Caverns: Lost Sky
Caverns: Lost Sky has an FPSHQ demand score of 58/100: moderate requirements — runs on mid-range cards like the RTX 3060 / RX 6600. Source of the numbers: per the system requirements on Steam.
Caverns: Lost Sky is a game by Tetravoxel Limited. Steam release date: January 31, 2019. Minimum graphics card per Steam: Geforce GTX 1060 / Radeon RX 570 or higher. It needs at least 8 GB of RAM.
Description
Caverns: Lost Sky is a single player action-adventure RPG set in a fully destructible, voxelized subterranean realm. Join Strato in the Tellurian Sector as he battles hordes of Fera in his quest to find the sky. Level up and increase your stats, or ascend the caverns searching for buried treasure.
Data: the game’s Steam store page
About the game
- Developer
- Tetravoxel Limited
- Publisher
- Tetravoxel Limited
- Release date
- January 31, 2019
- PC platforms
- Windows
- Steam store page
- store.steampowered.com/app/863150
Caverns: Lost Sky system requirements
| Component | Minimum | Recommended |
|---|---|---|
| OS | Windows 8 (64 bit only), Windows 10 (64 bit only) | Windows 10 (64 bit only) |
| Processor | Intel i5 @ 3.0 GHz or higher (or AMD equivalent) | Intel i7 @ 3.3 GHz or higher (or AMD equivalent) |
| Memory | 8 GB ОЗУ | 16 GB ОЗУ |
| Graphics | Geforce GTX 1060 / Radeon RX 570 or higher | Geforce GTX 1080 Ti / Radeon RX Vega 56 or higher |
| DirectX | версии 11 | версии 11 |
| Storage | 2 GB | 8 GB |
| Sound card | DirectX® compatible on-board | DirectX® compatible on-board |
| Notes | No internet connection needed. | No internet connection needed. |
Source: the game’s Steam page — requirements published by the developer.
How big is Caverns: Lost Sky and does it need an SSD
Caverns: Lost Sky needs 2 GB of free space for minimum requirements and 8 GB for recommended (the game’s Steam page, data as of Nov 7, 2026). requirements
The requirements of Caverns: Lost Sky do not state a drive type — an SSD is not officially required; it only speeds up loading.
Source: official system requirements (the game’s Steam page), captured Nov 7, 2026. The size is the free space needed to install; updates and DLC can make it grow. store.steampowered.com
Tip: keep extra space beyond the listed size — updates are downloaded first and installed afterwards.
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FPS on different graphics cards
FPS forecast for Caverns: Lost Sky on current 2024–2026 GPUs. Switch the graphics preset — the table recalculates. Average FPS at 1080p / 1440p / 4K.
| Graphics card | Tier | 1080p | 1440p | 4K |
|---|---|---|---|---|
| GeForce RTX 5090 | S | 200–335 | 160–270 | 94–160 |
| GeForce RTX 4090 | S | 185–310 | 135–230 | 77–130 |
| GeForce RTX 5080 | S | 170–285 | 120–205 | 67–115 |
| GeForce RTX 4080 Super | A | 155–265 | 110–190 | 59–100 |
| GeForce RTX 4080 | A | 150–255 | 105–175 | 56–95 |
| Radeon RX 7900 XTX | A | 150–255 | 105–180 | 56–95 |
| GeForce RTX 5070 Ti | A | 145–245 | 100–170 | 53–91 |
| Radeon RX 9070 XT | A | 140–240 | 99–165 | 51–87 |
| Radeon RX 7900 XT | A | 125–215 | 89–150 | 46–78 |
| GeForce RTX 4070 Ti Super | A | 135–230 | 95–160 | 50–84 |
| GeForce RTX 3090 Ti | B | 120–210 | 85–145 | 44–76 |
| Radeon RX 9070 | A | 120–205 | 83–140 | 43–73 |
* Average FPS: real measurements where available, otherwise the unified FPSHQ model. Actual FPS depends on the CPU, game patch and drivers. Reference GPU models without overclocking. methodology
📊 FPS by graphics card (1440p, Ultra)
Green — 60+ FPS (comfortable), yellow — 30–60 (playable), red — below 30. Dashed line marks 60 FPS.
Which graphics cards can run Caverns: Lost Sky
Cards at least as fast as the Steam minimum (Geforce GTX 1060 / Radeon RX 570 or higher). FPS is an FPSHQ model forecast for 1080p High, not a measurement.
- GeForce GTX 1650 ≈28 FPS
- Radeon RX 480 ≈28 FPS
- GeForce GTX 970 ≈28 FPS
- GeForce GTX 1070 Ti ≈60 FPS
- GeForce GTX 1080 ≈61 FPS
- GeForce RTX 2060 ≈61 FPS
Submit an FPS measurement
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The FPSHQ app for Windows computes average FPS and 1% low from frame times (PresentMon) and, with your consent, submits the result itself.
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The higher it is, the more powerful a PC you need. Moderate load.
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GPU ranking for Caverns: Lost Sky →Key figures
Unique FPSHQ metrics from this page's data
Can my PC run Caverns: Lost Sky?
Caverns: Lost Sky (2019): FPSHQ load index 58 out of 100. Per the FPSHQ model, GeForce RTX 3060 delivers 72–120 FPS at 1080p High and GeForce RTX 4070 68–115 FPS at 1440p Ultra; 5 of 12 popular GPUs hold 60+ FPS at 1440p Ultra. Developer's minimum GPU: Geforce GTX 1060 / Radeon RX 570 or higher; minimum RAM: 8 GB. Source of the numbers: per the system requirements on Steam (checked Nov 7, 2026); FPSHQ model estimate (not a measurement). (model accuracy)
- FPSHQ load index
- 58 FPSHQ index
- RTX 3060 · 1080p High
- 85 FPS model estimate
- RTX 4070 · 1440p Ultra
- 92 FPS model estimate
Frequently asked questions about the game
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