Portal: Forbidden Testing Tracks

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App ID	1636310
App Type	Game
Developer	Q15
Publisher	Q15
Supported Systems	Windows Linux
Technologies	Source Engine
Last Changenumber	31516768
Last Record Update	7 October 2025 – 00:30:42 UTC ()
Release Date	10 October 2023 – 00:00:00 UTC ()
Parent App	Portal 2 (620)

😢 38.12%

1k reviews

In-Game

Portal: Forbidden Testing Tracks invites you to delve into an exciting community-created modification for Portal 2. Step into the shoes of Rachel as she embarks on a journey guided by the personality core named "SAIC," through the Forbidden Testing Track, Codename: "Quebeck Seven."

Additional Information

This game is excluded from Steam Family Sharing because: Free Game

Developer

Q15

controller_support

full

MustOwnAppToPurchase

Portal 2 (620)

ReleaseState

released

Publisher

Q15

IsFreeApp

Yes

Exclude from family sharing (exfgls)

3 (Free Game)

Store Release Date

10 October 2023 – 00:00:00 UTC ()

osarch

empty string

community_hub_visible

Yes

Social Media

https://www.youtube.com/channel/UCg9DvPoFigghdiglPVqVBtg/

Primary Genre

Adventure (25)

Store Genres

Action (1), Adventure (25), Free to Play (37)

Steam Release Date

10 October 2023 – 00:00:00 UTC ()

Store Asset Modification Time

17 October 2023 – 03:53:17 UTC () (1697514797)

library_assets

library_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	BottomLeft
width_pct	42.67841360287741
height_pct	79.86322281842807

osextended

empty string

Is free on the store?

Yes

review_score

review_percentage

Detected Technologies (?)

Source Engine, Bink_Video SDK, CEF SDK, Lua SDK, Miles_Sound_System SDK

Steam Deck Compatibility

Steam Deck:
Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
This game is incorrectly scaled on Steam Deck and may require you to configure the display resolution manually
This game shows Steam Deck controller icons
In-game interface text is legible on Steam Deck
This game's default graphics configuration performs well on Steam Deck
Note: This game does not default to external Bluetooth/USB controllers on Deck, and may require manually switching the active controller via the Quick Access Menu
SteamOS:
This game runs successfully on SteamOS
Note: Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
Note: This game is incorrectly scaled on SteamOS and may require you to configure the display resolution manually
Note: This game does not default to external Bluetooth/USB controllers on SteamOS, and may require manually switching the active controller via the Quick Access Menu
category: Playable
steamos_compatibility: Compatible
test_timestamp: 30 September 2025 – 00:00:00 UTC
tested_build_id: 12502040

configuration:

supported_input	gamepad
requires_manual_keyboard_invoke	0
requires_non_controller_launcher_nav	0
primary_player_is_controller_slot_0	1
non_deck_display_glyphs	0
small_text	0
requires_internet_for_setup	0
requires_internet_for_singleplayer	0
recommended_runtime	proton-stable
requires_h264	0
requires_voice_files	0
gamescope_frame_limiter_not_supported	0
hdr_support	0

First seen on SteamDB

12 May 2021 – 14:25:26 UTC (), in changelist #11468271

Supported Languages

1 Languages	Interface	Full Audio	Subtitles
English	Yes	Yes

Hardware Categories

Full Controller Support

Assets

Load all asset images

clienticon

10db69ccc6efb95902027d33b06e5429592cefe9

clienttga

04008e8e9bedb38c23809cbdaec9d37afe35f43d

icon

5b39160b82868f688358a7112b702749d508e676

logo

c405b5e4b160e1c40389c921b87509ede3bec736

logo_small

c405b5e4b160e1c40389c921b87509ede3bec736_thumb

small_capsule

english

capsule_231x87.jpg

header_image

english

header.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image2x/english	library_600x900_2x.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
logo_position/pinned_position	BottomLeft
logo_position/width_pct	42.67841360287741
logo_position/height_pct	79.86322281842807
image/english	logo.png
image2x/english	logo_2x.png

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
hero_capsule	hero_capsule.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
community_icon	5b39160b82868f688358a7112b702749d508e676.jpg
page_background_path	app/1636310
timestamp	29 October 2023 – 18:59:18 UTC

Trailers

609296 ↴
trailer_name	Launch Trailer
trailer_category	3
trailer_480p/video/webm	256970487/movie480_vp9.webm
trailer_480p/video/mp4	256970487/movie480.mp4
trailer_max/video/webm	256970487/movie_max_vp9.webm
trailer_max/video/mp4	256970487/movie_max.mp4
microtrailer/video/webm	1636310/609296/50a6b28c9f5395e0b8d804d1639f54712a37ca36/1751012544/microtrailer.webm
microtrailer/video/mp4	1636310/609296/50a6b28c9f5395e0b8d804d1639f54712a37ca36/1751012544/microtrailer.mp4
adaptive_trailers/0/cdn_path	1636310/609296/50a6b28c9f5395e0b8d804d1639f54712a37ca36/1751012544/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	1636310/609296/50a6b28c9f5395e0b8d804d1639f54712a37ca36/1751012544/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	1636310/609296/50a6b28c9f5395e0b8d804d1639f54712a37ca36/1751012544/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	256970487/movie.293x165.jpg
screenshot_full	256970487/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1697514809
488363 ↴
trailer_name	Trailer 1
trailer_category	0
trailer_480p/video/webm	256901199/movie480_vp9.webm
trailer_480p/video/mp4	256901199/movie480.mp4
trailer_max/video/webm	256901199/movie_max_vp9.webm
trailer_max/video/mp4	256901199/movie_max.mp4
microtrailer/video/webm	1636310/488363/a46da42db54140be8a9b55c1c1f56f528c150d03/1751012544/microtrailer.webm
microtrailer/video/mp4	1636310/488363/a46da42db54140be8a9b55c1c1f56f528c150d03/1751012544/microtrailer.mp4
adaptive_trailers/0/cdn_path	1636310/488363/a46da42db54140be8a9b55c1c1f56f528c150d03/1751012544/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	1636310/488363/a46da42db54140be8a9b55c1c1f56f528c150d03/1751012544/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	1636310/488363/a46da42db54140be8a9b55c1c1f56f528c150d03/1751012544/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	256901199/movie.293x165.jpg
screenshot_full	256901199/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1660709759

Depots

ID	Configuration	Size	DL.
1636311	Windows English	8.94 GiB	4.32 GiB

Total size on disk is 8.94 GiB and total download size is 4.32 GiB.

Branches

Name	Description	Build ID	Time Updated
public		12502040	21 October 2023 – 21:19:35 UTC

Other

Name	Value
baselanguages	English

Portal: Forbidden Testing Tracks

Additional Information

Supported Languages

Tags

Categories

Hardware Categories

Assets

Depots

Branches

Other