Invisibility

Invisibility is a rare power-up that appears in Serious Sam: The Second Encounter and Serious Sam 2.

Overview[]

Invisibility is a power-up that makes the user almost completely invisible for 30 seconds. It appears as a semi-transparent statue of Serious Sam.

This power-up is only found in a few multiplayer levels in The Second Encounter and one Serious Sam 2 deathmatch level.

Invisibility is useful in long-range levels when combined with the RAPTOR Sniper Rifle. Someone using invisibility is very difficult to see at long range, and the sniper rifle lets them kill enemies at long range with ease. Since the person is very hard to see while using invisibility, the one using it will have the upper hand in a deathmatch.
If used in custom levels with enemies, invisibility can be useful for taking out or otherwise getting past lone enemies like Beheaded Rocketeers or Kleer Skeletons without them noticing the player.

Invisibility can be found in Serious Sam HD's game files, suggesting it was going to be in the game at one point. It uses the same model as Invulnerability, but has a different colored texture.