Upstream
Developed by Gllama Games · Published by Gllama Games
At a glance
Overview
An adventure, casual, indie game by Gllama Games, published by Gllama Games — single-player.
Steam’s own one-line description: “Play as a salmon journeying home in this challenging physics based platformer using only two buttons! Remember that on a voyage through innumerable obstacles and constant danger, it is your reaction to adversity that determines your success.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Upstream.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | Yes |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS: Windows 10
- Processor: Intel i5 9th Gen or Equivalent
- Memory: 4 GB RAM
- Graphics: GTX 1050 Ti or Equivalent
- Storage: 150 MB available space
Supported languages (12)
Upstream FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Upstream?
Steam classifies Upstream as a Adventure, Casual, Indie game, developed by Gllama Games. Play as a salmon journeying home in this challenging physics based platformer using only two buttons! Remember that on a voyage through innumerable obstacles and constant danger, it is your reaction to adversity that determines your success.
How much does Upstream cost?
As of June 2026, Steam lists Upstream at $7.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Upstream single-player or multiplayer?
Steam lists these modes for Upstream: Single-player. It lists a single-player mode.
Is Upstream on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Upstream for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Upstream out yet?
Yes — Steam lists a release date of Mar 24, 2025.
What platforms is Upstream on?
Upstream is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Upstream single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Upstream cost?
Steam lists it at $7.99.
Does Upstream have achievements?
Yes — Steam lists 26 achievements for Upstream.
Who made Upstream?
Upstream is developed by Gllama Games and published by Gllama Games.
Where to get Upstream
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Gllama Games.