Games like Soul•Last Bastion
Games like Soul•Last Bastion include 9 Kings, Into the Breach, Balatro, Super Fantasy Kingdom, and Slay the Spire 2. We matched them by the tags players give Soul•Last Bastion on Steam (Auto Battler, Deckbuilding, Traditional Roguelike, Mechs, and Cartoony): closest matches first, and among equally close ones the better-known games.

9 Kings
Shared: Auto Battler · Strategy · Deckbuilding

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

Balatro
Shared: Deckbuilding · Strategy · Roguelike

Super Fantasy Kingdom
Shared: Auto Battler · Strategy · Deckbuilding

Slay the Spire 2
Shared: Deckbuilding · Strategy · Roguelike

Monster Train
Shared: Deckbuilding · Roguelite · Turn-Based Strategy

BattleTech
Shared: Mechs · Strategy · Sci-fi

Slay the Spire
Shared: Deckbuilding · Strategy · Roguelike

He is Coming
Shared: Auto Battler · Strategy · Deckbuilding

Mechabellum
Shared: Auto Battler · Mechs · Strategy

Luck be a Landlord
Shared: Deckbuilding · Strategy · Roguelite

The Bazaar
Shared: Auto Battler · Deckbuilding · Strategy

RACCOIN: Coin Pusher Roguelike
Shared: Deckbuilding · Strategy · Roguelike

Cobalt Core
Shared: Strategy · Sci-fi · Turn-Based Strategy

Backpack Dungeon
Shared: Auto Battler · Deckbuilding · Strategy

StarVaders
Shared: Deckbuilding · Roguelite · Turn-Based Strategy

Mewgenics
Shared: Roguelite · Turn-Based Strategy · Turn-Based Tactics

Loop Hero
Shared: Deckbuilding · Roguelike · Roguelite

Mech Armada
Shared: Deckbuilding · Mechs · Roguelite

Fights in Tight Spaces
Shared: Deckbuilding · Strategy · Turn-Based Tactics

Inscryption
Shared: Deckbuilding · Strategy · Roguelite

Roguebook
Shared: Deckbuilding · Strategy · Roguelite

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Deckbuilding · Strategy · Roguelike

NEOVERSE
Shared: Deckbuilding · Roguelite · Turn-Based Strategy