Echo in the Lightless Deep CD Key
PC price comparison · CelestialArk · Oct 23, 2026
Echo in the Lightless Deep is a deep-sea survivor roguelite. Symbionts fight for you; you steer, dodge and build. The brighter your core, the farther you see and strike, and the more the deep sends at you. Five giants guard the way down. At the bottom, choose: return to the light, or stay dark.
Lowest final price
at Steam · Standard Official
Historical low: $8.49 on October 24, 2026
Get the best deal ↗Compare Echo in the Lightless Deep key prices
Sorted by final price including fees, never by commission.
| Store | Edition | Activates on | Region | Price | Fees | Final price | |
|---|---|---|---|---|---|---|---|
SteamOfficial | Standard | Steam | Global | −15%$8.49 | none | $8.49 | Go to store ↗ |
- SteamOfficial
Standard · Steam · Global
$8.49 · fees: noneGo to store ↗$8.49
Echo in the Lightless Deep price history
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Historical lows by store
- Steam$8.49
About Echo in the Lightless Deep
Echo in the Lightless Deep is a deep-sea survivor roguelite. You guide a small light core down from the surface, through five zones of a sunless ocean, to the seafloor 1,050 meters below. Down here, your glow is one of the only lights there is. Brightness is the heart of the game. It sets how far you can see, how far your symbionts can strike, and how far away a monster notices you. Collect motes and pick light-side mutations and the light grows, and so does everything that comes to meet it. Go dim and you're safer. Where to hold that trade is what every dive is made of. Combat runs itself. Symbionts orbit the core and tear into whatever comes close, and rare ones you cross in the dark — a lantern jellyfish, a blind cleaner shrimp — will join you if you drift near, each with its own job: lighting the way, soaking hits, straining motes from the water. They have loyalty meters; run them down and they leave for a while. What you actually do is steer, dodge, and time three skills: Lights-Out: dim to near-black. Far fewer monsters appear, your damage halves, dark energy builds faster, and the first hit on anything that hasn't spotted you deals 2.5× damage. Also the best way to shake a tail. Echo Pulse: spend 40% of your dark energy to send out a sonar ring. Everything it touches is marked for 4 seconds and takes triple damage. Light Devourer: needs a full bar of dark energy. For 12 seconds your orbiting symbionts deal 2.5× damage and new monsters nearly stop spawning. When it ends, your light is permanently 15% dimmer for the rest of the run. Level-ups offer a three-card pick from 59 mutations in three families. Light mutations keep compounding your brightness and your damage; dark mutations buy survival and vision, and make light cards rarer from then on; neutral cards stay out of the way. Twelve fusion recipes turn two mutations into an evolved one, across three build paths: Lumen Hunter, Abyss Stalker, Devourer. The end of one of those paths hides the true ending. The descent is automatic; your problem is staying alive through each layer. A giant holds each of the five depths: 150, 320, 500, 800, and 1,050 meters. They are earlier descenders, warped by their own obsessions into the largest predators in this sea, and each one leaves a relic behind. Depth hones the hunters too: their projectiles get faster all the way down, and near the bottom the barrage outruns you. The giants have tempers, too: drop a giant's health past a threshold and it escalates…Read more
Echo in the Lightless Deep system requirements
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Dual-core 2.0 GHz
- Memory: 4 GB RAM
- Graphics: Integrated graphics (DirectX 11)
- DirectX: Version 11
- Storage: 500 MB available space
Recommended
- Requires a 64-bit processor and operating system
Echo in the Lightless Deep key FAQ
+What is a Echo in the Lightless Deep CD key?
A Echo in the Lightless Deep CD key is a digital code that unlocks the game on a PC platform such as Steam. After redeeming it, you download the game directly from that platform and it stays in your library.
+What is the cheapest price for Echo in the Lightless Deep?
The cheapest Echo in the Lightless Deep key right now costs $8.49 at Steam, 15% off the regular price. We compare 1 offers from 1 store, and the price already includes payment and service fees.
+What is the historical low for Echo in the Lightless Deep?
The lowest price we have recorded for Echo in the Lightless Deep is $8.49 on October 24, 2026. Check the price history chart to decide whether to buy now or wait for the next sale.
+Is it safe to buy a Echo in the Lightless Deep key?
Buying from an official store such as Steam, GOG or Epic Games is always safe. Key resellers are often cheaper but sell keys second-hand, so check the region lock and buyer protection before you buy. Every offer on GameKeyDeal is labelled as official or reseller.
