Citadel Zero

Overview

App ID4889540

Release dateJul 17, 2026

Last change number40199573

Last record update11 hours ago

App info

App type

Game

Developer

PYRHAMID Studio

Publisher

PYRHAMID

Steam profile

Not counted yet: Steam is still getting to know this game, so it doesn't add to game counts or achievement totals · checked 13 hours ago

Platforms

Windows macOS Linux

Features

9

Single-playerMulti-playerPvPOnline PvPIn-app purchasesSteam AchievementsSteam CloudSteam LeaderboardsFamily Sharing

Patches

Builds

2

Build	Branch	Updated
26180486	public	Oct 24, 2026
26140855	public	Oct 22, 2026

Depots

Depots

3

ID	Name	Systems	Size	Download	Manifest
4889541	—	Windows	527.6 MB	239.2 MB	5364929651395672266
4889542	—	Linux	521.1 MB	230.2 MB	9180664699233607377
4889543	—	macOS	674.3 MB	294.9 MB	8749820080392450043

Branches

1

Branch	Build	Updated	Access
public	26180486	Oct 24, 2026	Open

Configuration

Install foldersteamapps/common/Citadel Zero

Launch options

3

Executable	Arguments	Systems	Description
Citadel Zero.exe		Windows
citadel-zero		Linux · 64-bit
Citadel Zero.app		macOS

Cloud saves

Space per player95.4 MB

Filesup to 1,000

Save locations0

Achievements

Achievements503 hidden

Most unlocked28.9%Pristine Defender

Rarest12.1%Before the Void

Global unlock rate

share of players who have it

• Pristine Defender Clear a boss quest without losing a single tower. 28.9%
• First Hunt Defeat your first chapter boss. 28.9%
• Citadel Awakened Clear the final quest of Chapter 1 — the Aether Marshal falls. 28.8%
• Citadel Sprint Clear all Chapter 1 quests in under 30 minutes total. 28.1%
• Untouchable Defeat a chapter boss without taking any damage. 26%
• Chapter 1 Master Clear every quest of Chapter 1 with 3 stars. 23.5%
• Bone Reclaimed Clear the final quest of Chapter 2 — the Bone Sovereign returns to dust. 20.7%
• Chapter 2 Master Clear every quest of Chapter 2 with 3 stars. 19.3%
• Forge Extinguished Clear the final quest of Chapter 3 — the Forge Lord's flame dies. 16.7%
• Rift Sealed Clear the final quest of Chapter 4 — the Quantum Archon unravels. 16.5%
• Legend Born Summon your first Legendary from the gate. 16.5%
• Chapter 3 Master Clear every quest of Chapter 3 with 3 stars. 16.4%
• Chapter 4 Master Clear every quest of Chapter 4 with 3 stars. 16.1%
• The Architect Falls Clear the final quest of Chapter 5 — you ARE the Citadel now. 16%
• First Contract Complete your first Contracts run. 15.5%
• Chapter 5 Master Clear every quest of Chapter 5 with 3 stars. 15.3%
• New High Score Beat your previous best Contracts run. 15.3%
• Chronicle Completionist Clear every Chronicle quest with 3 stars. 15.1%

All 50 achievements

• Contractor Complete 10 Contracts runs. 14.9%
• One Thousand Cuts Kill 1,000 enemies in a single Contracts run. 14.6%
• Wave Walker Reach Wave 50 in a Contracts run. 14.5%
• Slaughter Symphony Kill 10,000 enemies in a single Contracts run. 14.5%
• Century Defender Reach Wave 100 in a Contracts run. 14.4%
• Augment Archivist Pick 30 unique augments in a single Contracts run. 14.4%
• Sentinel of the Rift Reach Wave 150 in a Contracts run. 14.3%
• First Blood Win your first Ascension match. 14.1%
• Apocalypse Witness Survive into the Rift Collapse phase (60 minutes). 13.3%
• Heart of the Void Reach Wave 200 in a Contracts run. 13.2%
• Untouchable Victor Win an Ascension match without losing a tower. 12.9%
• Voidsworn Complete 100 Contracts runs. 12.4%
• Five Crowns Awaken 5 different towers to SS rank. 12.4%
• Millionaire Earn 1,000,000 Stellar Marks in total. 12.4%
• Void Hoarder Earn 10,000 Void Shards in total. 12.4%
• Victorious Win 10 Ascension matches. 12.3%
• Tower Collector Own at least one copy of all 30 towers. 12.3%
• Devoted Log in 30 days in a row. 12.3%
• Iron Resolve Reach Bronze rank in Ascension. 12.2%
• Silver Sentinel Reach Silver rank in Ascension. 12.2%
• Golden Tactician Reach Gold rank in Ascension. 12.2%
• Platinum Strategist Reach Platinum rank in Ascension. 12.2%
• Diamond Mind Reach Diamond rank in Ascension. 12.2%
• Riftbound Sovereign Reach Riftbound rank in Ascension. 12.2%
• Unit Collector Own at least one copy of every PvP unit. 12.2%
• Ascendant Awaken your first tower to SS rank. 12.2%
• Talent Master Spend all 40 talent points on a single page. 12.2%
• The Architect Whispers Hidden achievement 12.2%
• The Final Truth Hidden achievement 12.2%
• Champion Win 100 Ascension matches. 12.1%
• Apex Deck Field a loadout of 4 towers all at meta level 5. 12.1%
• Before the Void Hidden achievement 12.1%

Update history

Changes to the Steam record

since we started watching

1. Oct 25, 2026 · 01:45 #40199573

   • depots.4889541.manifests.public.download 249718368 → 250823120
   • depots.4889541.manifests.public.gid 7883955560750001514 → 5364929651395672266
   • depots.4889541.manifests.public.size 551898762 → 553247803
   • depots.4889542.manifests.public.download 240263792 → 241380272
   • depots.4889542.manifests.public.gid 7708852010190179900 → 9180664699233607377
   • depots.4889542.manifests.public.size 545061180 → 546408434
   • depots.4889543.manifests.public.download 308179984 → 309262400
   • depots.4889543.manifests.public.gid 1426903376173696234 → 8749820080392450043
   • depots.4889543.manifests.public.size 705661507 → 707008541
   • depots.branches.public.buildid 26140855 → 26180486
   • depots.branches.public.timebuildupdated 1792692883 → 1792836995
   • depots.branches.public.timeupdated 1792693085 → 1792837116