24 games ranked by how much the tags Steam players vote on them overlap with Great Permutator'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: Programming, Automation, Building, Logic, Puzzle, Simulation.

1·Infinifactory
99% match · Programming, Automation
95% of 2,485 reviews positive

2·Opus Magnum
99% match · Programming, Automation
97% of 7,291 reviews positive

3·SHENZHEN I/O
98% match · Programming, Automation
95% of 4,536 reviews positive

4·SpaceChem
97% match · Programming, Automation
92% of 5,097 reviews positive

5·Turing Complete
92% match · Programming, Logic
96% of 5,839 reviews positive

6·MOLEK-SYNTEZ
91% match · Programming, Automation
89% of 695 reviews positive · 5 playing

7·EXAPUNKS
91% match · Programming, Automation
95% of 1,900 reviews positive

8·Alan's Automaton Workshop
91% match · Programming, Automation
83% of 215 reviews positive · 2 playing

9·Human Resource Machine
90% match · Programming, Automation
94% of 4,707 reviews positive

10·TIS-100
90% match · Programming, Automation
97% of 4,121 reviews positive

11·7 Billion Humans
89% match · Programming, Automation
93% of 2,146 reviews positive

12·Word Factori
89% match · Programming, Automation
84% of 484 reviews positive

13·Autonauts
87% match · Programming, Automation
89% of 4,972 reviews positive

14·Automachef
86% match · Automation, Programming
72% of 926 reviews positive

15·Baba Is You
85% match · Programming, Logic
98% of 24,663 reviews positive

16·Mechanica
85% match · Programming, Automation
63% of 640 reviews positive

17·Plasma
85% match · Programming, Automation
90% of 1,164 reviews positive

18·Algo Bot
84% match · Programming, Logic
82% of 190 reviews positive

19·Signal Maze
84% match · Programming, Logic
94% of 54 reviews positive

20·Desynced
84% match · Programming, Automation
79% of 2,072 reviews positive

21·Craftomation 101: Programming & Craft
83% match · Programming, Automation
84% of 711 reviews positive

22·ComPressure
83% match · Programming, Automation
85% of 68 reviews positive

23·while True: learn()
81% match · Programming, Building
91% of 8,251 reviews positive

24·A=B
81% match · Programming, Automation
95% of 939 reviews positive
The closest matches to Great Permutator on Steam are Infinifactory, Opus Magnum, SHENZHEN I/O, SpaceChem, Turing Complete. They rank highest because their Steam community tags overlap most with Great Permutator's, and shared tags include Programming, Automation, Building.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Programming, Automation, Building count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Great Permutator's. Popularity never affects the ranking.