Games like Multigun and Plaguetrix
Games like Multigun and Plaguetrix include CULTIC, Left 4 Dead 2, DOOM Eternal, Prodeus, and BioShock Infinite. We matched them by the tags players give Multigun and Plaguetrix on Steam (Action, Adventure, Shooter, Boomer Shooter, and Exploration): closest matches first, and among equally close ones the better-known games.
CULTIC
Shared: Boomer Shooter · Shooter · Action
Left 4 Dead 2
Shared: Shooter · Action · FPS
DOOM Eternal
Shared: Action · FPS · Shooter
Prodeus
Shared: Boomer Shooter · Action · FPS
BioShock Infinite
Shared: Action · Shooter · FPS
DOOM
Shared: Action · Shooter · FPS
Ready or Not
Shared: Shooter · FPS · Action
DUSK
Shared: Boomer Shooter · Shooter · FPS
Half-Life 2
Shared: Action · FPS · Shooter
Serious Sam: Siberian Mayhem
Shared: Action · Adventure · Boomer Shooter
Trepang2
Shared: Shooter · Action · FPS
Forgive Me Father
Shared: Action · Boomer Shooter · FPS
Back 4 Blood
Shared: Shooter · Action · FPS
Warhammer 40,000: Boltgun
Shared: Boomer Shooter · Action · Shooter
Call of Duty®: Black Ops III
Shared: Action · Shooter · FPS
DOOM 64
Shared: Action · FPS · Shooter
Echo Point Nova
Shared: Shooter · Action · FPS
Far Cry® 6
Shared: Action · Shooter · FPS
Metro Exodus
Shared: FPS · Action · Shooter
Atomic Heart
Shared: Adventure · Action · FPS
Serious Sam 4
Shared: Action · Shooter · FPS
Turbo Overkill
Shared: Action · Boomer Shooter · Shooter
Necromunda: Hired Gun
Shared: Action · Adventure · Shooter
Fallout 4
Shared: Adventure · Exploration · Shooter