Damage Amplifier

The Damage Amplifier (just Amplifier, or UDamage) is a power-up that enhances the player's weapon damage. It also makes a distinctive sound when picked up, and every time a weapon fires to alert enemies that someone is using it. It is much sought after in multiplayer games.

Unreal

In Unreal the Amplifier resembles a battery and only enhances energy weapons; the Dispersion Pistol and ASMD.

Unreal Tournament

The Damage Amplifier looks like a spinning, gold symbol, the same as used by the green team in multiplayer games.[1]

Unreal Tournament 2003 and 2004

UT2003 and UT2004's Damage Amplifiers resembles that of UT, but are purple. It looks somewhat like a hologram. Players carrying it look purple as well.

Unreal Tournament 3

UT3's Damage Amplifier will be similar to that of UT2004.

Unreal Championship

UC's Damage Amplifier is similar to that in UT2003.

Unreal Championship 2

In UC2 the amplifier is referred to as "UDamage" (Unreal Damage). It is purple, but has a somewhat more technical look.