Games like Hagalegacy
Games like Hagalegacy include Planet of Lana, Pikuniku, Machinarium, LIMBO, and Webbed. We matched them by the tags players give Hagalegacy on Steam (Action, Puzzle, Cute, Casual, and 2D): closest matches first, and among equally close ones the better-known games.

Planet of Lana
Shared: Action · Puzzle · Atmospheric

Pikuniku
Shared: Puzzle · Casual · Cute

Machinarium
Shared: Puzzle · Hand-drawn · 2D

LIMBO
Shared: Puzzle · Atmospheric · 2D

Webbed
Shared: Cute · 2D · 2D Platformer

Puyo Puyo™Tetris®
Shared: Puzzle · Casual · Action

Carto
Shared: Puzzle · Cute · Hand-drawn

Gorogoa
Shared: Puzzle · Hand-drawn · Casual

Haunt the House: Terrortown
Shared: Cute · Action · Casual

KarmaZoo
Shared: Action · Puzzle · Casual

Zup! 4
Shared: Puzzle · Casual · 2D

Zup! 2
Shared: Puzzle · Casual · 2D

Zup! S
Shared: Puzzle · Casual · 2D

Is This Seat Taken?
Shared: Puzzle · Casual · Cute

Toki Tori
Shared: Puzzle · Casual · Cute

Zup!
Shared: Puzzle · Casual · 2D

Muse Dash
Shared: Cute · Casual · 2D

Unravel
Shared: Action · Puzzle · Atmospheric

Melatonin
Shared: Cute · Hand-drawn · Action

Puyo Puyo™ Tetris® 2
Shared: Puzzle · Action · Casual

Braid
Shared: Puzzle · 2D · Puzzle Platformer

Hidden Folks
Shared: Casual · Puzzle · Hand-drawn

Creaks
Shared: Puzzle · Atmospheric · Hand-drawn

Monument Valley 2
Shared: Puzzle · Action · Casual