When you reach the exit elevator after the boss on chamber 4 of the gungeon go to the sell creep room next to the elevator.
Enter the gungeon floors.
The oubliette is a secret chamber in the gungeon accessed through a secret trapdoor in the keep of the lead lord.
1 accessing 2 boss 3 enemies 4 items 5 trivia.
Enter the gungeon is a gunfight dungeon crawler following a band of misfits seeking to shoot loot dodge roll and table flip their way to personal absolution by reaching the legendary gungeon s ultimate treasure.
Enter the gungeon and exit the gungeon are games created and developed by dodge roll and published by devolver digital.
The oubliette takes the appearance of a sewer like dungeon containing trash bags toxic waste pits and harmless writhing bullet kin.
To reach the new secret floor r g dept.
Upon being killed bosses drop a weapon or item of random quality several hegemony credits and one to three pickups such as hearts ammo or keys bosses will always drop a gun if the player has not yet picked up a gun on the current floor.
The gun that can kill the past.
After reaching the room the sell creep will prompt you to give him items as usual after you give him 2 items and a master chamber the great will break open revealing the entrance to the secret floor.
Honestly getting in the second secret floor isn t that hard just do the requirements after your beat the boss then you just have to reach the right place without getting hurt which shouldn t be too hard considering it is basic monsters.