Game
Free to play App 646960
Three Twenty One
3:21 is divided into smaller adventure games that open a dialog with the player and encourage interaction and exploration. Through the player's interactions with these that serve as a timeline of events, they discover what 3:21 is really about and just how real games can get.
Price
Free
US store
Reviews
51%
54 · Mixed
Playing now
0
sampled 18h ago
24h peak
0
all-time seen 0
Followers
—
Steam community hub
Owners (est.)
~2.2K
1.1K – 3.5K
YouTube activity
—
videos · 30 d—
creators—
views · 1 yTwitch activity
—
avg viewers · 30 d—
hours watched · 30 d—
streamers · 30 dProduct info
from Steam's PICS · read 3d ago- Change number
- 40,614,710
- Public build
- 1,952,892 · Jul 11, 2017 (9y ago)
- Operating systems
- windows, macos
- Architecture
- 64-bit
- Install size
- 23 GB · 5.0 GB download
- Install folder
Three Twenty One- Controller support
- —
- Metacritic
- —
- Homepage
- —
- Release state
- released
- Community
- hub · stats
Steam Deck
UnsupportedTested Apr 29, 2025 on build 1,952,892
- ✕Steam osdoes not support
Branches · 2
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 1,952,892 | Jul 11, 2017 · 9y ago | |
| development | 1,938,540 | Jul 5, 2017 · 9y ago |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 1,952,892 | public | Jul 11, 2017 17:15 | 3d ago |
| 1,938,540 | development | Jul 5, 2017 14:54 | 3d ago |
Depots · 5
content of the public branch| Depot | Name | OS | Language | DLC / shared | Size | Download | Manifest |
|---|---|---|---|---|---|---|---|
| 646961 | windows | 7.4 GB | 1.6 GB | 2105367234123141467 | |||
| 646962 | macos | 7.5 GB | 1.6 GB | 2458071098041066996 | |||
| 646963 | linux 64-bit | 6.5 GB | 1.4 GB | 8925418594674377707 | |||
| 649550 | windows | DLC Three Twenty One - Extra Content | 1.4 GB | 436 MB | 4813760006136407731 | ||
| 649551 | macos | DLC Three Twenty One - Extra Content | 78 MB | 65 MB | 5034213139750217332 |
Launch options · 4
| Executable | OS | Description |
|---|---|---|
321.exe |
windows 64-bit | Start the main game |
/Three Twenty One Extra Content/Rezzed2016 Demo/ThreeTwentyOnePreview.exe |
windows 64-bit | Rezzed2016 Demo |
321.app |
macos 64-bit | |
321.game |
linux 64-bit |
Languages · 1
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | ✓ | ✓ | ✓ |
Packages · 0
all packagesNo packages recorded yet.
Bundles · 0
all bundlesNot part of any bundle we know.
DLC in product info · 1
includes DLC not sold separatelyUpdates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
No patch notes seen yet for this game.