1.24.1: first public release

Everything in one go:

• The Portal Gun: a dial of saved places, Portal Fluid, and three upgrades: Targeting, Blender attack mode, and the DNA Lock.
• Twenty Backrooms levels, from Level 0 to Run For Your Life, linked by exit doors, pits and holes. Each has its own theme music (Kevin MacLeod, CC BY 4.0).
• Creatures: the Watcher, Still Lifes, scarecrows, partygoers, IKEA staff and the Bacteria, plus a sanity meter.
• Cronenberg World and the Council of Yous.
• Warp Gateways and Rick's Space Cruiser.
• Rick's gadgets: the Shrink Ray, the Freeze Ray, the Time Crystal, the Interdimensional Goggles, and the Cognition Amplifier for pets.
• Optional support: Curios (goggles in the head slot), Sodium and Iris.
• Commands for operators: /rickrooms goto and /rickrooms gun.