Games like Plants in Rush
Games like Plants in Rush include Stick It to the Stickman, MADNESS: Project Nexus, Sifu, Hades, and Grand Theft Auto V Legacy. We matched them by the tags players give Plants in Rush on Steam (Action, 2D Fighter, Beat 'em up, Arena Shooter, and Hack and Slash): closest matches first, and among equally close ones the better-known games.

Stick It to the Stickman
Shared: Action · Beat 'em up · 2D Fighter

MADNESS: Project Nexus
Shared: Beat 'em up · Arena Shooter · Hack and Slash

Sifu
Shared: Action · Beat 'em up · Third Person

Hades
Shared: Action · Hack and Slash · Indie

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

One Finger Death Punch
Shared: Action · 2D Fighter · Beat 'em up

God of War
Shared: Action · Third Person · Hack and Slash

DRAGON BALL FighterZ
Shared: Action · 2D Fighter · Multiplayer

KIBORG
Shared: Action · Beat 'em up · Hack and Slash

Lost Castle
Shared: Beat 'em up · Hack and Slash · Action Roguelike

FOR HONOR™
Shared: Action · Third Person · Multiplayer

Devil May Cry 5
Shared: Action · Hack and Slash · Third Person

Rivals of Aether II
Shared: 2D Fighter · Action · Multiplayer

Nickelodeon All-Star Brawl
Shared: 2D Fighter · Action · Beat 'em up

Iron Snout
Shared: 2D Fighter · Action · Indie

ARMORED CORE™ VI FIRES OF RUBICON™
Shared: Action · Third Person · Combat

Chivalry: Medieval Warfare
Shared: Action · Multiplayer · Third Person

Them's Fightin' Herds
Shared: Action · 2D Fighter · Indie

GrandChase
Shared: Action · 2D Fighter · Hack and Slash

RWBY: Grimm Eclipse
Shared: Beat 'em up · Hack and Slash · Third Person

Stellar Blade™
Shared: Action · Hack and Slash · Third Person

One Piece Pirate Warriors 3
Shared: Action · Hack and Slash · Beat 'em up

Stick Fight: The Game
Shared: Action · 2D Fighter · Multiplayer

METAL GEAR RISING: REVENGEANCE
Shared: Action · Hack and Slash · Third Person