Steam
BestOfficialIn stockRadical Spectrum: Volume 1 · Region US · Jul 10
$1.99
Radical Spectrum: Volume 1
A band of aliens led by the careless Prince FaceBox have invaded the future city of Nucleusport, bombarding it with radioactive waste from their own polluted planet. Only one man has the tech and the cojones to fight back. Take on the role of Doc DuBrane and wield his super-powerful Prisma Cannon in this endless arcade-style shooter.
OfficialJul 8, 2016 · Autonomic InteractiveActionFamily SharingFull controller supportSingle-playerWindows · Mac
Current best
$1.99
at Steam · Jul 10
All-time low
$0.99
Jul 5, 2026
Stores tracked
1
sources indexed
Review signal
53%
137 reviews
Current best · Steam
$1.99
Observed Jul 10
View best listingObserved low target
$0.99 · based on the previous indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $1.99 at Steam.
1/1
View listing
How trust is scored: KeyDwarf combines source type, known retailer posture, marketplace risk, activation-region warnings, and source transparency. Checkout and support still happen with the external seller.
Price History
2 observationsBest observed priceAll-time low
All-time low
$0.99
Jul 5, 2026 · Steam
12-week avg
$1.49
2 recent observations
Current vs low
+101%
Current $1.99
Recommendation
Watch for drop
consider setting an alert
Lowest indexed daily price per currency. KeyDwarf tracks listings and does not sell keys.
Media
12 indexedCommon Questions
Where is Radical Spectrum: Volume 1 cheapest right now?
Radical Spectrum: Volume 1 is currently indexed at $1.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for Radical Spectrum: Volume 1?
The indexed low for Radical Spectrum: Volume 1 is $0.99 from Steam, observed Jul 5, 2026. The current indexed price is 101% above that low, so KeyDwarf labels it "Watch for drop".
Is the top source safe?
Steam is labeled "Official store" in the index. KeyDwarf tracks the listing and source risk, but checkout and support stay with the external store.
What is the review signal?
Radical Spectrum: Volume 1 has a best indexed review signal of 53%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.