Flat 9
Flat 9 has an FPSHQ demand score of 66/100: a demanding game — RTX 4060 / RX 7600 or better for high settings at 1080p–1440p. Source of the numbers: per the system requirements on Steam.
Flat 9 is a game by Alessandro Arcangeli. Steam release date: March 18, 2025. Minimum graphics card per Steam: NVIDIA GTX 1060. It needs at least 8 GB of RAM.
Description
A psychological horror set in a deserted apartment, where you're trapped in a relentless cycle. Armed with a strange device, you must find and report every anomaly to escape. Can you make it past Flat 9?
Data: the game’s Steam store page
About the game
- Developer
- Alessandro Arcangeli
- Publisher
- Alessandro Arcangeli
- Release date
- March 18, 2025
- PC platforms
- Windows
- Steam store page
- store.steampowered.com/app/3510310
Flat 9 system requirements
| Component | Minimum | Recommended |
|---|---|---|
| OS | Windows 10 | Windows 11 |
| Processor | Intel Core i7-4790 | Intel Core i7-8700 |
| Memory | 8 GB ОЗУ | 8 GB ОЗУ |
| Graphics | NVIDIA GTX 1060 | NVIDIA GTX 1080 |
| Storage | 4 GB | 4 GB |
Source: the game’s Steam page — requirements published by the developer.
How big is Flat 9 and does it need an SSD
Flat 9 needs 4 GB of disk space, according to its official system requirements (the game’s Steam page, data as of Oct 7, 2026). requirements
The requirements of Flat 9 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 Oct 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.
Ranking: how big 84700 popular games are and which need an SSD →
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FPS on different graphics cards
FPS forecast for Flat 9 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 | 195–295 | 150–230 | 87–130 |
| GeForce RTX 4090 | S | 175–270 | 125–195 | 71–110 |
| GeForce RTX 5080 | S | 160–245 | 110–175 | 61–92 |
| GeForce RTX 4080 Super | A | 145–225 | 100–160 | 54–83 |
| GeForce RTX 4080 | A | 140–215 | 96–150 | 51–78 |
| Radeon RX 7900 XTX | A | 140–215 | 96–150 | 52–79 |
| GeForce RTX 5070 Ti | A | 130–205 | 91–140 | 49–74 |
| Radeon RX 9070 XT | A | 130–200 | 89–140 | 47–72 |
| Radeon RX 7900 XT | A | 115–180 | 79–125 | 42–65 |
| GeForce RTX 4070 Ti Super | A | 120–195 | 85–130 | 45–70 |
| GeForce RTX 3090 Ti | B | 110–175 | 76–120 | 40–63 |
| Radeon RX 9070 | A | 105–175 | 75–115 | 39–60 |
* 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 Flat 9
Cards at least as fast as the Steam minimum (NVIDIA GTX 1060). FPS is an FPSHQ model forecast for 1080p High, not a measurement.
- GeForce GTX 1060 3GB ≈28 FPS
- Radeon RX 580 ≈29 FPS
- GeForce GTX 980 ≈29 FPS
- GeForce RTX 2070 ≈60 FPS
- Radeon RX 6600 ≈60 FPS
- GeForce GTX 1080 Ti ≈60 FPS
Submit an FPS measurement
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Submit my resultHow to measure: 60 seconds of normal gameplay (not menus or loading), no frame cap or vsync; read average FPS and 1% low from an overlay.
The FPSHQ app for Windows computes average FPS and 1% low from frame times (PresentMon) and, with your consent, submits the result itself.
Get the appOnly aggregates are published: a median over 2+ devices or after review. No name or IP is stored — only a hash to stop abuse. Methodology
The higher it is, the more powerful a PC you need. Moderate load.
🏆 Which GPU do you need for Flat 9?
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GPU ranking for Flat 9 →Key figures
Unique FPSHQ metrics from this page's data
Can my PC run Flat 9?
Flat 9 (2025): FPSHQ load index 66 out of 100. Per the FPSHQ model, GeForce RTX 3060 delivers 63–99 FPS at 1080p High and GeForce RTX 4070 62–94 FPS at 1440p Ultra; 2 of 12 popular GPUs hold 60+ FPS at 1440p Ultra. Developer's minimum GPU: NVIDIA GTX 1060; minimum RAM: 8 GB. Source of the numbers: per the system requirements on Steam (checked Oct 7, 2026); FPSHQ model estimate (not a measurement). (model accuracy)
- FPSHQ load index
- 66 FPSHQ index
- RTX 3060 · 1080p High
- 72 FPS model estimate
- RTX 4070 · 1440p Ultra
- 79 FPS model estimate
Frequently asked questions about the game
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