGS 'assignmentz' are altered, and the solution is more difficult.