24 games ranked by how much the tags Steam players vote on them overlap with Puzzle Cube's. A rare tag counts for far more than one that sits on half the store, and popularity never moves a game up.
What they share most: Relaxing, Puzzle, Casual, 3D, Logic, Minimalist.

1·Zen Bound 2
91% match · Relaxing, Puzzle
86% of 587 reviews positive

2·Hexcells Infinite
91% match · Puzzle, Logic
97% of 4,717 reviews positive · 210 playing

3·Zenge
90% match · Puzzle, Minimalist
95% of 3,084 reviews positive

4·Zup! XS
90% match · Relaxing, Casual
85% of 1,474 reviews positive · 4 playing

5·Hexcells
89% match · Puzzle, Logic
97% of 5,936 reviews positive

6·Hexcells Plus
88% match · Puzzle, Logic
95% of 2,834 reviews positive

7·Sudoku Universe / 数独宇宙
88% match · Relaxing, Puzzle
95% of 3,216 reviews positive

8·SquareCells
88% match · Puzzle, Minimalist
90% of 1,271 reviews positive

9·CrossCells
87% match · Puzzle, Minimalist
84% of 918 reviews positive · 1 playing

10·Domino Sky
87% match · Relaxing, Logic
80% of 374 reviews positive

11·Akin
86% match · Relaxing, Casual
78% of 989 reviews positive

12·Liquid Pinball
85% match · Relaxing, Casual
68% of 117 reviews positive

13·Splice
84% match · Puzzle, Relaxing
87% of 590 reviews positive

14·Hook
84% match · Relaxing, Minimalist
97% of 8,926 reviews positive

15·KAMI
84% match · Puzzle, Relaxing
96% of 1,272 reviews positive

16·Flat Path
84% match · Relaxing, Casual
87% of 92 reviews positive

17·Three Digits
84% match · Casual, Puzzle
49% of 170 reviews positive

18·Sizeable
84% match · Relaxing, Minimalist
98% of 3,511 reviews positive

19·Lines X Free
84% match · Relaxing, Minimalist
93% of 1,984 reviews positive · 3 playing

20·Two Digits
84% match · Casual, Puzzle
72% of 411 reviews positive

21·Zup! S
84% match · Relaxing, Puzzle
97% of 16,222 reviews positive

22·Wayout 2: Hex
83% match · Casual, Puzzle
86% of 436 reviews positive

23·klocki
83% match · Relaxing, Logic
97% of 4,674 reviews positive

24·Lines X
83% match · Relaxing, Minimalist
82% of 986 reviews positive
The closest matches to Puzzle Cube on Steam are Zen Bound 2, Hexcells Infinite, Zenge, Zup! XS, Hexcells. They rank highest because their Steam community tags overlap most with Puzzle Cube's, and shared tags include Relaxing, Puzzle, Casual.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Relaxing, Puzzle, Casual count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Puzzle Cube's. Popularity never affects the ranking.