Environments

Environments are the playable stages within Risk of Rain 2. Traveling between main environments is done via the Teleporter. There are currently nine main environments available to be explored. After finishing the fifth environment, the challenge Deja Vu? is unlocked and the stage sequence loops. It is not possible to visit multiple environments of one stage in a single loop.

Each environment has three or more stage variations, with most changes being single features, such as a door being opened to reveal extended areas. Environments can contain secrets, and hidden treasures.

Hidden realms are environments not accessible through stage loops. These environments are usually have requirements that need to be met to be accessed.

Hidden Realms
Also known as intermission stages. Mysterious places where time seems to stop.

Looping
Looping occurs when the Teleporter in every fourth stage is completed. The game will loop around to the first environment set. This repeats infinitely until the player obliterates themselves at the Obelisk in a Celestial Portal, or they die.

Once you loop, several stages will have new enemies spawn on them, these being;
 * Jellyfish for the Distant Roost and Titanic Plains.
 * Hermit Crab also for Titanic Plains.
 * Alloy Vulture for Scorched Acres.
 * Clay Templar for the Abandoned Aqueduct.
 * Void Reaver for Rallypoint Delta and Siren's Call.

Doing one full loop completes the challenge Deja Vu?.