You can run this on a hacked PS Vita or PSTV using the Adrenaline environment, which simulates a PSP custom firmware (6.61) to manage the files and patches. 2. Attack on Titan Tribute Game 2 (Fan Project)
Since a direct PSP disc does not exist, players typically use one of the following modern methods: PPSSPP Emulation (Mobile/PC) PPSSPP Emulator attack on titan for psp updated