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🔫👽 Adrenaline shooter-roguelike with a survival and suspense atmosphere. Caution and accuracy are as important as conserved ammo and an extra explosion that raises the alarm in the lair. Stock up on oxygen, batteries, and ammo to survive another terrifying night.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
A mix of roguelike shooter and survival on an unknown planet, featuring persistent progress and a cozy hub. Attempt to unravel the mysteries of what has happened by exploring stations, dungeons, canyons, swamps, and permafrost, while battling alien creatures.
Adrenaline shooter. Each enemy is a mortal danger. Caution, reaction and aim are as important as a saved ammo and an extra explosion that raises the alarm in the den of creatures.
At night it's more dangerous. Survival with elements of horror. Stock up on oxygen, flashlight batteries and ammo in advance to have a chance of surviving another night.
Wide range of weapons and equipment. Pistols, assault rifles, shotguns, machine guns, grenade launchers, katanas, night vision, energy shields, sound absorption, weapon upgrades and more.
Combos and progression. Recipes for unique weapons. Enhancements that transform your character. Shops and secret rooms throughout the levels. Weapon upgrades in the hub.
Solo or co-op up to 4 players. Play shoulder to shoulder, protect your teammates' rear and share resources.
Inspired by the best roguelikes like The Binding of Isaac and by the fast‑paced, dangerous vibe of Hotline Miami.
Lowest tracked price: CA$5.84 (Jul 7, 2026) · current best: CA$19.49.
73% positive reviews all-time · 2 peak players in the last 30 days.
Right now the cheapest offer for Ammo and Oxygen is CA$19.49 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Ammo and Oxygen is CA$5.84 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Ammo and Oxygen peaked at 2 concurrent players on Steam in the last 30 days (highest on Jul 12, 2026). The player chart on this page updates daily.
Create a free price alert on this page and KingsPrice will email you when Ammo and Oxygen drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
