Steam

Mortal Shell II Achievements

Official Steam achievement definitions and latest reported global unlock rates, ordered from rarest to most common.

Total achievements53

Rarest rate4.70%

Ultra rare0

Last checkedSep 10, 2026

Delayed official data

Rates and award counts were last observed on Sep 10, 2026.

Meat's Back on the Menu, Boys!

No public description is available.

Common

56.5%last reported global rate

Big Boi

Unlock Great Martyr's Blade

Common

59.1%last reported global rate

Vengeance is Mine

Unlock Eredrim

Common

60.4%last reported global rate

Cut You Down to Size

Unlock the Veteran's Battle Axe

Common

62.1%last reported global rate

Wheelie Good Time

No public description is available.

Common

63.4%last reported global rate

Old School

Unlock the Forgotten Crossbow

Common

66.2%last reported global rate

Deep Cuts

Unlock Axe and Dagger

Common

66.6%last reported global rate

Haunting Times

Watch your first Shell Memory

Common

72.0%last reported global rate

Arrival

Unlock Proxima

Common

79.4%last reported global rate

Forever Alone?

Unlock Tiel

Common

80.7%last reported global rate

Mid Summer?

Enter the Festival

Common

84.2%last reported global rate

Home at Last

Reach Marrowkeep

Common

91.6%last reported global rate

You're More Than a Weapon

Claim your first Shell, Weapon and Sidearm

Common

93.4%last reported global rate