I saw this on another forum and I thought it would be an interesting topic here too.
List some things you did or failed to do that made you feel genuinely bad.
It doesn't necessarily have to be a personal choice as it can be something fixed in the story or a mandatory action/quest.
Also, for added fun. you can list some horrible things you did that others probably would feel bad about but you didn't at all.
To avoid possible spoilers, I suggest using this format:Katawa Shoujo
Hanako's path - Good end
After you finally meet her again and talk about the time you had sex (which I thought was mutual), you learn that you pretty forced yourself on her and she just let you have your way because she thought that if you had sex with her you'd start to see her as a normal person.Mass Effect 2
I felt like a total scum at that moment.
When Tali asks you to preserve her father's honor and lie. My paragon Shepard should have said the entire truth... but I really like Tali, and as such, I lied.Chrono Trigger
I felt so dirty for lying.
The first time I played CT, I was pressing A to acknowledge the text box telling you to enter LARA, which would mean me pressing ALARA each time. As she was getting closer to the machine, I started to panic and swear at the game until *SCREEEEAM*Mass Effect 2
I loaded my prior save (which was a while ago) and redid it until I figured out what I was doing wrong.
I refused to let her be crippled because of some stupid mistake.
I killed Wrex and I didn't feel bad at all about it. The Krogan was out of control and a danger for everyone else.