Games like Escape from the 70's
Games like Escape from the 70's include The House of Da Vinci, The Last Campfire, Chants of Sennaar, The Room, and The Room Three. We matched them by the tags players give Escape from the 70's on Steam (Adventure, Simulation, Puzzle, 3D Platformer, and Hidden Object): closest matches first, and among equally close ones the better-known games.

The House of Da Vinci
Shared: Puzzle · Hidden Object · Adventure

The Last Campfire
Shared: Adventure · Puzzle · Atmospheric

Chants of Sennaar
Shared: Adventure · Puzzle · Indie

The Room
Shared: Puzzle · Adventure · Hidden Object

The Room Three
Shared: Adventure · Puzzle · Hidden Object

The Room Two
Shared: Puzzle · Adventure · Hidden Object

Totally Accurate Battle Simulator
Shared: Simulation · Adventure · Realistic

SchoolBoy Runaway
Shared: Adventure · Puzzle · Simulation

COCOON
Shared: Adventure · Puzzle · 3D

Return of the Obra Dinn
Shared: Puzzle · Detective · Atmospheric

Stray
Shared: Adventure · Atmospheric · Puzzle

The Room 4: Old Sins
Shared: Puzzle · Adventure · Hidden Object

Platform 8
Shared: Adventure · Simulation · Puzzle

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

Papers, Please
Shared: Simulation · Puzzle · Indie

Little Nightmares
Shared: Adventure · Puzzle · Atmospheric

A Story About My Uncle
Shared: Adventure · 3D Platformer · Puzzle

Moncage
Shared: Puzzle · Adventure · Indie

Boxes: Lost Fragments
Shared: Puzzle · Adventure · 3D

Strange Horticulture
Shared: Puzzle · Simulation · Adventure

Little Nightmares II
Shared: Adventure · Puzzle · Atmospheric

Microsoft Flight Simulator (2020) 40th Anniversary Edition
Shared: Simulation · Realistic · Adventure

Brothers - A Tale of Two Sons
Shared: Adventure · Puzzle · Atmospheric

Cyber Manhunt
Shared: Simulation · Puzzle · Indie