Just because The Forest isn't available doesn't mean you can't enjoy survival horror on your PSP emulator. Here are verified PSP games that offer similar mechanics (crafting, horror, open world, and tension).
In the emulation world, "verified" usually means the ROM has been tested and works. Since the game doesn't exist for PSP, no verification is possible. You will likely download spyware, adware, or a fake file named the_forest.iso that crashes instantly. the forest ppsspp download verified
Do not use modified "Pro" versions from third-party sites. Just because The Forest isn't available doesn't mean