Games like Mech Mastery
Games like Mech Mastery include Peggle Deluxe, A Dance of Fire and Ice, Shelldiver, Space Rock Breaker, and Melvor Idle. We matched them by the tags players give Mech Mastery on Steam (Casual, Auto Battler, Arcade, 2D Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

Peggle Deluxe
Shared: Casual · Arcade · 2D

A Dance of Fire and Ice
Shared: Arcade · 2D · Casual

Shelldiver
Shared: Casual · Arcade · 2D

Space Rock Breaker
Shared: Casual · Arcade · 2D

Melvor Idle
Shared: Casual · 2D · Singleplayer

To The Core
Shared: Casual · Arcade · 2D

Kingdom Rush - Tower Defense
Shared: Casual · 2D · Fantasy

Orbitmine
Shared: Casual · Arcade · Space

pureya
Shared: Casual · Arcade · 2D

Vampire Survivors
Shared: 2D · Casual · Arcade

DJMAX RESPECT V
Shared: Casual · 2D · Arcade

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · Casual · 2D

Among Us
Shared: 2D · Space · Casual

1000 days to escape
Shared: Casual · Arcade · Space

Timberman
Shared: Casual · 2D · Arcade

Bit Blaster XL
Shared: Arcade · Casual · 2D

Waveform
Shared: Casual · Arcade · 2D

Orbt XL
Shared: Arcade · 2D · Casual

Kingdom Rush Frontiers - Tower Defense
Shared: 2D · Casual · Fantasy

ShellShock Live
Shared: Tanks · 2D · Casual

Twin Shot Deluxe
Shared: Casual · Arcade · 2D Platformer

Feeding Frenzy 2 Deluxe
Shared: Casual · Arcade · 2D

Brawlhalla
Shared: Casual · 2D Platformer · Fantasy

Sonic Superstars
Shared: Casual · 2D Platformer · 2D