How many people are playing Kuroi Pen right now?

Kuroi Pen is app 5133500 on Steam. Player counts appear once the tracker has sampled it.

Status

SteamPeaks

Kuroi Pen

GameApp ID 5,133,500by Nasty DeveloperReleases To be announced

Playing now

—

All-time peak

—

View on SteamSteamCompare

App ID5,133,500

Release dateTo be announced

Engine—

Install size—

TypeGame

Last update6 Oct 2026

Steam DeckUnknown

DLC0

DeveloperNasty Developer

Changenumber39,531,000

Price—

Packages0

PublisherNasty Studio

SystemsWindows · macOS · Linux

Followers8

Depots0

Compare this game

Kuroi Pen

Nasty Developer·Nasty Studio
Releases To be announced·App 5133500

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

—

First samples arriving

—of peak

All-time peak

—

Tracking since the first sample

Update cadence · public branch

RSS Follow on Discord Add alert

PICS live

—

Since last public build

No public build seen yet

—

Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

—

Downloaded in 30 days

Quiet · no builds in 30 days

All 0 builds · UTC

When Nasty Developer ships

Click a cell to filter the builds table

036912151821

Kuroi Pen Patches · SteamPeaks

Kuroi Pen

Builds

All

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
No builds seen yet. New builds appear the moment a branch changes.

public branch · shipped todayother branchwide buildhas patch notes

Showing 0 of 0 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

Kuroi Pen

When Nasty Developer ships

Kuroi Pen

When Nasty Developer ships

Patch notes

Builds