61) Pull levers.
62) Open doors.
63) Read old books.
64) Separate the party.
65) Forget that you are in a team.
66) Trust an NPC.
67) Pick up something with your bare hands.
68) Go into a dark place without a 10' pole.
69) Go anywhere without torches.
70) Go anywhere without a cleric.
71) Go through any archway that a rogue hasn't been through before.
72) Walk into a misty area.
73) Defile an alter.
74) Be rude to mages of indeterminate level.
75) Attack things on sight.
76) Fail to secure a room when resting.
77) Fail to carry a means of healing oneself.
78) Fail to have a plan for what you do if you find yourself suddenly falling.
79) Fail to have a plan for what you do if you find yourself suddenly underwater.
80) Fail to carry sufficient means of detecting magic, aura's, or perform other basic scrying tasks.
81) Fail to hire guides, interpreters, porters, and mercenaries.
82) Hire so many men-at-arms you look like a small army.
83) Fail to consult with local sages, patriarchs, and wise old women before entering any deep dark places.
84) Forget that you can negotiate.
85) Forget that you sometimes need to let the raging barbarian handle negotiations
86) Cheese off the natives.
87) Get too greedy.
88) Get too bold.
89) Get too proud.
90) Go 'adventuring'.
91) Don't make a map.
92) Decide to rely on your good saving throws to protect you.
93) Play in my campaign.
And the number one thing you do if you have a deathwish...
94) Piss off the DM.