Poke Go

Poke Go is a passive item added in Afterbirth †.

Effect

 * Adds a 20% chance to spawn a friendly enemy upon entering a room with enemies in it. The following enemies can spawn from Poke Go:
 * Attack Fly
 * Fat Bat
 * Frowning Gaper
 * One Tooth
 * Pooter
 * Vis

Trivia

 * The item is a reference to Pokémon GO: an augmented reality mobile game in which Pokémon are generated around the player as they walk around in real life.
 * The pickup quote is a shortened version of "Gotta catch 'em all!", one of the series' marketing slogans.
 * "A charmed (enemy) appears!" is a reference to the phrase "A wild Pokémon appears!" from the games.
 * Poke Go was originally an unofficial item which was supposed to showcase the modding capabilities of Afterbirth+ in the PAX 2016 livestream. However, all items included in the demo were later added to the final game.