Official specs from Steam

Enter the Gungeon system requirements

Minimum and recommended PC specs as listed by the developer on Steam. Native Linux build available.

Enter the Gungeon release infoSteam page Check other games

Minimum

OS *Windows 7 or later
ProcessorIntel Core 2 Duo E6320 (2*1866) or equivalent
Memory2 GB RAM
GraphicsGeForce 7600 GS (512 MB) or equivalent
Storage2 GB available space

FAQ

What graphics card do I need for Enter the Gungeon?

Minimum: GeForce 7600 GS (512 MB) or equivalent.

How much RAM does Enter the Gungeon need?

Enter the Gungeon needs 2 GB RAM at minimum.

How big is Enter the Gungeon?

Enter the Gungeon requires 2 GB available space.

Does Enter the Gungeon run on Mac or Steam Deck/Linux?

There is no native macOS version. A native Linux build is available.