Games like Hollow Ground
Games like Hollow Ground include HELLDIVERS™ 2, Huntdown, The Ascent, Broforce, and Planes, Bullets and Vodka. We matched them by the tags players give Hollow Ground on Steam (Action, Shooter, Shoot 'Em Up, Top-Down Shooter, and 2D): closest matches first, and among equally close ones the better-known games.

HELLDIVERS™ 2
Shared: Shooter · Action · PvE

Huntdown
Shared: Shooter · Action · Shoot 'Em Up

The Ascent
Shared: Top-Down Shooter · Action · Shooter

Broforce
Shared: Action · 2D · Shooter

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Shooter

HELLDIVERS™ Dive Harder Edition
Shared: Top-Down Shooter · Action · Shooter

Guns, Gore and Cannoli 2
Shared: Action · 2D · Shooter

Hotline Miami 2: Wrong Number
Shared: Action · Top-Down · Gore

Sky Force Reloaded
Shared: Shoot 'Em Up · Top-Down Shooter · Action

Left 4 Dead 2
Shared: Shooter · Action · Co-op

Hotline Miami
Shared: Action · Top-Down · Retro

BALL x PIT
Shared: Action · Shoot 'Em Up · Top-Down Shooter

12 is Better Than 6
Shared: Action · Shooter · Top-Down Shooter

Crimsonland
Shared: Action · Shooter · Top-Down

METAL SLUG
Shared: Action · 2D · Shoot 'Em Up

METAL SLUG 3
Shared: Action · Shooter · 2D

RUINER
Shared: Action · Top-Down Shooter · Cyberpunk

Revolution Ace
Shared: Action · Shoot 'Em Up · Shooter

Escape From Duckov
Shared: Action · Shooter · Top-Down Shooter

METAL SLUG X
Shared: Action · Shoot 'Em Up · 2D

DoDonPachi Resurrection
Shared: Shoot 'Em Up · Top-Down Shooter · Shooter

Bit Blaster XL
Shared: Shoot 'Em Up · Shooter · Action

Guns, Gore & Cannoli
Shared: Action · 2D · Shoot 'Em Up

Insect Swarm
Shared: Shooter · Shoot 'Em Up · Top-Down Shooter