Hexa-World-3D

Here is an excerpt from Hexa-World-3D's Steam description:

HEXA WORLD 3D is an atmospheric 3D hex-puzzle game where you build towers of hexagonal tiles, trigger chain reactions, earn XP, and unlock new maps, tile skins, and tactical boosters.

The game blends strategy, a calm pace, and deep progression, creating a unique relaxing puzzle and cozy puzzle experience.

Build towers of matching colors, create long chain reactions, plan your moves, and use tactical boosters to enhance your combinations or escape difficult situations.

Three Game Modes:

• Level Mode - where every level is always new
• Competitive Mode - time-based puzzle challenges
• Infinity Mode - a relaxing puzzle sandbox