three extra-levels (Kola Cell, Vselka Infiltration, Vselka Submarine) for XBOX (and Xbox One through backward compatibility) and PC (available in the Uplay and GOG versions of the game or as a patch included in the limited collector's edition of Chaos Theory) one extra-level (Nuclear Power Plant) in the PS2 version ▶️ Splinter Cell Stealth Action Redefined: I make a summary of all bonus levels and missions existing for the Splinter Cell games, hope it will be helpful
