Skip to main content
Chimera provides a comprehensive set of console commands to customize and enhance your Halo: Combat Evolved experience. Commands are stored in preferences.txt in the chimera folder and can be executed from the in-game console.

Command Categories

Commands are organized into the following categories:

Visual

Field of view, widescreen fixes, FPS display, anisotropic filtering, and other visual enhancements

Controller

Aim assist, deadzones, diagonal movement, and gamepad configuration options

Gameplay

Spectate mode, teleportation, devmode, and gameplay modifications

Network

Server bookmarks, connection history, and network-related features

Debug

Performance budgets, coordinates display, player information, and debugging tools

Spectator

Spectate controls and team-only viewing options

Command Syntax

Most commands follow a standard syntax:
chimera_<command_name> [parameters]

Boolean Commands

Many commands accept boolean values:
chimera_show_fps true   # Enable
chimera_show_fps false  # Disable
chimera_show_fps 1      # Enable (numeric)
chimera_show_fps 0      # Disable (numeric)

Numeric Parameters

Some commands accept numeric values:
chimera_fov 90          # Set field of view to 90 degrees
chimera_af 16           # Set anisotropic filtering to 16x

Multi-parameter Commands

Certain commands require multiple parameters:
chimera_console_prompt_color 255 0 0  # Set console color to red (RGB)
chimera_mouse_sensitivity 2 1         # Set horizontal and vertical sensitivity

Quick Setup Commands

Block All Bullshit

Chimera provides a convenient command to disable multiple annoying features at once:
chimera_block_all_bullshit
This command automatically runs:
  • chimera_block_gametype_indicator 1
  • chimera_block_gametype_rules 1
  • chimera_block_hold_f1 1
  • chimera_block_loading_screen 1
  • chimera_block_mouse_acceleration 1

Persistent Settings

Commands you execute are automatically saved to preferences.txt in the chimera folder. This ensures your settings persist between game sessions.

Hotkeys

You can bind commands to keyboard shortcuts using the hotkeys feature in chimera.ini. See the included configuration file for examples.

Next Steps

Explore the command categories above to find specific commands for your needs, or check out the chimera.ini configuration for additional customization options.

Build docs developers (and LLMs) love