1   Kill a main character.
2   A secondary character commits suicide in an unusual way.
3   One character finds out that another has been hiding something from them "for their own good".
4   Have a main character go crazy.
5   Your main character unintentionally seriously wounds or kills someone.
6   A character stumbles across an image (painting, photo, etc.) that was made before they were born.
7   A character suddenly developes a religious vocation.  (Does not need to be genuine.)
8   Your character gets drunk.
9   Your character gets drunk and blabs a secret.
10  Switch to the antagonist's point of view.
11  Add a love interest.
12  Add a new character.
13  Your main character breaks a bone.
14  A secondary character is the target of a friend's treachery.
15  Your main character tries a new food (or drink) and offends someone when they don't like it.
16  Your characters take a break from their main objective.
17  Put your playlist on shuffle (or choose a random song).  Summarize the point of the next song you hear in your own words and use it as dialog.
18  Look around you.  Incorporate the first thing you see into your plot.
19  Look around you.  Google the first thing you see and use the top five results as the basis for the next chapter.
20  A secondary or tertiary character has amnesia.
21  Someone who is allegedly dead turns out to be alive after all.
22  Your characters are being followed.
23  Get your characters lost.
24  Your main character's mother dies.
25  Two characters kiss.
26  One character walks in on two others having sex.
27  One character walks in on MORE THAN two others having sex.
28  A supporting character has a heart attack and dies.
29  Your main character loses money gambling.
30  Everyone gets food poisoning.
31  Include a character who obsessively collects random objects.
32  A character's long-lost sibling turns up.
33  A male character finds out he is the father of a teenage character.
34  The government tries to have a character killed.
35  The characters find a large sum of money.
36  Have a character find a dead body in his/her personal residence, transportation, etc.
37  Include the phrase:  "A whore I knew taught me this."  (Or something equivalent.)
38  Go grab a random CD (or put your playlist on shuffle) and use song titles as chapter titles.
39  Your character is given a drink of whatever you last had to drink.
40  Have a character willfully remove his/her own limb.
41  Include a brawl in a situation that does not usually give rise to them.
42  Include an unusual animal in some way.
43  Include a terrible accident involving a humerous item.
44  The villain is the hero's ex.
45  Write an entire chapter in which two characters work at a menial task.
46  A character undergoes a radical change in appearance and the others no longer recognize him/her.
47  Your main character is shot at.
48  Your main character has a dream which tells him how to proceed--and it turns out to be bad advice.
49  One of your characters spills his or her drink on an important document.
50  One of your characters is injured by an animal in some way.
51  A tertiary character gets nearly run over by a horse, cart, car, etc. but is unhurt.
52  One of your characters falls down the stairs.  (May include being pushed down the stairs.)
53  Have your characters play a children's game.
54  Have your characters intercept a secret message.
55  Your characters discover a stash of old letters.
56  Open the nearest book at random, point to a line, and use that as the basis for the next scene.
57  Have your characters quote a holy book.
58  Have a crime interrupted by other criminals trying to commit the same crime.
59  Your characters play a drinking game.
60  Something falls out of the sky and hits a character on the head.
61  Your hero and villain run into each other in public and have to be polite.
62  One of your characters has an all-consuming phobia.
63  There is a major holiday coming up, the celebration of which all of your characters must participate in.
64  Your character opens a book and finds a message asking for help.
65  A secondary character makes a confession to your main character.
66  Your main character takes up a new hobby or takes on a new habit.
67  One of your characters gets pregnant (or finds out he has gotten someone pregnant, if male).
68  A character says too much while talking in his/her sleep.
69  A character is arrested for a crime that happened a long time ago.
70  Have one of your characters accidentally enter an establishment they usually wouldn't.
71  Have your characters receive a package full of stuff from random people they don't know.
72  Include a subtle reference to a piece of art, literature, theatre, or music that you enjoy.
73  Your characters are trapped by a freak storm.
74  Your main character trips, falls, and is unconscious all day.  The others talk about him behind his back.
75  Your villain falls in love with a secondary character.
76  A foreigner shows up with an important message, but doesn't speak the characters' language.
77  A character stays awake all night worrying about the last problem anyone mentioned.  (Includes "it'll never happen" type mentions.)
78  Your characters are kept awake all night by loud noises.
79  A cute little kid (or other innocent) shows up and latches onto your MC.  You have to get rid of the kid without killing him/her.
80  Your main character intentionally does something bad.
81  One of your characters bets another to do some unusual, difficult feat.
82  Whatever happened in your last chapter sparks a flashback to a similar event in your MC's childhood.
83  Use the phrase "I am not a criminal" in an ironic way.
84  Your characters' path is blocked and they must take another route.
85  One of your characters goes into a fugue state and disappears.
86  Your character buys something that will bring him bad luck.
87  An oracle divines a message for your characters.  (May be false.)
88  Your characters receive some good news.
89  Your characters accidentally start a fire while playing with candles.
90  A walk-on character shows up again to reveal a crucial secret.
91  Your main character dreams about one of your other characters.
92  Have your characters find an ancient, mysterious coin.
93  A storm forces your characters to take shelter someplace creepy.
94  Two characters who hate each other are forced to share a cramped space.
95  Your main character inadvertently offends a minor character by forgetting his/her name.
96  The last inanimate object you mentioned suddenly breaks.
97  The character who most recently spoke can't talk for the next chapter.
98  Something horrible happens to someone else, far away, but the long-range effects affect your characters.
99  A character accidentally swallows a bug.
100 Your character decides to write a book (novel or otherwise) someday.