Games like Luna and the Sea
Games like Luna and the Sea include Machinarium, Gorogoa, Old Man's Journey, The Tiny Bang Story, and There Is No Game: Wrong Dimension. We matched them by the tags players give Luna and the Sea on Steam (Adventure, Casual, Point & Click, Puzzle, and 2D): closest matches first, and among equally close ones the better-known games.

Machinarium
Shared: Point & Click · Puzzle · Hand-drawn

Gorogoa
Shared: Puzzle · Hand-drawn · Casual

Old Man's Journey
Shared: Adventure · Casual · Hand-drawn

The Tiny Bang Story
Shared: Point & Click · Puzzle · Hand-drawn

There Is No Game: Wrong Dimension
Shared: Adventure · Point & Click · Puzzle

Storyteller
Shared: Point & Click · Puzzle · Adventure

Return to Monkey Island
Shared: Adventure · Point & Click · Puzzle

Hidden Folks
Shared: Casual · Puzzle · Point & Click

Sally Face - Episode One
Shared: Adventure · Puzzle · Dark

Deponia
Shared: Adventure · Point & Click · Puzzle

Lost in Play
Shared: Point & Click · Puzzle · 2D

Fran Bow
Shared: Point & Click · Adventure · Puzzle

Lil' Guardsman
Shared: Adventure · Casual · Point & Click

Gomo
Shared: Adventure · Point & Click · Puzzle

Strange Jigsaws
Shared: Adventure · Casual · Puzzle

LUNA The Shadow Dust
Shared: Adventure · Casual · Point & Click

Rusty Lake Paradise
Shared: Point & Click · Adventure · Puzzle

Tukoni: Forest Keepers
Shared: Adventure · Casual · Point & Click

Phonopolis
Shared: Adventure · Puzzle · Hand-drawn

My Brother Rabbit
Shared: Adventure · Point & Click · Puzzle

Broken Age
Shared: Adventure · Point & Click · Casual

The Room
Shared: Puzzle · Point & Click · Adventure

Creepy Tale 2
Shared: Adventure · Point & Click · Puzzle

Servant of the Lake
Shared: Adventure · Puzzle · Point & Click