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</> FREE MOD

Achievement Unlocker

"Unlock or reset Steam achievements for Cat Mail Co."

Cat Mail Co. — Achievement Unlocker
</> utility
FREE

How do I install Achievement Unlocker?

Download the free ProjectMods desktop app, then install Achievement Unlocker for Cat Mail Co. in one click.

Version1.0.0
Updated2026/07/16
AuthorProjectMods
AchievementsSteamUnlockProgress

</>What does Achievement Unlocker do?

Achievement Unlocker helps with unlock or reset Cat Mail Co. Steam achievements, including story, room, stamp, and parcel milestones. Use the controls while you are at the post office. Sustained options can be turned off to restore normal behaviour. This is useful for testing routes, clearing clutter, speeding up shifts, or experimenting with unlocks without grinding every step again.

</>What is Achievement Unlocker?

Looking for a Cat Mail Co. achievement unlocker mod? Unlock or reset Cat Mail Co. Steam achievements, including story, room, stamp, and parcel milestones. Ideal for solo play and hosted co-op sessions when you want faster sorting, progression, or quality-of-life controls.

</>Common questions about Achievement Unlocker

What does Achievement Unlocker change?

Unlock or reset Cat Mail Co. Steam achievements, including story, room, stamp, and parcel milestones.

Do I need to be in a shift?

Yes. Load into the post office / active game before using the controls.

Does it work in co-op?

Personal movement and fly affect your cat. Shared station changes should be used by the host when possible.

Can I turn sustained options back off?

Yes. Disable toggles or set multipliers back to 1 to restore normal behaviour.

What options does Achievement Unlocker include?

Unlock Specified Achievement

Unlocks the selected achievement.

Select Achievement

Choose an achievement to unlock.

Lock All Achievements

Resets and locks all Steam achievements.

Unlock All Achievements

Unlocks every listed Cat Mail Co. achievement.

Quick Answer

Achievement Unlocker unlock or reset Cat Mail Co. Steam achievements, including story, room, stamp, and parcel milestones.

System Requirements

OS: Windows 10 or Windows 11
Processor: Intel Core i5-3330 3.0 GHz, AMD FX-8300 3.3 GHz
Memory: 8 GB RAM
Graphics: NVIDIA GeForce GTX 950 or Radeon HD 7970
Storage: 4 GB available space

What features does Achievement Unlocker include?

  • Unlock one chosen achievement.
  • Unlock every listed achievement.
  • Lock all achievements again.

Best For

  • Use Achievement Unlocker during a busy post office shift.
  • Use it in a hosted co-op session when the group wants a faster pace.

Last updated: 2026/07/16

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