Even though Gooseworx didn’t list this as an inspiration, I feel still feel like she owes a little something to “Five Characters in Search of an Exit” judging by premise and themes.

7971249
I'm pretty sure a pretty large handful of things inspired TADC, one of the more prominent ones I've heard is I Have No Mouth and I Must Scream. If you look between the two stories, there is an... Uncanny amount of parallels.