ctf_deliverance

Game Type: Capture the Flag (Invade)
Recommended Players: 12-32
Theme: Rival agencies seek to both build secret bases in a storm-threatened mountain region.
Status: IN PROGRESS (Release Candidate)

tc_meridian

Game Type: Capture the Flag based Territory Control
Recommended Players: 16-32
Theme: The evil genius behind Red plots to unleash havoc from a remote tropical island, and a special Blue task force must stop them.
Status: IN PROGRESS (Release Candidate)

cp_roswell

Game Type: Attack/Defend, Single Stage
Recommended Players: 16-24
Theme: The action takes place on a ranch in Roswell, New Mexico, where an "experimental weather balloon" has crashed. Red must defend it against Blue government agents.

cp_science2

Game Type: Sequential Capture Points
Recommended Players: 16-24
Theme: Two research groups battle it out for funding from the higher-ups. Nonlinear layout reintroduces defensive tactics and flanking in a game type dominated by linear push vs. push gameplay.

ctf_revolution

Game Type: Capture the Flag
Recommended Players: 24-32
Theme: The oppressed Red citizens have breached the Wall and revolted against the Blue authority.

Accident Prone

Difficulty: Moderate
Number of Puzzles: 3
Theme: In Portal we are told that the 16th chamber is undergoing maintenance, and so Chell is sent to android training instead. Find out what happened to Chamber 16 to put it out of commission.

Shmitzchamber 1

Difficulty: Very Hard
Number of Puzzles: 5
Theme: Explore puzzles and portal methods never touched upon in the original game. This map was designed for players who want a much greater challenge after completing Portal.