Games like SiNKR 2
Games like SiNKR 2 include Mini Motorways, LYNE, Hook, Sudoku Universe / 数独宇宙, and Hexcells. We matched them by the tags players give SiNKR 2 on Steam (Strategy, Puzzle, Indie, Relaxing, and Minimalist): closest matches first, and among equally close ones the better-known games.

Mini Motorways
Shared: Strategy · Puzzle · Minimalist

LYNE
Shared: Puzzle · Relaxing · Minimalist

Hook
Shared: Puzzle · Relaxing · Casual

Sudoku Universe / 数独宇宙
Shared: Puzzle · Indie · Strategy

Hexcells
Shared: Puzzle · Indie · Strategy

Mini Metro
Shared: Strategy · Puzzle · Minimalist

SiNKR
Shared: Strategy · Puzzle · Indie

ISLANDERS
Shared: Strategy · Relaxing · Puzzle

Hexcells Infinite
Shared: Puzzle · Indie · Casual

Zup! S
Shared: Puzzle · Indie · Casual

Hexcells Plus
Shared: Puzzle · Indie · Strategy

Wayout
Shared: Puzzle · Indie · Strategy

Lines X
Shared: Strategy · Indie · Puzzle

Dorfromantik
Shared: Puzzle · Relaxing · Strategy

klocki
Shared: Puzzle · Relaxing · Minimalist

Zenge
Shared: Puzzle · Indie · Relaxing

Glass Masquerade
Shared: Puzzle · Relaxing · Indie

Terra Nil
Shared: Strategy · Puzzle · Relaxing

Baba Is You
Shared: Puzzle · Indie · Difficult

Patrick's Parabox
Shared: Puzzle · Minimalist · Abstract

Zup!
Shared: Puzzle · Indie · Casual

Linelith
Shared: Puzzle · Strategy · Relaxing

Assemble with Care
Shared: Puzzle · Indie · Relaxing

Bejeweled® 3
Shared: Puzzle · Strategy · Casual