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Quantum ProtocolSteam players
As of
Players, last 7 days30-day average
0 players1 of 30 days observed
Data coverage| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 180 days (dormant tier) | 24 Oct 2026 | |
| Player counts | Every 30 days (dormant tier) | 19 Oct 2026 | |
| Store details | Weekly, and when Steam reports a change | 19 Oct 2026 |
Busier games are polled more often. Source: Steam Web API. Not affiliated with Valve.
Quantum Protocol 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 and Sale HistoryPrice now
$12.99Usual price
Lowest we've seen
$12.9924 Oct 2026
Sales we've seen
None yetNone since 21 Oct 2026
| From | Price | Usual | Off |
|---|---|---|---|
| 24 Oct 2026 | $12.99 | $12.99 | — |
US Steam store prices, saved each time our store check sees a change. Our records start on 21 Oct 2026, so earlier sales are not listed. A sale is dated from the first check that saw it (usually within an hour of Steam changing the price) to the end date Steam gave. How we count
Screenshots
