itch.io storage incident

Itch App ENOSPC No Space Left On Device Write

If the itch desktop app reports ENOSPC: no space left on device, write, the failing write can come from the install library, downloads, app data, temp extraction, or the drive that holds the game. Measure the target drive and app folders first, then delete only files that are clearly rebuildable or safe to reinstall.

Read-Only Checks First

Run the section for your operating system. These commands measure free space and likely itch storage locations without deleting files or reading game contents.

df -h "$HOME" /tmp . 2>/dev/null
du -sh \
  "$HOME/Library/Application Support/itch" \
  "$HOME/.config/itch" \
  "$HOME/.itch" \
  "$HOME/Downloads" \
  /tmp 2>/dev/null

find \
  "$HOME/Library/Application Support/itch" \
  "$HOME/.config/itch" \
  "$HOME/.itch" \
  "$HOME/Downloads" \
  /tmp \
  -maxdepth 3 -type f -size +500M -print 2>/dev/null | head -80

Get-PSDrive -PSProvider FileSystem | Sort-Object Free | Format-Table Name,Root,Used,Free

$paths = @(
  "$env:APPDATA\itch",
  "$env:LOCALAPPDATA\itch",
  "$env:USERPROFILE\Downloads",
  $env:TEMP,
  $env:TMP
) | Select-Object -Unique

foreach ($path in $paths) {
  if (Test-Path -LiteralPath $path) {
    $stats = Get-ChildItem -LiteralPath $path -Force -Recurse -ErrorAction SilentlyContinue |
      Measure-Object -Property Length -Sum
    [pscustomobject]@{
      Path = $path
      Files = $stats.Count
      GB = [math]::Round(($stats.Sum / 1GB), 2)
    }
  }
}

foreach ($path in $paths) {
  if (Test-Path -LiteralPath $path) {
    Get-ChildItem -LiteralPath $path -Force -Recurse -ErrorAction SilentlyContinue |
      Where-Object { -not $_.PSIsContainer -and $_.Length -gt 500MB } |
      Sort-Object Length -Descending |
      Select-Object -First 40 FullName,@{Name='MB';Expression={[math]::Round($_.Length/1MB,1)}},LastWriteTime
  }
}

What Is Usually Safe To Review

• Old installers, zip files, and duplicate downloads after you confirm the game can be re-downloaded.
• Stale extraction temp files left after a failed install or update.
• Games you intentionally uninstall through the itch app, not by deleting unknown app-state folders first.
• Large non-game files in Downloads that are unrelated to active installs.

Do Not Delete First

• Save files, local game folders, mods, or project builds you cannot re-download.
• The whole itch app data folder before checking whether it contains install metadata or active downloads.
• Random temp folders while itch is still installing or updating a game.
• Private logs or crash reports posted publicly without checking for local paths or account details.

Fast Decision

If the target drive has almost no free space, free at least several GB before retrying the install. If the drive is healthy but itch app data or temp is huge, identify whether the growth is a resumable download, an extraction folder, or a stale failed update before deleting it.