Collect "chips" for improvement of characteristics and purchase of arms. To reach the infected artifact investigate locations, find mechanisms, destroy infected, bypass traps.
- management of two characters.
- a type of management from the 3rd and 1st person.
- open world: open locations of the average size.
- set of options of passing of each location.
- the studying enemies: infected study and improve together with you.
- stealth: possible passing without uniform shot.
- Kraft: "possible emergence in the following updates".
- new locations.
- new infected.
- correction of mistakes.
- new puzzles.