Games like Espionage Activity
Games like Espionage Activity include Shadow Tactics: Blades of the Shogun, Rise of the Tomb Raider™, Hitman: Absolution, Tomb Raider Game of the Year, and Desperados III. We matched them by the tags players give Espionage Activity on Steam (Stealth, Isometric, Difficult, Score Attack, and Linear): closest matches first, and among equally close ones the better-known games.

Shadow Tactics: Blades of the Shogun
Shared: Stealth · Isometric · Singleplayer

Rise of the Tomb Raider™
Shared: Female Protagonist · Action · Singleplayer

Hitman: Absolution
Shared: Stealth · Action · Singleplayer

Tomb Raider Game of the Year
Shared: Female Protagonist · Action · Singleplayer

Desperados III
Shared: Stealth · Isometric · Difficult

Hollow Knight: Silksong
Shared: Difficult · Singleplayer · Female Protagonist

Batman™: Arkham Knight
Shared: Stealth · Action · Singleplayer

A Plague Tale: Innocence
Shared: Stealth · Female Protagonist · Action

Eriksholm: The Stolen Dream
Shared: Stealth · Isometric · Female Protagonist

Gunpoint
Shared: Stealth · Action · Singleplayer

Dishonored 2
Shared: Stealth · Action · Singleplayer

Sifu
Shared: Difficult · Action · Singleplayer

Wolcen: Lords of Mayhem
Shared: Isometric · Singleplayer · Action

Hitman: Blood Money
Shared: Stealth · Action · Singleplayer

Tomb Raider I-III Remastered Starring Lara Croft
Shared: Female Protagonist · Action · 3D

Invisible, Inc.
Shared: Difficult · Isometric · Stealth

HITMAN World of Assassination
Shared: Stealth · Action · Singleplayer

Hades II
Shared: Action · Female Protagonist · Isometric

Celeste
Shared: Difficult · Female Protagonist · Singleplayer

Timelie
Shared: Isometric · Female Protagonist · Singleplayer

Super Hexagon
Shared: Difficult · Score Attack · Singleplayer

Velvet Assassin
Shared: Stealth · Female Protagonist · Action

Mark of the Ninja
Shared: Stealth · Action · Singleplayer

Curse of the Dead Gods
Shared: Isometric · Difficult · Action