Originally published as an Advisory Hour Substack post on 2026-10-01. This first-party site copy preserves the text, localizes public supporting media, and connects the record to its project trail.
Original post
From the depths of the planet up thru to the disempowered engine you travel. From there, it takes a careful hand to re-imagine the planet.
Apostate Engine III is a continuation of the exploration of impossible sci-fi engines that do the incredible. This one will no doubt surprise and delight quite a few. If you enjoy Apostate Engine I and II, then trust me, you will absolutely want to take Engine III out for a test drive.
The question that drove Engine III: What if the engine were the planet and the planet were the engine?
Try it now: Apostate Engine III: Heretic World | Eric Rhea
Caution: There are moments this will not do well on a phone. It is very intensive on the hardware. If you can, prefer a desktop or laptop PC with some hardware.
Connected work
- Apostate Engine III Build Notes: Read how the engine, planet, sound, and voices fit together.
- Enter Heretic World: Climb from the flooded tunnels and bring the machine-planet to life.
- Apostate Engine II: Visit the earlier engine and its unfinished sun chamber.