99 Portable Holes, 50 Lives, and More
Do these pad tricks at the title screen:
99 portable holes: Press Right, Up, Select, Select.
Super jumps: Press B, A, B, Y.
50 lives: Press B, Up, B, Select, Y.
Invincibility: Press X, A, B, Y, Up, Down.
99 nerf shots: Press B, A, Left, Left.
99 diving suits: Press B, Left, Up, B.

Bubsy in: Claws Encounters of the Furred Kind

Passwords
Chapter 1: JSSCTS
Chapter 2: CKBGMM
Chapter 3: SCTWMN
Chapter 4: MKBRLN
Chapter 5: LBLNRD
Chapter 6: JMDKRK
Chapter 7: STGRTN
Chapter 8: SBBSHC
Chapter 9: DBKRRB
Chapter 10: MSFCTS
Chapter 11: KMGRBS
Chapter 12: SLJMBG
Chapter 13: TGRTVN
Chapter 14: CCLDSL
Chapter 15: BTCLMB
Chapter 16: STCJDH