Games like Monday Meltdown
Games like Monday Meltdown include Chippy, BALL x PIT, Enter the Gungeon, Bit Blaster XL, and Nova Drift. We matched them by the tags players give Monday Meltdown on Steam (Action, Shooter, Arena Shooter, Bullet Hell, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

Chippy
Shared: Bullet Hell · Arena Shooter · Shoot 'Em Up

BALL x PIT
Shared: Action · Bullet Hell · Shoot 'Em Up

Enter the Gungeon
Shared: Bullet Hell · Pixel Graphics · Action

Bit Blaster XL
Shared: Bullet Hell · Shooter · Shoot 'Em Up

Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arena Shooter

State of Anarchy: Master of Mayhem
Shared: Action · Bullet Hell · Top-Down Shooter

Nuclear Throne
Shared: Action · Bullet Hell · Pixel Graphics

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

Star of Providence
Shared: Bullet Hell · Action · Shoot 'Em Up

Broforce
Shared: Action · Shooter · Pixel Graphics

Hotline Miami
Shared: Action · Pixel Graphics · Top-Down

Time Wasters
Shared: Bullet Hell · Arena Shooter · Twin Stick Shooter

Waves
Shared: Bullet Hell · Shooter · Shoot 'Em Up

Relic Hunters Zero: Remix
Shared: Action · Twin Stick Shooter · Top-Down Shooter

LUFTRAUSERS
Shared: Action · Bullet Hell · Shoot 'Em Up

Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Action

Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · 2D

Kill The Crows
Shared: Action · Arena Shooter · Top-Down Shooter

Titan Attacks!
Shared: Arena Shooter · Bullet Hell · Shoot 'Em Up

DoDonPachi Resurrection
Shared: Shooter · Bullet Hell · Shoot 'Em Up

Pixel Gun 3D: PC Edition
Shared: Shooter · Action · Pixel Graphics

Sektori
Shared: Shoot 'Em Up · Arena Shooter · Twin Stick Shooter

Cyberhunt
Shared: Action · Shoot 'Em Up · Twin Stick Shooter

Angel at Dusk
Shared: Action · Shooter · Bullet Hell