Games like Pest Apocalypse
Games like Pest Apocalypse include Megabonk, Yet Another Zombie Survivors, BALL x PIT, The Spell Brigade, and Deep Rock Galactic: Survivor. We matched them by the tags players give Pest Apocalypse on Steam (Bullet Heaven, Action Roguelike, Combat Racing, Top-Down Shooter, and Roguelite): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Bullet Heaven · Action Roguelike · Roguelite

Yet Another Zombie Survivors
Shared: Bullet Heaven · Action Roguelike · Top-Down Shooter

BALL x PIT
Shared: Roguelite · Action Roguelike · Arcade

The Spell Brigade
Shared: Bullet Heaven · Roguelite · Action Roguelike

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Heaven · Roguelite

Soulstone Survivors
Shared: Bullet Heaven · Action Roguelike · Roguelite

Brotato
Shared: Action Roguelike · Bullet Heaven · Roguelike

Vampire Survivors
Shared: Action Roguelike · Roguelite · Roguelike

Halls of Torment
Shared: Action Roguelike · Roguelite · Bullet Heaven

Nuclear Throne
Shared: Action Roguelike · Roguelike · Roguelite

Nova Drift
Shared: Action Roguelike · Roguelite · Bullet Heaven

Hades
Shared: Action Roguelike · Roguelite · Roguelike

20 Minutes Till Dawn
Shared: Action Roguelike · Roguelite · Top-Down Shooter

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action Roguelike · Roguelite

Dead Cells
Shared: Action Roguelike · Roguelike · Roguelite

Risk of Rain 2
Shared: Action Roguelike · Roguelite · Roguelike

Death Must Die
Shared: Action Roguelike · Bullet Heaven · Roguelite

R.I.P. - Reincarnation Insurance Program
Shared: Action Roguelike · Bullet Heaven · Roguelite

Rogue: Genesia
Shared: Bullet Heaven · Action Roguelike · Roguelite

Zombieville USA 3D
Shared: Top-Down Shooter · Action Roguelike · Arcade

Tower of Babel: Survivors of Chaos
Shared: Bullet Heaven · Action Roguelike · Roguelite

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Roguelike

Streets of Rogue
Shared: Action Roguelike · Roguelite · Roguelike

Blazing Beaks
Shared: Action Roguelike · Top-Down Shooter · Roguelite