Door System for Unity - Keys, Keypad & Locked Doors

Three common door types, ready to drop into a first-person game: a normal door you open with E, a locked door that needs a key, and a door with a number keypad.

Features

• Knob door: look at it and press E to open or close
• Locked door: find the key first, then open it
• Keypad door: type the code on an on-screen keypad
• Smooth rotation around the hinge, open angle and speed in the Inspector
• Each door type is one small, readable script

Demo scene controls

• WASD move, Shift run, Space jump, Mouse look
• E use a knob or keypad
• Esc close the keypad

What's included

• Door, DoorKnobInteractable, LockedDoorInteractable, KeypadDoor, KeyPickup, PlayerKeyring scripts
• Door, key and keypad prefabs
• First-person player controller
• Full C# source code with comments
• README with setup steps
• Original low-poly art made by us: use it in your games, commercial too
• Nunito font (SIL Open Font License)

Requirements

• Unity 6 (6000.3) or newer
• Universal Render Pipeline (URP)
• Input System package (included in new Unity 6 projects)
• Needed tags and layers are created automatically on import

Development status

This template is still in development and gets updates. Files are versioned: download the newest one.

• v0.2.0: new art and demo scene, new UI, bug fixes, simpler code, English docs
• v0.1.0: first release

Questions or requests? Leave a comment and we'll help.