I understand the exercise but there is a bit of a challenge involved.
The problem is that the 2021 design pulls the handbrake and in doing so brings an end to the 2017 starting design (which had run its course and become a major hindrance to progress) and subordinated the game to the vision (for the 'world').
Anything planned before that event either ceased to exist or changed fundamentally (boat ride included, the current and the old 2019 has no overlap, it is not the old arriving).
But if you want to you can go here,
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(5$ patreon required) it is the idea collection in 2019. Not plans, none of the old exist, but as close as 'what if 2017 never ended' gets.