Games like task: 312
Games like task: 312 include Poppy Playtime, Portal, Garten of Banban, MiSide, and Amanda the Adventurer. We matched them by the tags players give task: 312 on Steam (Simulation, Puzzle, Interactive Fiction, 3D Platformer, and 3D): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Puzzle · First-Person · Horror

Portal
Shared: Puzzle · 3D Platformer · First-Person

Garten of Banban
Shared: Puzzle · First-Person · 3D

MiSide
Shared: First-Person · 3D · Atmospheric

Amanda the Adventurer
Shared: Puzzle · First-Person · Interactive Fiction

Killer Frequency
Shared: Puzzle · Interactive Fiction · Simulation

Buckshot Roulette
Shared: First-Person · 3D · Dark

SOMA
Shared: Atmospheric · Sci-fi · First-Person

s.p.l.i.t
Shared: Simulation · Interactive Fiction · Atmospheric

The Talos Principle
Shared: Puzzle · First-Person · Sci-fi

SchoolBoy Runaway
Shared: Puzzle · Simulation · First-Person

Bendy and the Ink Machine
Shared: Puzzle · First-Person · Horror

ROUTINE
Shared: Sci-fi · Puzzle · Atmospheric

Zoochosis
Shared: 3D · Simulation · Realistic

Inside the Backrooms
Shared: Puzzle · First-Person · Horror

Quarantine Zone: The Last Check
Shared: Simulation · First-Person · 3D

Garten of Banban 2
Shared: Puzzle · First-Person · 3D

The Room Two
Shared: Puzzle · Atmospheric · Mystery

The Room
Shared: Puzzle · Atmospheric · Mystery

Car Mechanic Simulator 2021
Shared: Simulation · Realistic · 3D

Outer Wilds
Shared: Puzzle · Mystery · Atmospheric

Sally Face - Episode One
Shared: Puzzle · Atmospheric · Dark

Little Nightmares II
Shared: Puzzle · Atmospheric · Horror

Little Nightmares
Shared: Puzzle · Atmospheric · Horror