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Documentation Index

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Osiris stores all settings in a JSON configuration file named default.cfg. This file is automatically created the first time you change a setting.

​
File Location

Configuration files are stored in platform-specific directories:

​
Windows

%appdata%\OsirisCS2\configs\default.cfg
Expanded path: 
C:\Users\YourUsername\AppData\Roaming\OsirisCS2\configs\default.cfg

​
Linux

$HOME/OsirisCS2/configs/default.cfg
Expanded path: 
/home/yourusername/OsirisCS2/configs/default.cfg

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File Format

The configuration file uses JSON format with a hierarchical structure. Here’s an example: 
{
  "Combat": {
    "NoScopeInaccuracyVis": {
      "Enabled": true
    }
  },
  "Hud": {
    "BombTimer": {
      "Enabled": true
    },
    "BombDefuseAlert": {
      "Enabled": true
    },
    "PreserveKillfeed": {
      "Enabled": false
    },
    "PostRoundTimer": {
      "Enabled": true
    },
    "BombPlantAlert": {
      "Enabled": true
    }
  },
  "Visuals": {
    "ModelGlow": {
      "Enabled": true,
      "Players": {
        "Enabled": true,
        "OnlyEnemies": true,
        "ColorMode": 0
      },
      "Weapons": true,
      "DroppedBomb": false,
      "TickingBomb": true,
      "DefuseKits": false,
      "GrenadeProjectiles": true,
      "Hues": {
        "PlayerBlue": 210,
        "PlayerGreen": 120,
        "PlayerYellow": 55,
        "PlayerOrange": 15,
        "PlayerPurple": 270,
        "TeamT": 35,
        "TeamCT": 220,
        "LowHealth": 0,
        "HighHealth": 120,
        "Enemy": 0,
        "Ally": 120,
        "Molotov": 30,
        "Flashbang": 210,
        "HEGrenade": 330,
        "SmokeGrenade": 120,
        "DroppedBomb": 0,
        "TickingBomb": 0,
        "DefuseKit": 180
      }
    },
    "OutlineGlow": {
      "Enabled": false,
      "Players": {
        "Enabled": false,
        "OnlyEnemies": true,
        "ColorMode": 0
      },
      "Weapons": false,
      "DroppedBomb": false,
      "TickingBomb": false,
      "DefuseKits": false,
      "Hostages": false,
      "GrenadeProjectiles": false,
      "Hues": {
        "PlayerBlue": 210,
        "PlayerGreen": 120,
        "PlayerYellow": 55,
        "PlayerOrange": 15,
        "PlayerPurple": 270,
        "TeamT": 35,
        "TeamCT": 220,
        "LowHealth": 0,
        "HighHealth": 120,
        "Enemy": 0,
        "Ally": 120,
        "Molotov": 30,
        "Flashbang": 210,
        "HEGrenade": 330,
        "SmokeGrenade": 120,
        "DroppedBomb": 0,
        "TickingBomb": 0,
        "DefuseKit": 180,
        "Hostage": 0
      }
    },
    "PlayerInfoInWorld": {
      "Enabled": true,
      "OnlyEnemies": true,
      "PlayerPositionArrow": {
        "Enabled": true,
        "ColorMode": 0
      },
      "Health": {
        "Enabled": true,
        "ColorMode": 0
      },
      "ActiveWeaponIcon": true,
      "BombCarrierIcon": true,
      "BombPlantIcon": true,
      "ActiveWeaponAmmo": true,
      "BombDefuseIcon": true,
      "HostagePickupIcon": true,
      "HostageRescueIcon": true,
      "BlindedIcon": true
    },
    "ViewmodelMod": {
      "Enabled": false,
      "ModifyFov": false,
      "Fov": 68
    }
  },
  "Sound": {
    "Visualizations": {
      "Footsteps": {
        "Enabled": false
      },
      "BombPlant": {
        "Enabled": false
      },
      "BombBeep": {
        "Enabled": false
      },
      "BombDefuse": {
        "Enabled": false
      },
      "WeaponScope": {
        "Enabled": false
      },
      "WeaponReload": {
        "Enabled": false
      }
    }
  }
}

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Data Types

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Boolean Values

Most toggles are stored as true or false: 
"Enabled": true

​
Unsigned Integers

Numeric values are stored as integers:
  • Color modes: 0, 1, 2, 3 (representing dropdown options)
  • Hue values: 0 to 359 (degrees on the color wheel)
  • FOV values: 40 to 90 (viewmodel field of view)
"ColorMode": 0,
"Fov": 68,
"PlayerBlue": 210

​
Buffer Size

The configuration system uses a 4096-byte buffer for file operations. Config files must fit within this limit. The current schema comfortably fits within this constraint.

​
Atomic Writes

To prevent corruption, Osiris uses atomic file writes:
  1. Configuration is written to default.cfg.new
  2. The temporary file is renamed to default.cfg
  3. The rename operation is atomic at the OS level
This ensures the config file is never left in a partially-written state.

​
Manual Editing

You can manually edit the config file with a text editor, but:
  • Ensure the JSON syntax is valid
  • Use correct data types for each field
  • Keep numeric values within valid ranges
  • The file will be overwritten when you change settings in the GUI
For safety, make a backup before manually editing.

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