Lost Alpha Wiki

The PSS-2x scope is a weapon accessory featured in S.T.A.L.K.E.R.: Lost Alpha.

A 5.0x fixed zoom optical scope with a built-in heat visor used to identify heat sources typical of the human body. Designed for use by special forces. Attached to weapons by means of a dovetail mount.
- Inventory description


  • Scope with fixed 2x zoom, heat sensor and target acquisition software.
  • As stated, operates by locating heat sources, including mutants.
  • Additionally adjusts the targeting graticules to indicate the hostility stance of human targets acquired:
  1. Yellow => Neutral target
  2. Green => Friendly target
  3. Red => Hostile target (NB but does not differentiate between 'hostile' and 'hostile neutral' stances)
  4. Grey => Mutant (with no indication of stance)
  • Available only in Developer's Cut (v1.4000+)
  • Fits assault rifles of Warsaw Pact design.


  • One piece can be bought from Petrenko, after the attack on the Bar.