Alien Trilogy ROM (ISO) Download for Sony Playstation / PSX - CoolROM.com
Alien Resurrection (PS1 Gameplay) | Forgotten Games - YouTube
Alien Trilogy (PS) review | PlayStation
Alien Trilogy - Wikipedia
Alien Trilogy (Europe) (En,Fr,De,Es,It) SLES-00101 1200dpi 48bit : Free Download, Borrow, and Streaming : Internet Archive
In Alien Resurrection (2000, exclusive to PS1), some of the doors will refuse to open if you play on an emulator or PS3 console... but not if you play on real hardware.