Game
App 1328530
Quantum Protocol
Kaio Meris · released Nov 4, 2020
A deckbuilding card game where it's always your turn. Play as the master hackers of Quantum and take on the most dangerous malware in the world. Every action matters. Make plays, upgrade your deck, and break the enemy board!
Price
$12.99
US store
Reviews
90%
625 · Very Positive
Playing now
0
sampled 1d ago
24h peak
0
all-time seen 2
Followers
—
Steam community hub
Owners (est.)
~18.8K
9.4K – 30K
YouTube activity
0
videos · 30 d17
creators0
views · 1 yTwitch activity
—
avg viewers · 30 d—
hours watched · 30 d—
streamers · 30 dProduct info
from Steam's PICS · read 4d ago- Change number
- 37,970,468
- Public build
- 24,624,107 · Aug 8, 2026 (3mo ago)
- Operating systems
- windows
- Architecture
- 64-bit
- Install size
- 2.0 GB · 679 MB download
- Install folder
Quantum Protocol- Controller support
- —
- Metacritic
- —
- Homepage
- www.kaiomeris.com/quantum
- Release state
- released
- Community
- hub · stats
Steam Deck
PlayableTested Apr 6, 2022 on build 8,112,742
- !Interface text is not legible
- ✓Default controller config fully functional
- ✓Controller glyphs match deck device
- ✓Default configuration is performant
Branches · 1
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 24,624,107 | Aug 8, 2026 · 3mo ago |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 24,624,107 | public | Aug 8, 2026 02:11 | 4d ago |
Depots · 3
content of the public branchLaunch options · 1
| Executable | OS | Description |
|---|---|---|
Quantum.exe |
windows 64-bit |
Languages · 5
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| French | ✓ | — | ✓ |
| English | ✓ | — | ✓ |
| Korean | ✓ | — | ✓ |
| Japanese | ✓ | — | ✓ |
| Simplified Chinese | ✓ | — | ✓ |
Packages · 1
all packages| Sub | Name | Billing | Price |
|---|---|---|---|
| 464021 | Quantum Protocol | Store or CD key | $12.99 |
Bundles · 1
all bundles| Bundle | Games | Bundle discount | Price |
|---|---|---|---|
| Quantum Protocol: Soundtrack Bundle | 1 | -10% | $15.28 |
Updates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
No patch notes seen yet for this game.