What does Steam verify actually do?

Steam compares every local game file against the official manifest on Valve's servers. If any file is corrupted, missing, or modified, Steam re-downloads just that file. It does not delete your saves or settings.

How long does Steam verify take?

For Meccha Chameleon, verification typically takes 2-5 minutes depending on your disk speed and internet connection. The game is approximately 15-20 GB, so a full re-download (if needed) takes longer.

Will verifying files delete my Workshop maps?

No. Workshop maps are stored in a separate directory (`steamapps/workshop/content/4704690/`). Steam verify only checks the base game files, not subscribed Workshop content.

Should I verify files before or after clearing the shader cache?

Verify files first. If verification finds and replaces corrupted files, the old shader cache may no longer be compatible. Clear the shader cache after verification completes.

Using Steam Verify Game Files to Fix Meccha Chameleon

Corrupted game files are one of the most common causes of crashes, black screens, missing textures, and failed launches in Meccha Chameleon. Steam’s built-in file verification tool scans every file in your installation, compares it against Valve’s official servers, and re-downloads any corrupted or missing files. This guide covers when and how to use it effectively.

When to Verify Files

You should run Steam file verification if you experience:

Game crashes on launch with no error message
Black screen after the loading screen
Missing textures or purple/black checkerboard patterns
Audio cutting out or playing incorrectly
Game freezes during loading screens
After a Windows update that may have corrupted game files
After a power outage while the game was running
After installing or removing Workshop mods

Step-by-Step: Verify Game Files

Method 1: Through Steam Client

Open the Steam client.
Go to your Library.
Right-click Meccha Chameleon in the game list.
Select Properties.
Click the Installed Files tab on the left.
Click Verify integrity of game files.
Wait for the process to complete. Steam will show a progress bar.
When finished, Steam will report how many files were validated and if any were re-downloaded.
Launch the game.

Method 2: Through Steam Console

For a faster verification without opening the GUI:

Press Windows Key + R, type steam://open/console, and press Enter.
In the Steam console, type:
```
verify_installed_app 4704690
```
Press Enter. Steam will verify the game in the background.

After Verification: Clear Shader Cache

After Steam replaces corrupted files, the old shader cache may be incompatible with the new files. Clear it to prevent rendering issues:

Press Windows Key + R.
Type %LOCALAPPDATA%\Chameleon\Saved (or %LOCALAPPDATA%\MecchaChameleon\Saved) and press Enter.
Delete the ShaderCache folder.
Launch the game. The first load will take 2-3 minutes longer as shaders recompile. See the Shader Cache Cleanup Guide for more details.

What If Verification Does Not Fix It?

If Steam reports all files are validated but you still have issues:

1. Full Reinstall (Nuclear Option)

Right-click Meccha Chameleon in Steam > Manage > Uninstall.

Manually delete the game folder:

C:\Program Files (x86)\Steam\steamapps\common\MecchaChameleon\

Also delete the local config:

C:\Program Files (x86)\Steam\steamapps\common\MecchaChameleon\Saved\Config\

Restart Steam and reinstall the game.

2. Check Disk Health

Corrupted files can be a symptom of a failing hard drive:

Open Command Prompt as Administrator.
Run:
```
chkdsk C: /f /r
```
Type Y to schedule the check on next restart.
Restart your PC and let the check complete.

3. Check RAM Integrity

Faulty RAM can corrupt files during write operations:

Press Windows Key + R, type mdsched.exe, and press Enter.
Click Restart now and check for problems.
Windows will run a memory test on reboot.

For startup crashes that persist after verification, see the Crash on Launch Guide.

Steam Verify Game Files — Fix Guide

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