Dead Space 2 Cheats :
Code - Infinite Nodes, Semi Conductors and Cash
In Chapter 15, the final room contains a bench/store and save point. Backtrack down the corridor. There is a room that you must open with a Power Node, it contains 2 Power Nodes, a Ruby Semiconductor and some random items. Collect them and return to the save point. Save your game and reload it. Return to the locked Node room again and the items will have returned! You can repeat this process indefinitely.
You can also do this at the Node-locked rooms in Chapter 6, Chapter 7 and Chapter 14.
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