Unlockable Fighters:
     Most  opponents are unlockable once you defeat them in the course
of  your  game.  Some however, are well hidden and must be found first
before you can fight them.

Unlock Ted Tred (Tire World #1):
     Walk  forward  down  metal great. Walk forward along tire pile to
avoid  fighting  other characters. Go right at wall, walk on tire pile
to  tire  bridge.  Jump  on  tire  bridge and go over the wall to next
level. Once you find Ted Tred, defeat him in battle to unlock him.

Unlock Rangle (Auto World #1):
     Walk  along  car pile on the left side towards wall. Go right and
walk  on  other  car  pile towards Rangle. Follow car pile to conveyor
belt, jump on and walk up beltway to next level. Once you find Rangle,
defeat him to unlock him.

Unlock Big Dig (Secret Level)
     Find  pipe  exit  in  first  level. Go straight along the wall on
right  side. It leads to two pipe exits. Exit pipe on the right. Fight
gas  chromie. Go towards the right and walk along the wall on the left
that  leads to Nailer. Find Nailer, defeat and unlock him. Afterwards,
continue  going  right  from Nailer and look for explosive sign. Knock
down  the  sign  and pipe wall to enter hidden world and find Big Dig.
Defeat him to unlock him.