Here are key bindings for the game, also found under Options / Controls.
To navigate the menu, use the same key bindings as those for steering the ship, usually trackpad / D-pad.
For more please see: showdownvr.com
Source: Steam Community (opens in a new tab)
Build and release context
Recorded Steam release date:
Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.