Released May 2, 2025 $19.99 Very Positive Counts toward your Steam games

Vellum

By Alvios Games · published by Alvios, Inc.

Online Co-Op Action Roguelike Third-Person Shooter Fantasy Magic 3D Roguelite Action RoguelikeMultiplayerPvECo-op

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Followers —

Reviews 1,300 Very Positive

Players yesterday 141 at the busiest moment

Owners 20K–50K estimated

Vellum is a game tagged Online Co-Op, Action Roguelike and Third-Person Shooter by Alvios Games, released May 2, 2025. It has 1,300 Steam reviews (Very Positive). It has an estimated 20K–50K owners on Steam. The Steam games most like it include Atomic Picnic, What the Fog and LORT.

Write on! Defend the books in Vellum, a co-op, literary roguelike! Harness class-defining colors, master an inspired spellbook, and influence the growth of your enemy! As a group or solo, you'll craft plot-twisting builds to rewrite the rules in Ink!

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<a href="https://launchrivals.com/games/917950-vellum"><img src="https://launchrivals.com/games/917950/badge.png" alt="Vellum launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/917950-vellum"><img src="https://launchrivals.com/games/917950/badge.png?theme=light" alt="Vellum launch date" width="320" height="84"></a>

Atomic Picnic 76% match · Online Co-Op, Action Roguelike, Third-Person Shooter
What the Fog 75% match · Online Co-Op, Action Roguelike, Third-Person Shooter
LORT 71% match · Online Co-Op, Action Roguelike, Third-Person Shooter
Void Fighters 71% match · Online Co-Op, Action Roguelike, 3D
Cowboy 3030 71% match · Online Co-Op, Action Roguelike, Third-Person Shooter
HolyMoly 70% match · Online Co-Op, Action Roguelike, Third-Person Shooter
Ultra Mega Cats 70% match · Online Co-Op, Action Roguelike, Third-Person Shooter
Abracablabla 69% match · Online Co-Op, Action Roguelike, Third-Person Shooter
Phantom Fools 68% match · Online Co-Op, Action Roguelike, Magic
Gatedelvers 67% match · Online Co-Op, Action Roguelike, Fantasy

Steam data

Everything Steam lists for Vellum · record updated 22 hours ago

Steam store

Overview

App ID917950

Release dateMay 2, 2025

Last change number40185660

Last record update22 hours ago

App type: Game
Developer: Alvios Games
Publisher: Alvios, Inc.
Steam profile: Counts toward game count and achievement totals · checked Nov 1, 2025
Technologies: Unity detected
Website: vellumgame.com

Windows 64-bit

Steam Deck: Playable
Controller: Full support

Single-playerMulti-playerCo-opOnline co-opSteam AchievementsSteam CloudSteam Trading CardsFull controller supportPlayStation controllersXbox controllersPlayStation controller BluetoothFamily Sharing

Prices

Price · US$19.99

On sale0 of 41regions right now

Lowest seen · US$19.99Oct 24, 2026

Checked1 day agoin 41 regions

Japan¥JPY

Every price change is kept from Oct 24, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
26170015	public	Oct 23, 2026
26170015	testing	Oct 23, 2026
18468049	crashtester	May 15, 2025

Depots

ID	Name	Systems	Size	Download	Manifest
917951	—	Windows	4.71 GB	2.22 GB	8420282224851307194
917952	—	macOS	—	—	—

Branch	Build	Updated	Access
public	26170015	Oct 23, 2026	Open
testing Current testing branch	26170015	Oct 23, 2026	Open
crashtester Used for specific debugging	18468049	May 15, 2025	Open

Configuration

Install foldersteamapps/common/Vellum

Executable	Arguments	Systems	Description
Vellum.exe		Windows · 64-bit
Vellum.exe	-force-d3d12	Windows · 64-bit	with DirectX 12

Space per player953.7 MB

Filesup to 1,000

Save locations1

Root	Path	Pattern	Systems
WinAppDataLocalLow	Alvios/Vellum	*.vel	Windows

Data from public Steam pages, updated daily; 1 day of history. Owner counts are estimates. LaunchRivals is not affiliated with Valve or Steam.

Vellum

About Vellum

Steam data

Overview

App info

Platforms

Features

Prices

Japan¥JPY

Americas 10

Europe 5

CIS 4

Asia-Pacific 15

Middle East & Africa 7

Patches

Builds

Depots

Depots

Branches

Configuration

Launch options

Cloud saves