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Sponge Break

Sponge Break is a physics-based co-op rafting game from developer Goose Byte, published by Balor Games, set to launch on Steam on July 31 Japan time. The game supports solo and up to four-player online co-op with proximity voice chat and over 100 customization decorations.

Synthesized from 3 Yomimono stories · updated Aug 10

Sponge Break was announced on July 8, 2026, by developer Goose Byte as a whitewater rafting game for up to four players on PC via Steam. The premise has players control sponges escaping a kitchen sink, rafting through sewers and rivers with physics-based mechanics. Hazards include saws, barbed wire, and beavers, and playtest sign-ups opened at announcement.

On July 25, 2026, publisher Balor Games confirmed the release date: the game would launch on Steam on July 31 Japan time. The announcement came just days after the initial reveal, suggesting the game was already in a polished state. The game supports solo play and up to four-player online co-op with mid-game joining and proximity voice chat, a design aimed at chaotic, real-time coordination among friends.

The game's mechanics center on steering a powerless raft down hazard-filled waterways. Players use a rubber cup that doubles as a grappling hook to pull the raft clear of walls, falling rocks, and beavers that chew the raft, or to drag teammates back to the raft. Steering mistakes can capsize the raft, washing away cargo and causing the raft to crumble under damage. The journey passes through sewers and abandoned facilities, with puzzles, environmental hazards, and beaver attacks. Players can repel beavers by punching them and find hidden supply caches.

Customization includes over 100 types of decorations, such as eyes, eyebrows, mouths, hats, floaties, and rubber cups, which can be freely combined. The game supports Japanese. A promotional video shows a jump pad that launches players onto rails, letting the raft ride like a roller coaster.

Key facts

Developer
Goose Byte
Publisher
Balor Games
Release date
July 31, 2026 Japan time
Platform
PC via Steam
Player count
Solo and up to four-player online co-op with mid-game joining
Voice chat
Proximity voice chat
Customization
Over 100 types of decorations, including eyes, eyebrows, mouths, hats, floaties, and rubber cups
Language support
Japanese

Timeline

Synthesized by Yomimono from the cited Yomimono stories below, each itself sourced, then editorially reviewed. Every fact links the story it came from.

Facts

Release
game · 2026-07-31 · Japan · 2026-08-04
Licensed by
Steam (Japan) · 2026-08-04
Announced
release date announcement · 2026-08-04
Announced
whitewater rafting game for up to four players on PC via Steam · 2026-07-08

Connections

Produces of
goose byte, balor games

Structured graph also available as JSON at /public/entities/sponge-break. CC BY 4.0.

All coverage

Aug 7

Sponge Break Rafting Game Sets July 31 Steam Release

Publisher Balor Games announced that Goose Byte's rafting game Sponge Break will launch on July 30, or July 31 in Japan due to the time difference. Players steer a powerless raft down hazard-filled waterways as a customizable sponge character, using a rubber cup grappling hook to pull the raft clear of walls, falling rocks, and beavers that chew the raft. The game supports solo play and up to four-player online co-op with mid-game joining and proximity voice chat.

Aug 4

Sponge Break Rafting Chaos Game Sets July 31 Release

Balor Games announced on July 25, 2026, that Goose Byte's cooperative river descent action game Sponge Break will launch on Steam on July 31 Japan time. The game supports up to four players who control sponges escaping the tyranny of the kitchen sink, riding a raft down dangerous rapids. Steering mistakes can capsize the raft, washing away cargo and causing the raft to crumble under damage. Players use a rubber cup that doubles as a grappling hook to pull teammates back to the raft or drag the raft on land. The journey passes through sewers and abandoned facilities, with puzzles, environmental hazards, and beaver attacks that can break the raft. Players can repel beavers by punching them and find hidden supply caches. The game features proximity voice chat for coordination, and it can be played solo, with multiplayer allowing mid-game joins. Customization includes over 100 types of decorations, such as eyes, eyebrows, mouths, hats, floaties, and rubber cups, which can be freely combined. The game supports Japanese. A PV shows a jump pad that launches players onto rails, letting the raft ride like a roller coaster.

Jul 8

Physics-Based Rafting Game 'Sponge Break' Announced for Steam

Developer Goose Byte announced Sponge Break, a whitewater rafting game for up to four players on PC via Steam. Players control sponges escaping a kitchen sink, rafting through sewers and rivers with physics-based mechanics. Hazards include saws, barbed wire, and beavers. Playtest sign-ups are open now.