Coming Oct 28, 2026 Early Access Free

Portentum

By Snowfall Games

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Portentum is a game tagged Auto Battler, Deckbuilding and Free to Play by Snowfall Games, launching on Steam on Oct 28, 2026. That is a packed week for games like it, with 71 similar games launching the same week. The quietest week ahead for games like it starts Nov 23. The Steam games most like it include Blightfell, Atman:Rebel Flame and Duel Legends.

The cryptid deck-building auto battler. Hunt for broken combos with cryptids like Bigfoot, Jimothy, Nessie, and the Chupacabra. If somebody's uncle saw it in the woods in 1973, there's a good chance it's a card in Portentum.

From the Steam page

Busiest weeks for games like this one in the next 12 weeks:

Week of Nov 2, 2026 — Packed, 79 similar games
Week of Oct 26, 2026 — Packed, 71 similar games
Week of Nov 9, 2026 — Packed, 61 similar games

Quietest: Nov 23, Dec 7, Jan 11.

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Queen's Domain Fri, Oct 30 · 14,824 followers
PAO PAO Mon, Oct 26 · 13,172 followers
Divine Frequency Mon, Oct 26 · 6,356 followers
Giggleland Mon, Oct 26 · 6,212 followers
Airport Contraband Wed, Oct 28 · 5,832 followers

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<a href="https://launchrivals.com/games/4836460-portentum"><img src="https://launchrivals.com/games/4836460/badge.png" alt="Portentum launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/4836460-portentum"><img src="https://launchrivals.com/games/4836460/badge.png?theme=light" alt="Portentum launch date" width="320" height="84"></a>

Blightfell 78% match · Auto Battler, Deckbuilding, Free to Play
Atman:Rebel Flame 73% match · Auto Battler, Deckbuilding, Free to Play
Duel Legends 71% match · Auto Battler, Deckbuilding, Free to Play
Warhammer Combat Cards 70% match · Deckbuilding, Free to Play, Multiplayer
Pocket Quest 69% match · Auto Battler, Deckbuilding, Free to Play
Card Heroes: Rune Deck 68% match · Deckbuilding, Free to Play, Multiplayer
Become the Moon 68% match · Auto Battler, Deckbuilding, Free to Play
13 柱庭 / Cabal 13 67% match · Auto Battler, Deckbuilding, Multiplayer
Call of Clans 67% match · Auto Battler, Deckbuilding, Free to Play
Auto Kingdom Crunch 67% match · Auto Battler, Free to Play, Multiplayer

Steam data

Everything Steam lists for Portentum · record updated 1 day ago

Steam store

Overview

App ID4836460

Release dateOct 28, 2026

Last change number40203729

Last record update1 day ago

App type: Game
Developer: Snowfall Games
Publisher: Snowfall Games
Website: portentum.game
Support: snowfall.games/support
Contact: Sign in free to see how to reach the studio
Links: Website

Language	Interface	Full audio	Subtitles
English	Yes
French	Yes
Italian	Yes
German	Yes
Spanish - Spain	Yes
Spanish - Latin America	Yes
Bulgarian	Yes
Czech	Yes

All 29 languages

Language	Interface	Full audio	Subtitles
Danish	Yes
Dutch	Yes
Finnish	Yes
Greek	Yes
Hungarian	Yes
Malay	Yes
Japanese	Yes
Korean	Yes
Norwegian	Yes
Polish	Yes
Portuguese - Brazil	Yes
Portuguese - Portugal	Yes
Romanian	Yes
Russian	Yes
Simplified Chinese	Yes
Swedish	Yes
Thai	Yes
Traditional Chinese	Yes
Turkish	Yes
Ukrainian	Yes
Vietnamese	Yes

Windows macOS Linux 64-bit

Steam Deck: Unknown
Controller: Full support

Single-playerMulti-playerPvPOnline PvPCross-platform multiplayerSteam AchievementsIn-app purchasesFamily SharingFull controller supportPlayStation controllersXbox controllersPlayStation controller Bluetooth