User-Friendly Walkthrough

Note: for brevity, some extra "wait" commands may be omitted

Prologue: The Song
Sing to enter the Song, and once there sever the connections of the dreamers:
	>SING >CUT CONNECTIONS >CUT DRIFTER >LISTEN >WAIT >SING
		
Act 1: Stop the Boat!
Sabotage the engine:
	>OUT >W >SW (to the engine room) >ENTER DEVICE >HIDE >Z >COLOR CAPTAIN INDIGO
Break the cooling system:
	>NE >SE (to the boiler room) >ATTACK INTAKE HOSE >HIDE >WAIT
Get the humans to leave you alone with the Drifter:
Mercy in the berthing:
	(go to the room with the Drifter) >COLOR MERCY YELLOW > WAIT
Medic in the berthing:
	(go to the first berthing room) >LISTEN 
Medic, Captain, and Mercy in the berthing:
	(to the room with the Drifter) >LISTEN >COLOR DOCTOR VIOLET
Medic, Captain, and Mercy in the Survey Storage room:
	>SE or SW >E (to the Survey Storage Room) >HIDE >WAIT
		
Act 2: Establish Contact!
Combine the meat:
	>W >W (to the laundry room) >ENTER DRIER >U >S >S (to the freezer) >TOUCH MEAT
Release the Newsong:
	>(in the freezer) >POSSESS NEWSONG >OPEN DOOR
Sing in a way they understand:
	>N > E >U >U (to the pilot house) >TOUCH COMPASS >TOUCH TAPE
Get an audience for your song:
	>D (to the lavatory) >COLOR CAPTAIN GREEN >WAIT >U (to the pilot house) >WAIT
Save your only listener:
	>S >D >N >SW (to the sick bay) >CONTROL ENGINEER >OPEN DOOR
Meet your thrall:
	>D >E (to the wet lab) >POSSESS MERCY >MERCY, DROP ME

Act 3: Behind the Wheel!
Connect the Drifter for Mercy
	(go to the drifter's room, while possessing Mercy) >CONNECT DRIFTER >WAIT
Save Mercy:
	>CUT DRIFTER >CONTROL MERCY
Ask for Help:
	>RELEASE MERCY (go to the lavatory) >SW >COLOR ASSISTER INDIGO
Prepare for Submarine escape:
	>E >D >ENTER CELLARIUM >SING
Stop Captain:
	>POSSESS MERCY >PUSH LIGHTS >PULL LEVERS >PUSH SWITCH
Head home:
	>OUT >ENTER MERCY >PUSH CELLARIUM UP >PUSH CELLARIUM SOUTH >HOIST BOAT

Finale: The Return
Traverse the ocean:
	>SW >SW >SW >S
To the Depths:
	>HOIST CELLARIUM >DOWN

Epilogue: The Rescue
Find the survivor:
	>SEARCH SEA (press any key a few times) >WAIT (until the ladder is released)
Save the survivor:
	>HELP SURVIVOR >TAKE TAPE >REVIVE SURVIVOR
Report in:
	(return to the helicopter) >USE RADIO

Command-Only Walkthrough

Main Game
sing / cut connections / g / g / sing / out / w / sw / enter device / hide / z / z / z / color captain indigo / ne / se / eat hose / hide / z / nw/ nw / color mercy yellow / z / z / z / z / z / se / e / hide / z / w / w / enter drier / u / s / s / touch meat / possess newsong / n / n / e / u / color captain green / u / touch magnet / touch tape / z / z / z / control captain / d / sw / possess rosa / attack medic / d / e / down / w / n / d / nw / connect drifter / cut drifter / control Mercy / se / n / s / up / knock on sick bay hatch / release mercy / n / sw / color assister indigo / e  / d / enter cellarium / sing / possess mercy / press buttons / pull levers / flip switch / out / possess mercy / push cellarium up / push cellarium south / hoist lifeboat / sw / sw / sw / s / enter cellarium / down

Epilogue
To say epilogue-complete-walkthrough: say "search sea / x / x / x / use radio / z / z / z / d / help survivor / get tape / revive survivor / y / y / u / use radio"