| Left Mouse Button | does pretty much everything |
| <Esc> | skip through cutscenes/voices |
| <F1> | access menu/pause game |
| Right Mouse Button or <I> (during normal gameplay) | bring up your inventory |
| Right Mouse Button (Old Mine Road) | puts on/takes off Cavefish goggles |
| Right Mouse Button (during Old Mine Road fight) | switches between weapons on the Old Mine Road |
Note: These controls are for the original PC version from 1995.