Serious Sam Siberian Mayhem - level 3 @AndyJourney
Serious Sam Siberian Mayhem - level 3  @AndyJourney
Uploaded January 2022 | Updated September 2026, 2 weeks ago
This must be the most editing I've ever done (this video was trimmed down by 40 minutes).

Level starts with you getting the rocket laucher and a bunch of stuff to kill with it followed up by a big open landscape to explore. There are three octanian outposts that house a pipe puzzle and a key to a briefcase later in the level as a reward. This area even has a spooky abandoned village (reference to Resident Evil 8?) for good measure. Afterwards we meet up with game's first friendly NPC One-Eyed Olga. Another brand new enemy is also introduced. Octanian Legionnaire is a beefed up version of Ocatanian Zealot, they have a shield that blocks even more frontal damage. Thankfully a rocket to the face instantly kills them. After helping Olga she gives us a Crossbow. It works like devastator, but shoots slower, does more damage, has less ammo and doesn't have to be realoaded. It's very useful against Adult Arachnoids capable of killing them in one shot. Near the end there's another open environment where we run into Octanian Towers, and to be honest these things feel untested. They fire a barrage of mortars and homing missiles that you can't dodge reliably. To destroy them, you need to wait for a hatch to open and unload into their core. They also have minigun turrets which thankfully can be destroyed. Destroy all three towers to unlock another briefcase with another skill point.

Should probably mention the new gadgets. T.A.C.T. summons an aerial bombardment on a spot of your choosing. Conveniently enough it doesn't hurt you. Another one is a hoverboard equiped with laser guns that give Sam some much needed mobility. Hoverboard is really handy and fun to use. Easily my favorite gadget.
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Andy Journey |

Serious Sam Siberian Mayhem - level 3

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