The complete solution! Hope this helps...

ACT 1 - THE RITE STUFF

You need to get 4cc's of mouse blood :

- Get the test tube from the high energy facility in the Unseen University.
- Get the mouse from Gimlet in the Cafe in the Shades.
- Go and see Granny Whetherwax in the Mortuary in the Shades.
- Get the beer from the Troll in the Bar in the Shades.
- Tell Casanunder about Granny Whetherwax so he gives you the ladder.
- Get the corn fron Dibbler at the Plaza.
- Get the cockeral by soaking the corn in the beer.
- Sober up the cockeral by giving him the liquid in the can to be found in the fire by Foul 'Ole Ron, Henry Coffin and The Duckman.
- Use the cockeral on the Vampire in the Bar.
- Go to the Cemetary and use the ladder to reach the coffin, take the teeth.
- Use the teeth on the mouse to make Rincewind drain it of blood.
- You now have the 4cc's of mouse blood.

You need to get 3 wooden sticks :

- Get the fish from the shop in Anhk Morpork.
- Use the fish on the water or the bird at the docks.
- You have the pelicon.
- Give the pelicon to the Librarian in the University Gardens.
- Get the flamingo from the shop.
- Give it to the Dean in the University Gardens.
- Get the knife from the slops in the Morturary.
- Cut the net at the docks.
- Get the hammerhead shark.
- Give it to the Bursar.
- You now have 3 sticks.

You need one vile smell :

- Get the magnet from the High Energy Facility.
- Use it on the imp to get the boots.
- Go and talk to Mrs Cake in the Shades. Go through the whole conversation, even though she doesn't talk back, (opener, sarcasm,
question, thought, opener) and she will 'turn' her premonition off.
- Go to the Fool's Guild and get the brick in the bottom right hand corner.
- Use this brick on the accelerator in the High Energy Facility.
- Take Mrs Cake the ectoplasm, in return she will give you the genie bottle.
- Use the bottle on the boots, and use the product on the smell that hangs over Foul 'Ole Ron.
- You now have the smell.

You need glitter dust :

- Get the bellows from the High Energy Facility.
- Go to the sewers at the Fool's Guild and use the bellows on the grate.
- You now have the glitter dust.
  
You need dribbly candles :

- Get the brochure off Dibbler at the Plaza.
- Get the chilli from Gimlet's Cafe.
- Get the pot from the Shades, near the Duckman.
- Get the petticoat off the dummy in Mrs Cake's shop.
- Get the incense, from the travelling shop.
- Get the matches, from the bar in the Shades.
- Light the incense with the matches.
- Put the chilli on the flowers.
- Use the lighted incense on the hive.
- Use the petticoat on Rincewind.
- Double click on the hive to get the wax.
- Use the pot on the hive to get the honey.
- Take the wax to the lady in the shop who will make the candles.
- You now have the dribbly candles.

ACT2 - COME DIE WITH ME

You need to get on the ship to go to the XXXX continent and the rest of the Discworld :

- Go to the Shades. On the right hand side of the Duckman hanging on the cart you will find a saw.
- Go to Mrs. Cakes house in the Shades and use the saw to cut the arm off the dummy.
- Get the pick from the cemetary.
- Go to the Sewers at The Fool's Guild and use the pick to get the ice.
- Go to the Mortuary, and lie on the stone slab.
- Pick up the mirror and use it on the Bunsen Burner, so the Mortitian cannot detect Rincewind's breath.
- Use the wooden arm on Rincewind, he will use it to fake his lack of a pulse.
- Use the ice on Rincewind, he will stick it up his bottom.
- Double click on the Mortician, he will examine you.
- You will now get a death certificate.
- Give this to the Dead Collector.

You now need to get three items for Dibbler :

- Novelties :

- Get the 1 ton weight from Holywood.
- Get the 10 sticker on the mail box also in Holywood.
- Stick the 10 sticker on the bowling ball.
- Put the bowling ball on the hook at the Docks in Ahnk Morpork.
- Use the bowling ball, Rincewind will knock the wall down, gaining you the novelties.

- Babe :

- Get the stake from the Stoning area in Djelibeybi.
- Put it in the compost heap in the Unseen University Gardens.
- Get the Suffrajester and put her and the stake back in the stoning area.
- Get the rope.
- Try the door to the trailer in Holywood near where Dibbler is.
- Talk to the troll in Holywood, get the key from him.
- Talk to the Milkmaid.
- Use the rope on the troll.
- Give the tooth to the Milkmaid.

- Jingle :

- Ask the man on the cartwheel in the desert to write you a jingle. You will have to ask Uri Djeller about him to gain access to his
location.
- Get the hoops from the Unseen University Garden
- Give the hoops to Uri Djeller and he will straighten them
- Go to the shop in Djelibeybi (the first building after the camels
- Get the poster off the wall
- Use the poster on the wire (straight hoops)
- Go to the beach (left off the Discworld Map) and get the picnic basket.
- Fill it with food from the Dining Hall in the Unseen University.
- Use the food on the ants on the beach.
- Go to the Dining Hall use the pyramid on HEX
- Use the basket on HEX.
- Now use the honey on the ants.
- Ask HEX St. Ulgilent's question.
- Give St. Ulgilant the answer.
- He will give you the jingle.

