This Resident Evil Revelations hidden hand prints locations guide shows where all the 30 hidden hand prints are in Capcom’s Resident Evil Revelations. You don’t need to follow the same order as they are listed here, but it helps to get them out the way as soon as possible. The unlocks can be used in the campaign mode only, and players will receive trophies and achievements for their efforts.

Scan 1 hidden Hand print – Unlocks 1 Green Herb.
Scan 15 hidden Hand prints – Unlocks the PSG1 rifle.
Scan 30 hidden Hand prints – Unlocks the G18 handgun.