Overview
Upstream invites players into the challenging world of a salmon's perilous journey back to its spawning grounds. Developed and published by Gllama Games, this title offers a unique physics-based platforming experience where instinct and resilience are paramount. Players will navigate treacherous waters and overcome constant dangers, with success hinging entirely on their ability to react to adversity.
Highlights
- Embark on a challenging physics-based platformer as a salmon on its journey home.
- Features a nonlinear, exploration-focused design with dynamic narration.
- Supports multiplayer, Steam Achievements, and Steam Cloud integration.
Who It's For
This game is for players who enjoy precision platformers and are looking for a unique challenge. If you appreciate games that test your reflexes and problem-solving skills in an unconventional setting, Upstream should be on your radar. The physics-based mechanics and nonlinear exploration will appeal to those seeking a fresh take on the genre.
Game Info
Upstream was released on March 24, 2025, and is developed and published by Gllama Games. It supports a wide range of languages, including English, Japanese, and Simplified Chinese. The game is a paid title with a positive reception from Steam users. Its core gameplay revolves around precise movement and environmental interaction, driven by its physics engine.