- You also need a band

- Go to the Hill.
- Use the knife to cut Bone Lazy off the cross.
- You now have a band.

- The other problem is the lead role - DEATH

- Get the scissors from Mrs Cake's shop in the Shades in Anhk Morpork.
- Go to the pyramid and use the scissors to cut some bandage off the mummy.
- Use the bandage on the wooden arm.
- Go to the Oasis and swap the bandged wooden arm for the rotten arm.
- Use the arm (double click).
- Give the dwarf in the castle in Holywood the ring.
- Get the horse suit.
- Get the hooter from the Fool's Guild in Anhk Morpork.
- Get the glue from the pyramids in the desert.
- Put glue on the hooter.
- Use the hooter on the horse suit.
- Go to the Mortuary in Anhk Morpork and ask Granny Whetherwax about elves.
- Go and talk to the librarian, get him to help you with the suit.
- Get the camera from the table near the trainer in Holywood.
- Go to the Elven Castle in the Forest on the Discworld.
- Make Rincewind wear the horse suit.
- Use the camera and take pictures of The Elven Queen.
- Give the pictures of the elven queen to the makeup lady in Holywood.
- Get the ironing board from Mrs Cakes Cupboard in the Shades.
- Saw the legs off the ironing board.
- Put glue on your new surf board.
- Use the surfboard on the surf on the XXXX continent (left off the Discworld).
- Use the camera to take pictures of the sheep.
- Go to the left hand end of the shades (near Mrs Cakes house).
- Use the death cert. on the door you will find near the exit to Anhk Morpork.
- Open the closet and use the sheep pictures on the sheep.
- Go and talk to Dibbler.

To improve the Clickie...

- Get the reel out of the projector.
- Put it in the machine.
- Use the left over pictures of the elven queen on the machine.
- Replace the reel.

ACT 3 - THE GRIM RINCEWIND

You need to get a black cloak : 

- Go to Death's house. 
- Pull the curtains on the left hand side nearest the stairs down. 
- Get the ink. 
- Put the ink in the pond, in the Garden. 
- Put the curtain in the pond. 

You need to get a sythe and demonstrate your ability to use it : 

- Go to the house. 
- Get the sythe from the umberella stand near the outside door. 
- Outside the house is a door mat under the mat is a key. 
- Go to Susan's room (upstairs, left). 
- Get the rabbit. 
- Get the string. 
- Use the rabbit. 
- Go to the Kitchen. 
- Get the oily rag from over the stove. 
- Go the Garden. 
- Light the rag (using matches). 
- Put the pyjamas on Rincewind. 
- Use the lit rag on the bee hive (you should feel a touch of Deja vu). 
- Get the wax from the hive. 
- Use the wax on the string. 
- Use the key on the alcove in Death's room. 
- Light the candle. 
- Put the candle in Rincewinds inventory. 
- Go into the alcove and get the tablet. 
- Give the tablet to Susan. 
- Use the sythe on the cart. 
- Use the reaper on the corn field (below the garden). 

You need to demonstrate your horse skills : 

- Go to Death's study and pull the cord.
- Get out of the room as quickly as possible. 
- Go to the kitchen. 
- Get the sugar bowl. 
- Give the sugar to Binky (in the stable). 
- Put glue on the saddle. 
- Put the saddle on Binky. 
- Get on Binky 

You need a deep, booming voice : 

- Get the rope.
- Use the rope on the stick.
- Go to outside the house. 
- Use the boomerang on the chimney. 
- Shout down the chimney (double click on it). 

You need show your ability to reap souls : 

- Repeat the process with the smoking rag and the pyjamas on the bee hive. 
- Use thepot on the hive. 
- Get the fishing rod from the garden. 
- Put the honey on the rod as bait. 
- Go to the soul pit at the end of the garden. 
- Use the baited rod on the dots. 
- Give the pot to Albert (you may have to talk to him first). 

ACT4 - TILL DEATH US DO PART

You need to find the fountain of youth :

- Go to Djelibeybi.
- Wait by Rincewind's camel...
- Get the canteen out of the saddle bag of the man's camel (double click).
- Put the rotten arm back in the saddle bag.
- Go to the Fountain of youth.

You need to fix Death :

- Get the cork from Death's hat on the stage.
- Use the cork on the fountain.
- Use the canteen on the fountain and fill it with water.
- Use Death's life timer on the fountain and fill it with sand.

EPILOGUE - QUEEN KONG 

You need to get Granny Whetherwax's broom :

- Double click on the raven.
- Talk to Granny Whetherwax.- Click on the raven icon.
- Pick up the broom.

You need to get the animal bladders off Dibbler :

- Talk to him.
- Opener first, then bladder icon.
- Fill the bladders with water from the canteen.
- Put the bladders in Rincewind's pocket (his inventory).

Fly up the tower and defeat the Elven Queen :

- Use the broomstick on the tower.
- THE END!