© 2026
IN HARNESS is an online co-op 3D jumping game for 1–10 players. With simple move and jump controls, pets team up to clear tough stages and reunite with a girl in heaven, bringing the warm “Helper’s High” of saving friends.
Genre
Online Co-op 3D Jumping Action
~ A Bonded Adventure to Heaven ~
Number of Players
1–10 players (planned) Online Co-op Play
World & Story
A girl and her pets were enjoying their usual walk.
But suddenly, a tragic traffic accident took the girl’s life, sending her to heaven.
Before the grieving pets appeared a mysterious “path to heaven.”
The pets decide to help each other and set out on a journey to reach her.
An original game inspired by “Only Up!” and “Chained Together,” with unique elements added!
Controls are super simple—just move and jump.
As the name “IN HARNESS” implies, the game is designed with a focus on cooperation.
Experience the warm feeling of “Helper’s High” when you save a friend!
Not good at action games? No problem!
If you fall, you’ll transform into a floating bubble and rise back up.
If a teammate touches your bubble, you’ll revive—so help each other out!
Use voice chat to tackle puzzle-like gimmicks together!
For example, hanging from or pulling each other with the harness,
or puzzles where the blocks you can touch change for each player.
Talk things through and solve the puzzles as a team!
Simple and cute graphics!
Choose from 180 adorable pets!
Low-poly 3D models are used for smooth performance, even on low-spec PCs or smartphones.
Platforms
Windows / Mac / Android / iOS
Supports cross-platform play!
Invite your friends and play together!
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