A biome is an area of land that denotes the environment you're currently in. From the deepest depths of the Earth to the vast horizon of the sea, biomes reach to impossible lengths for you to find Pokémon in a variety of environments. These biomes can vary radically from one another in appearance, Pokemon, trainers and even weather conditions you must endure.

In classic, all biomes are ten stages long and your party is fully healed upon clearing the tenth consecutive stage of the current biome.

In endless, all biomes are 1-4 stages long, and your party will swap out when you change biomes (this removes any stat changes.) Your party will still heal every 10 stages.

In PokéRogue, Pokémon rarity is broken up into two pools: Standard and Boss.

• When determining an encounter, a random number is generated between 1-512 for standard encounters and 1-64 for boss encounters. For example if the roll for a standard encounter is 24, this is below limit of rare encounters (32) but greater than the limit of an ultra rare encounter (6), so you will have a rare encounter.

Currently, Luck also increases the odds of seeing pokemon from rarer tiers. Luck reduces the limit of common rolls, making it easier to roll lower numbers for rarer encounters.

• For standard encounters the maximum roll is reduced by double your luck value, from 512 to 484 at maximum luck.
• For Boss encounters the maximum roll is reduced by half your luck value, from 64 to 57 at maximum luck.

Every 10 waves the biome will change. If the player has the Map item then they can choose their next biome from any possible option(s). Some options are not guaranteed to appear, as indicated by the coloured lines.

From the Meadow (top left of map), there is a 50% chance that the Fairy Cave is one of the possible next biomes.

• If the player has the Map, there is a 50% chance that they will have the option to choose between Fairy Cave or Plains, and a 50% chance that they will simply go to the Plains.
• If the player doesn't have the Map, they have a 75% chance of going to Plains, and 25% chance of going to Fairy Cave.

Click on a biome on the map below to be redirected to it.