Games like Hitman 2: Silent Assassin
Games like Hitman 2: Silent Assassin include Hitman: Blood Money, Hitman: Absolution, HITMAN World of Assassination, Hitman: Codename 47, and Grand Theft Auto V Legacy. We matched them by the tags players give Hitman 2: Silent Assassin on Steam (Stealth, Action, Assassins, Third Person, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Hitman: Blood Money
Shared: Stealth · Action · Assassins

Hitman: Absolution
Shared: Stealth · Action · Assassins

HITMAN World of Assassination
Shared: Stealth · Assassins · Action

Hitman: Codename 47
Shared: Stealth · Action · Assassins

Grand Theft Auto V Legacy
Shared: Action · Third Person · Shooter

Hitman: Contracts
Shared: Stealth · Action · Assassins

Assassin's Creed 2
Shared: Action · Assassins · Stealth

METAL GEAR SOLID V: THE PHANTOM PAIN
Shared: Stealth · Action · Third Person

DOOM
Shared: Action · Shooter · Great Soundtrack

Half-Life 2
Shared: Action · Singleplayer · Classic

Dishonored
Shared: Stealth · Assassins · Action

Grand Theft Auto IV: The Complete Edition
Shared: Action · Third Person · Singleplayer

Assassin's Creed® Syndicate
Shared: Assassins · Action · Stealth

Middle-earth™: Shadow of Mordor™
Shared: Action · Stealth · Third Person

Watch_Dogs® 2
Shared: Action · Stealth · Third Person

Dishonored 2
Shared: Stealth · Action · Assassins

Tom Clancy's Ghost Recon® Wildlands
Shared: Stealth · Singleplayer · Shooter

Tom Clancy’s Splinter Cell Blacklist
Shared: Stealth · Action · Third Person

DEATHLOOP
Shared: Action · Stealth · Singleplayer

Assassin’s Creed® Brotherhood
Shared: Action · Stealth · Assassins

METAL GEAR SOLID V: GROUND ZEROES
Shared: Stealth · Action · Singleplayer

Tom Clancy's Splinter Cell®
Shared: Stealth · Action · Third Person

Assassin's Creed® III Remastered
Shared: Action · Assassins · Stealth

DOOM Eternal
Shared: Action · Great Soundtrack · Shooter