Games like The Vault
Games like The Vault include Strange Horticulture, Blue Prince, Murders on the Yangtze River, Mini Metro, and BidKing. We matched them by the tags players give The Vault on Steam (Simulation, Strategy, Software, Puzzle, and Exploration): closest matches first, and among equally close ones the better-known games.

Strange Horticulture
Shared: Puzzle · Simulation · Dark

Blue Prince
Shared: Puzzle · Exploration · Investigation

Murders on the Yangtze River
Shared: Puzzle · Exploration · Investigation

Mini Metro
Shared: Strategy · Simulation · Puzzle

BidKing
Shared: Strategy · Simulation · Puzzle

Papers, Please
Shared: Simulation · Puzzle · Indie

Strange Antiquities
Shared: Puzzle · Simulation · Dark

Cyber Manhunt
Shared: Simulation · Puzzle · Mystery

Poppy Playtime
Shared: Puzzle · Dark · Free to Play

Bridge Constructor Portal
Shared: Simulation · Strategy · Puzzle

Word Game
Shared: Puzzle · Strategy · Exploration

Plague Inc: Evolved
Shared: Simulation · Strategy · Indie

The Escapists
Shared: Strategy · Simulation · 2D

Mini Motorways
Shared: Simulation · Strategy · Puzzle

Game Dev Tycoon
Shared: Simulation · Strategy · 2D

The Case of the Golden Idol
Shared: Puzzle · Investigation · 2D

Reus
Shared: Strategy · Simulation · Puzzle

Outer Wilds
Shared: Exploration · Puzzle · Mystery

Mandate Of Heaven
Shared: Simulation · Strategy · Puzzle

Buckshot Roulette
Shared: Strategy · Dark · Puzzle

My Suika – Kyo’s Fruit Merge
Shared: Simulation · Strategy · Puzzle

60 Seconds! Reatomized
Shared: Strategy · 2D · Exploration

911 Operator
Shared: Simulation · Strategy · Indie

Beholder 2
Shared: Strategy · Simulation · Dark