: Don't rush through levels. Take your time to explore every nook and cranny. Secret areas often contain valuable items that can give you an edge in subsequent levels.

Lab 7 is infamous for its maze-like layout and invisible spider aliens. In the northwestern corner of the main computer core room, there is a row of servers that seem solid. They are not. By hugging the left wall and spamming the interaction key, the player will find a one-tile gap leading to a ventilation shaft. Reward: A Cyber Implant (+20% movement speed) and a full set of heavy armor. Speed is survival in Alien Shooter 2 ; this implant allows players to outrun exploding aliens entirely.

In the room with three branching tunnels (left, middle, right), take the middle tunnel . Halfway, the right wall looks slightly different (darker texture). Shoot it – opens to a hidden chamber with a Railgun (very rare) and Artifact (+20% energy regen).

In Chapter 14, look in the corner of the fourth secret area for a hidden hatch leading down to this classic gaming reference. Happy New Year Egg: A hidden seasonal reference found early in the campaign. Steam Community Strategic Secret Hunting