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Underward Achievements · Ludixa

Achievements

Every Underward achievement, ordered by how few players in the world have unlocked it.

Sign in to keep track of what you have here — unlocked entries stay ticked off, and you can filter down to what is left.

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Data from Steam — Steam Web API Terms of Use. Last updated 5 Sept 2026.

Unlocked by

High → low

38 of 38 entries

Seeker of Chaos (ABYSS)

Seeker of Chaos (ABYSS)Clear CHAOS Mode solo on “ABYSS” difficulty0.1%Ultra rare

Seeker of the “Abyss”

Seeker of the “Abyss”Clear Floor 240.1%Ultra rare

The Alpha

The AlphaSolo clear Floor 180.1%Ultra rare

Legendary Investigator

Legendary InvestigatorSolo clear Floor 240.1%Ultra rare

All Complete

All CompleteCollect all achievement0.1%Ultra rare

Survivor of Chaos (ABYSS)

Survivor of Chaos (ABYSS)Clear CHAOS Mode on “ABYSS” difficulty0.1%Ultra rare

Seeker of Chaos (NORMAL)

Seeker of Chaos (NORMAL)Clear CHAOS Mode solo on “NORMAL” difficulty or higher0.1%Ultra rare

Seeker of Chaos (HARD)

Seeker of Chaos (HARD)Clear CHAOS Mode solo on “HARD” difficulty or higher0.1%Ultra rare

Sealed Zone Breakthrough

Sealed Zone BreakthroughClear Floor 180.2%Ultra rare

Survivor of Chaos (HARD)

Survivor of Chaos (HARD)Clear CHAOS Mode on “HARD” difficulty or higher0.2%Ultra rare

Hard-Boiled

Hard-BoiledSolo clear Floor 120.3%Ultra rare

You’re On Your Own

You’re On Your OwnSolo clear Floor 60.6%Ultra rare

Survivor of Chaos (NORMAL)

Survivor of Chaos (NORMAL)Clear CHAOS Mode on “NORMAL” difficulty or higher0.9%Ultra rare

Test Subject Collector (150)

Test Subject Collector (150)Fill 150 entries in the Subject archive1%Very rare

Danger Zone Breakthrough

Danger Zone BreakthroughClear Floor 121.2%Very rare

Solo Infiltration

Solo InfiltrationSolo clear Floor 11.8%Very rare

Chairman of the Board

Chairman of the BoardReach Player Rank 1002%Very rare

CEO

CEOReach Player Rank 902.6%Very rare

Vice President

Vice PresidentReach Player Rank 803.3%Very rare

Executive Officer

Executive OfficerReach Player Rank 704.2%Very rare

Test Subject Collector (100)

Test Subject Collector (100)Fill 100 entries in the Subject archive4.4%Very rare

Senior Executive

Senior ExecutiveReach Player Rank 605.2%Rare

Challenge the Chaos

Challenge the ChaosPlayed CHAOS Mode5.7%Rare

Hidden Truth

Hidden TruthClear Floor 66.3%Rare

Division Head

Division HeadReach Player Rank 506.5%Rare

Department Head

Department HeadReach Player Rank 407.8%Rare

Deputy Head

Deputy HeadReach Player Rank 309.5%Rare

Test Subject Collector (50)

Test Subject Collector (50)Fill 50 entries in the Subject archive10.2%Rare

Manager

ManagerReach Player Rank 2012.3%Rare

Congratulations on Passing

Congratulations on PassingClear the tutorial level12.8%Rare

Assistant Manager

Assistant ManagerReach Player Rank 1513.4%Rare

Retrieval Complete

Retrieval CompleteClear Floor 115.3%Rare

Supervisor

SupervisorReach Player Rank 1015.3%Rare

Test Subject Collector (20)

Test Subject Collector (20)Fill 20 entries in the Subject archive16%Rare

Test Start

Test StartPlay the tutorial level17.2%Rare

Employee

EmployeeReach Player Rank 518.8%Rare

Test Subject Collector (5)

Test Subject Collector (5)Fill 5 entries in the Subject archive20.7%Uncommon

Welcome to UNDERWARD

Welcome to UNDERWARDSelect “Play” from the title screen25.6%Uncommon