|Authoring system||Inform 7|
How It Begins
- Advent Door (Andrew Plotkin; Glulx).
- Release 3 / Serial number 200229 / Inform 7 build 6M62 (I6/v6.34 lib 6/12N)
- IFID: B13B1B1B-729A-4B8D-A1AC-0AF0CF8BA11A
IFID links: IFDB, IFDB cover
- Download doorsday.gblorb from the author's website.
- Note that this game was intended to be a participant in the 2019 IF Advent Calendar project, but the project was never completed, so the game was released independently in 2020.