SUMOO Demo

SUMOO is a minimalist grid puzzle where numbers slide, meet, and add up. Every stage demands one exact number. Use pits, portals, and multipliers to land on it.

About SUMOO Demo

SUMOO Demo is a free Steam demo from Duck Tile. Steam files it under Casual and Indie. It supports single-player and full controller support and runs on Windows, macOS and Linux / Steam Deck. Steam lists the release date as Sep 1, 2026. We first spotted it on Oct 26, 2026.

Type

Steam demo

Status

open

For

SUMOO

Developer

Duck Tile

Genres

Casual, Indie

Platforms

Windows, macOS, Linux / Steam Deck

Release

Sep 1, 2026

First seen

2026-10-26