Games like 2Synth
Games like 2Synth include Vampire Survivors, Monument Valley 3, Antichamber, Assemble with Care, and Moncage. We matched them by the tags players give 2Synth on Steam (Roguelite, Puzzle, Tutorial, Arcade, and Female Protagonist): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Roguelite · Arcade · Casual

Monument Valley 3
Shared: Puzzle · Casual · Surreal

Antichamber
Shared: Puzzle · Surreal · Indie

Assemble with Care
Shared: Puzzle · Female Protagonist · Casual

Moncage
Shared: Puzzle · Casual · Surreal

The Pedestrian
Shared: Puzzle · 2.5D · Female Protagonist

LYNE
Shared: Puzzle · Casual · Logic

Haste
Shared: Roguelite · Female Protagonist · Arcade

VIVIDLOPE
Shared: Puzzle · Arcade · Female Protagonist

Samorost 1
Shared: Puzzle · Surreal · Casual

Manifold Garden
Shared: Puzzle · Surreal · Abstract

Nubby's Number Factory
Shared: Arcade · Surreal · Stylized

GRIS
Shared: Female Protagonist · Puzzle · Indie

Tetris® Effect: Connected
Shared: Puzzle · Arcade · Casual

Strange Jigsaws
Shared: Puzzle · Casual · Abstract

Progressbar95
Shared: Puzzle · Arcade · Casual

Zuma Deluxe
Shared: Puzzle · Arcade · Casual

The Gardens Between
Shared: Puzzle · Female Protagonist · Surreal

Iris.Fall
Shared: Puzzle · Female Protagonist · Casual

Squeakross: Home Squeak Home
Shared: Puzzle · Tutorial · Logic

Viewfinder
Shared: Puzzle · Surreal · Abstract

Inscryption
Shared: Puzzle · Roguelite · Surreal

Bills Must Be Paid
Shared: Roguelite · Arcade · Casual

Shady Part of Me
Shared: Puzzle · Female Protagonist · Indie