21-year-old Jacob Kaminsky, who died in an accident at the Orlando StarFlyer Monday, had worked on Busch Gardens' Iron Gwazi coaster.
The new maze will be included with admission to SeaWorld on weekends through Nov. 1.
Four of the 10 scare zones will be new for this year's event.
"SeaWorld has determined that it must transition certain park and corporate personnel from a furloughed status to a permanent layoff," the company said in a statement.
An Orange County team found both parks to be in compliance with county rules on face masks and physical distancing.
With a greater share of locals visiting Disney World right now, the disparity between weekend and weekday crowds has grown.
Guests will still need reservations to gain entry into SeaWorld's parks.
Theme parks can't fully reopen in California, but they're finding ways to welcome back guests without rides or attractions.