Games like MannyTD
Games like MannyTD include HELLDIVERS™ 2, The Callisto Protocol™, World of Warships, Orcs Must Die! 3, and PUBG: BATTLEGROUNDS. We matched them by the tags players give MannyTD on Steam (Strategy, Shooter, Tower Defense, Third-Person Shooter, and 3D): closest matches first, and among equally close ones the better-known games.

HELLDIVERS™ 2
Shared: Third-Person Shooter · Shooter · Action

The Callisto Protocol™
Shared: Third-Person Shooter · Shooter · Third Person

World of Warships
Shared: Shooter · Third-Person Shooter · 3D

Orcs Must Die! 3
Shared: Strategy · Tower Defense · Third-Person Shooter

PUBG: BATTLEGROUNDS
Shared: Shooter · Third-Person Shooter · Strategy

Dead Space (2008)
Shared: Third Person · Third-Person Shooter · Shooter

Dead Space™ 2
Shared: Shooter · Third-Person Shooter · Third Person

STAR WARS™ Battlefront™ II
Shared: Shooter · Third-Person Shooter · Action

Dead Space
Shared: Third-Person Shooter · Shooter · Atmospheric

The Bureau: XCOM Declassified
Shared: Third-Person Shooter · Strategy · Shooter

ARC Raiders
Shared: Shooter · Third-Person Shooter · Third Person

Aliens: Fireteam Elite
Shared: Shooter · Third-Person Shooter · Aliens

Warhammer 40,000: Space Marine 2
Shared: Third-Person Shooter · Third Person · Action

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Shooter · Third-Person Shooter · Action

Aliens: Fireteam Elite 2
Shared: Shooter · Third-Person Shooter · Aliens

Warhammer 40,000: Space Marine - Anniversary Edition
Shared: Third-Person Shooter · Shooter · Third Person

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

Orcs Must Die!
Shared: Strategy · Tower Defense · Third Person

Orcs Must Die! 2
Shared: Tower Defense · Strategy · Third Person

Red Dead Redemption 2
Shared: Shooter · Realistic · Third-Person Shooter

Marvel Rivals
Shared: Third-Person Shooter · Shooter · 3D

Bloons TD 6
Shared: Strategy · Tower Defense · 3D

Call of Duty®: Modern Warfare® II
Shared: Shooter · Third-Person Shooter · Action

MindsEye
Shared: Third-Person Shooter · Shooter · Futuristic