This page contains all known effectively distinct deaths in Space Quest. It does not have to be a literal death; any event which causes a game over is noted. Unwinnable situations which are not game over do not count.
You enter the hole and bones come out. Plus a visual BURP.
Get caught by Orat
Orat turns you into a ball.
Touch the spider droid.
The droid explodes, taking you out.
Fall from higher ground.
Die.
Walk over the bridge five times or stand on the part of the bridge that cracks.
You fall and die.
Go too long without water.
You die of thirst. (You have two warnings and that's it).
Walk over the grate except at the top.
A tentacle monster grabs you and pulls you through the grate.
Drinkpool of acid.
Roger's head disappears, then eventually the whole body.
Walk through the laser beams.
You are sliced into pieces.
Get hit by an acid drop.
You collapse and die.
In the skimmer minigame, get hit by a rock five times.
The skimmer stops and you fly out of it.
Get three skulls on the slot machine.
The slot machine laser-beams you.
Look at Tiny's ships, then enter the bar, win money, and exit the bar. Follow the mugger, then press any direction other than ←, Home (up-left), or End (down-left).