Portentum

The cryptid deck-building auto battler. Hunt for broken combos using cryptids from around the world like Bigfoot, Jimothy, Nessie, and the Chupacabra. If somebody's uncle saw it in the woods in 1973, there's a…

TBA

Indie Strategy

Portentum is an indie developed by Snowfall Games on Linux, Mac and PC (Microsoft Windows).

Verified 10 Oct 2026 Sources: IGDB , Steam

What Portentum is

Portentum was developed by Snowfall Games. It is available on Linux, Mac and PC (Microsoft Windows). It runs on Defold.

The premise, in the publisher's words

The cryptid deck-building auto battler. Hunt for broken combos using cryptids from around the world 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.

Description from the publisher · source

How it plays

It is played from a bird view / isometric perspective. It is a single-player game with no multiplayer component. Available modes: Multiplayer and Single player.