Games like Mechanical Survivor
Games like Mechanical Survivor include Megabonk, Vampire Survivors, Hades, Brotato, and Dead Cells. We matched them by the tags players give Mechanical Survivor on Steam (Bullet Hell, Roguelite, Action Roguelike, Adventure, and Hack and Slash): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell

Vampire Survivors
Shared: Bullet Hell · Action Roguelike · Roguelite

Hades
Shared: Roguelite · Action Roguelike · Hack and Slash

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike

Dead Cells
Shared: Adventure · Action Roguelike · Roguelike

Magicraft
Shared: Roguelite · Bullet Hell · Action Roguelike

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

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

Soulstone Survivors
Shared: Roguelite · Action Roguelike · Bullet Hell

BALL x PIT
Shared: Roguelite · Bullet Hell · Action Roguelike

Enter the Gungeon
Shared: Bullet Hell · Action Roguelike · Roguelike

Noobs Want to Live
Shared: Bullet Hell · Roguelike · Action Roguelike

20 Minutes Till Dawn
Shared: Bullet Hell · Action Roguelike · Roguelite

Hades II
Shared: Roguelite · Roguelike · Hack and Slash

Tiny Rogues
Shared: Bullet Hell · Action Roguelike · Roguelite

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

Army of Ruin
Shared: Bullet Hell · Action Roguelike · Roguelite

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelike

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

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

Asgard's Fall — Viking Survivors
Shared: Bullet Hell · Action Roguelike · Roguelite

Hero Siege
Shared: Action Roguelike · Hack and Slash · Roguelike

Cinderia
Shared: Action Roguelike · Roguelite · Hack and Slash

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