Games like Space Pilgrim Academy: Year 1
Games like Space Pilgrim Academy: Year 1 include Outer Wilds, GRIS, Hollow Knight: Silksong, To the Moon, and Starfield. We matched them by the tags players give Space Pilgrim Academy: Year 1 on Steam (Adventure, Indie, Space, Story Rich, and Sci-fi): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Space · Adventure · Story Rich

GRIS
Shared: Indie · Adventure · Atmospheric

Hollow Knight: Silksong
Shared: Indie · Adventure · Singleplayer

To the Moon
Shared: Indie · Story Rich · Adventure

Starfield
Shared: Space · Sci-fi · Singleplayer

OneShot
Shared: Indie · Story Rich · Adventure

The Witcher 3: Wild Hunt — Remastered
Shared: Story Rich · Adventure · Singleplayer

Space Pilgrim Episode I: Alpha Centauri
Shared: Adventure · Space · Indie

Deliver Us The Moon
Shared: Adventure · Indie · Space

Transistor
Shared: Indie · Story Rich · Sci-fi

STAR WARS™ Knights of the Old Republic™
Shared: Story Rich · Sci-fi · Adventure

Observation
Shared: Adventure · Indie · Space

Hollow Knight
Shared: Indie · Adventure · 2D

Mass Effect (2007)
Shared: Story Rich · Sci-fi · Space

Mass Effect™ Legendary Edition
Shared: Story Rich · Sci-fi · Space

Firewatch
Shared: Adventure · Story Rich · Indie

HIVESWAP: ACT 1
Shared: Adventure · Indie · Story Rich

The Turing Test
Shared: Sci-fi · Adventure · Space

Tales of the Black Forest
Shared: Indie · Adventure · Story Rich

Finding Paradise
Shared: Adventure · Story Rich · 2D

STAR WARS™ Knights of the Old Republic™ II - The Sith Lords™
Shared: Story Rich · Sci-fi · Adventure

CrossCode
Shared: Indie · Singleplayer · Female Protagonist

What Remains of Edith Finch
Shared: Story Rich · Adventure · Indie

A Bird Story
Shared: Indie · Story Rich · Adventure