The floating text symbols seen when talking to Iterators are intended to represent a language beyond human (or slugcat) comprehension and are mostly randomized symbols.
"Why did they always search for an escape, as if we were imprisoned? ... This moment, right here! It is where we are meant to be." — Looks to the Moon . Text in the Game's World
" Rain World " is widely praised for its high-quality writing and philosophical depth. Despite players often interacting with it as a "primitive" animal, the game's text—found in Pearls , dialogue with Iterators , and Echoes —reveals a complex narrative about existence, cycles, and ancient civilizations. Highly Regarded Quotes
"I placed my faith into the hands of random gods. Now I must endure it to the end." — Five Pebbles .
Major gameplay milestones are marked by unique text and illustrations, such as The Wanderer ("Your travels have taken you far") or A New Friend. Lore - Official Rain World Wiki
Much of the "text" is visual or found in Developer Commentary , which describes the ruins of a "hyper-advanced civilization" now populated only by "storms, ruins, and abominations".
"They were burdened by great ambition, yet deeply convinced that striving in itself was an unforgivable vice. They tried very hard to be effortless." — An Echo .