Games like Space Grunts: Chrono Shard
Games like Space Grunts: Chrono Shard include Vampire Survivors, Hades, Skul: The Hero Slayer, Hades II, and The Last Spell. We matched them by the tags players give Space Grunts: Chrono Shard on Steam (Action, RPG, Strategy, Turn-Based Tactics, and Roguelite): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · Action

Hades
Shared: Roguelite · Action · Action Roguelike

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

Hades II
Shared: Action · Roguelite · Roguelike

The Last Spell
Shared: RPG · Strategy · Turn-Based Tactics

Into the Breach
Shared: Strategy · Turn-Based Tactics · Turn-Based Strategy

Dungreed
Shared: Action · Action Roguelike · Roguelite

Mewgenics
Shared: Turn-Based Tactics · Roguelite · RPG

Nuclear Throne
Shared: Action Roguelike · Action · Roguelike

Streets of Rogue
Shared: Roguelite · RPG · Action Roguelike

Death Must Die
Shared: RPG · Action Roguelike · Roguelite

Halls of Torment
Shared: Roguelite · Action Roguelike · Action

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Difficult

Your Only Move Is HUSTLE
Shared: Action · Strategy · Turn-Based Strategy

Rogue Legacy
Shared: Action · Roguelike · Action Roguelike

Brutal Orchestra
Shared: RPG · Strategy · Roguelite

BALL x PIT
Shared: Action · Roguelite · Action Roguelike

Monster Train
Shared: Roguelite · Turn-Based Tactics · Roguelike

Noita
Shared: Roguelike · Action · Difficult

Risk of Rain (2013)
Shared: Action · Action Roguelike · Roguelike

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Action

Sephiria
Shared: Roguelite · Action Roguelike · Action

Shotgun King: The Final Checkmate
Shared: Strategy · Roguelike · Turn-Based Strategy

UnderMine
Shared: RPG · Roguelite · Action Roguelike