Pre-beta content

Final levels

Syndicate Warehouse

There are 15 hidden doors there. When revealed, they turn this very linear level into a completely non-linear structure (more like a real building).

4 extra doors can be seen on the left picture

A whole lotta crates have been added, different door textures... and the forklift is higher now.

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Manufacturing Plant (Musashi Manufacturing)

This one has changed quite a lot :

The room where the "engines of evil" are, and the foyer

Halls and ramps are almost unrecognizable because of the brick walls and wooden floor

Room candidates that didn't make it (not sure about number 2 though)

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Bio-Research Lab

This one has kept the same basic layout, but there were a few changes

General layout and view from the foyer

The interior is only done in one half of the lab, and it's the other one (the one on the right).
Looks like the level was flipped horizontally at some point (and the surrounding buildings weren't there).
In the second picture, there are buildings in the distance, but the level is still not final :
pillars and foyer doors missing, extra ledges along the sides of the aisle...
Wonder what she's shooting at...

Jumping in the foyer

The stairs run the other way now. Like this \\ not like this //. So this is still the flipped version.

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Vansam Regional Airport

The airport's entrance

This can be the "Arrivals" section (which is now completely empty).

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TCTF Regional Headquarters

Parking lot

A longer car. Different transition from the parking lot to the main building. A place for Konoko's bike. Different stuff outside the parking's gates.

Main entrance

The room is more than 2 times wider now. There are windows on the right and catwalks running across the far side. The entrance door changed a lot, but the van didn't change much...

The lobby

The elevator was initially between the two sets of ramps. In the first pictures (rendered from an editor), solid floors have a lively pattern, and ramps are transparent. In the last picture (looks like ingame quality), the ramps have really nice railings (I wish they'd kept them) and the lighting is nice, too.

Damocles

It dodn't change much except that now it's somewhat smaller and is placed at the center of the hall (one floor up) rather than at the bottom. The terminals are very different now.

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Regional State Building

The foyer

New textures. And it looks like there used to be doors between the two parts of the building on the ground floor. Now they're only on the top floor and in the basement.

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TCTF Science Prison

The scanner

New wall textures. Looks like the scanner's textures are actually higher-res than what we have now.

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Pre-beta levels

Something like a multi-level bunker

Deathmatch arenas

All but the last one seem to be the same arena

The heart of the anecdotical BGI corporation?

Some cool architecture, maybe BGI too

Note the oddly twisted catwalk in both pictures (dynamic deformation? heat distorsion?).
Also note that this is not the same side of a same room : probably both sides of that room.

Completely random

The first one looks like an unfinished office level. Isn't the second one a Marathon level?

Even more random

The first one doesn't look like anything in the final game. The last one, well, it could be anything.