We have 1 cheats and tips on PlayStation. If you have any cheats or tips for One please send them in here. You can also ask your question on our One Questions & Answers page.
Enter the following passwords without the quotes to unlock the corresponding effect.
Unlock Level Select:
Enter 'HEVYFEET'.
Unlock ALL Weapons:
Enter 'MAXPOWER'.
We have 2 Walkthroughs for One.
By SyonyxFAQ/Walkthrough (PS)
By SyonyxFAQ/Walkthrough (PS)
Click here for all walkthroughs