Sephonie

A story-driven 3D platformer blending parkour with tile-based creature research

Melos Han-Tani, Marina Kittaka · Published by Analgesic Productions · Released Apr 12, 2022

Action Adventure Indie RPG Simulation Sports

Reviews: Very Positive; 95% of 220
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 2 years ago; Dec 8, 2023
Minimum PC: 610M; 3 GB RAM · 1 GB disk; Full requirements

What is Sephonie?

Sephonie is a single-player 3D platforming adventure about three biologists shipwrecked on an uninhabited island. You explore its cave network by jumping, wallrunning, and using creatures to grapple or climb. To research wildlife, you arrange colored tiles into connected groups of one color; linking with certain creatures grants abilities that let you reach deeper areas.

For you if...

+you enjoy character-focused stories about relationships and nature
+you like searching surreal environments for hidden collectibles

Not for you if...

−you want uninterrupted platforming without dialogue or puzzle breaks

What players say

95% of 220 reviews are positive

Players praise the atmosphere, visual style, and challenging platforming. Common complaints concern awkward movement controls and camera problems, particularly while sprinting.

Screenshots and trailer

Sephonie system requirements

Minimum: 610M, 3 GB RAM, 1 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7
Processor: 64-bit Dual-core 2.5 GHz
Graphics: GeForce 610M
Memory: 3 GB RAM
Storage: 1 GB available space

Does Sephonie have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Sephonie run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, macOS
Achievements: 19
Steam features: Cloud saves, Family Sharing
Languages: Full audio: English, Japanese, German.

Does Sephonie use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam