Upstream

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: Gllama Games.

Tags: Solo, Precision Platformer, Physics, Underwater.

Steam reviews: Positive (100% of 18).

Price: $2.79 (was $7.99, 65% off).

Released 2025-03-24.

Last updated 2026-03-25.

Upstream on Game Goose · Steam store page

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