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Achievement Unlocker

"Unlock any Casualties: Unknown Steam achievement, or all 40 at once."

Casualties: Unknown — Achievement Unlocker
</> utility
PREMIUM

How do I install Achievement Unlocker?

Download the free ProjectMods desktop app, then install Achievement Unlocker for Casualties: Unknown in one click.

Version1.0.0
Updated2026/11/13
AuthorProjectMods
AchievementsAchievement UnlockerUnlock AllSteam

</>What does Achievement Unlocker do?

Achievement Unlocker lists all 40 Steam achievements of Casualties: Unknown by name, from Company's Best and Cannon Fodder to Heavy Metal and Round and Round We Go. Pick one in Select Achievement and press Unlock Specified Achievement to unlock just that one, or press Unlock All Achievements to finish the whole set. After each press the mod tells you how many of the 40 you now have. It works on the main menu or in a run, including the tutorial, and also in a session where the developer console has already turned achievements off. Lock All Achievements locks every achievement again so you can earn them in play. When the game next starts, it reads Company's Best, Company's Worst and To Be Continued and marks those endings as done, the same as finishing them; locking does not take that mark away.

</>What is Achievement Unlocker?

Achievement Unlocker lists all 40 Steam achievements of Casualties: Unknown by name. Pick one and unlock it, or unlock the whole set with one button, and the mod tells you how many of the 40 you now have. It works on the main menu or in a run, including the tutorial and sessions where the developer console has turned achievements off. Lock All Achievements locks every achievement again so you can earn them in play.

</>Common questions about Achievement Unlocker

Do I need to be in a run?

You do not need to be in a run to use Achievement Unlocker. The three buttons work on the main menu, during a run and in the tutorial. Steam has to be running and signed in, because the mod writes the achievements to your Steam account. If Steam is not connected yet, the mod tells you to wait for the main menu and press the button again.

Does it work after I used the developer console?

Achievement Unlocker still works after you have used the developer console. Any console command that changes the game turns achievements off for the rest of that session, so the game stops unlocking them. The mod does not go through that switch: it unlocks the achievement you pick on Steam directly, and it never turns the game's own achievements on or off.

Does it change my run save?

Achievement Unlocker does not touch your run save or your run settings. Steam keeps the achievements on your account. One thing does carry over: when the game next starts, it reads Company's Best, Company's Worst and To Be Continued and marks those endings as done, the same as finishing them in play. Locking the achievements later does not take those marks away. Nothing else the game stores is changed, and no setting needs to be put back when you stop using the mod or unload it from the launcher.

Does it unlock Milky and Dune?

Achievement Unlocker does not unlock the characters Milky and Dune. The game unlocks those from runs you finish, not from Steam achievements, so unlocking Cannon Fodder, The Marksman or The Cannibal leaves the character select screen exactly as it was.

Can I undo it?

You can undo it with the Lock All Achievements button. It locks all 40 achievements again on Steam and lets the game award them again in the same session. The ending marks for Company's Best, Company's Worst and To Be Continued stay.

What options does Achievement Unlocker include?

Unlock Specified Achievement

Unlocks the chosen achievement on Steam and says how many you now have.

Select Achievement

Choose one of the 40 Steam achievements.

Lock All Achievements

Locks every achievement again so you can earn them in play.

Unlock All Achievements

Unlocks all 40 achievements on Steam.

Quick Answer

Achievement Unlocker lists all 40 Casualties: Unknown Steam achievements by name. Unlock one, unlock all of them, or lock them all again, from the main menu or during a run.

System Requirements

OS: Windows 10 (64-bit)
Processor: Intel Core i3-8130U 2.20 GHz
Storage: 500 MB available space

What features does Achievement Unlocker include?

  • All 40 Steam achievements listed by name.
  • Unlock one achievement or the whole set.
  • Says how many of the 40 you now have after each press.
  • Works in the tutorial and after using the developer console.
  • Lock every achievement again to earn them in play.

Best For

  • Get an achievement back that did not pop after you did what it asks.
  • Fill in achievements you missed after a crash lost a run.
  • Start your collection over and earn every achievement again.

Last updated: 2026/11/13

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