20XX Wiki
Forcemetal Shell
Boosts health and attack damage; costs speed.
Type Augment
Unlock Cost 6 Soul Chips
Shop Cost 30 Nuts
+2 Maximum Health
+2 Attack Strength
-2 Run Speed

Forcemetal Shell is an augment. When obtained, it increases the player's maximum health and attack strength by 2 and reduces their run speed by 2.

It can be found as a drop from Gold Chests. It can also be found in Shops with a price of 30 Nuts.


  • Forcemetal Shell stands as the only way to reduce the player's run speed, which can be very useful if the player has picked up too many speed augments.


  • Forcemetal Shell has been renamed many times during the development of 20XX. It was originally named Tank!, got changed to Mass Concentrator and finally, Forcemetal Shell.