24 games ranked by how much the tags Steam players vote on them overlap with Paper Bride 3 Unresolved Love'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: Word Game, Detective, Thriller, Puzzle-Platformer, Text-Based, Interactive Fiction.

1·Paper Bride
88% match · Word Game, Detective
91% of 2,305 reviews positive · 4 playing

2·迷雾之夏-The Vigilant Villa
83% match · Word Game, Text-Based
75% of 1,054 reviews positive

3·Paper Bride 2 Zangling Village
82% match · Word Game, Interactive Fiction
91% of 1,148 reviews positive · 3 playing

4·Aliya: Timelink
80% match · Word Game, Interactive Fiction
98% of 9,684 reviews positive

5·Re: LieF ~ Shin'ainaru Anata e~
80% match · Word Game, Interactive Fiction
93% of 937 reviews positive

6·The Sin
79% match · Text-Based, Interactive Fiction
87% of 234 reviews positive

7·CaseCracker
77% match · Word Game, Text-Based
89% of 3,483 reviews positive · 20 playing

8·Firework
77% match · Drama, Visual Novel
98% of 44,462 reviews positive

9·幽灵高校(Ghost College)
77% match · Text-Based, 2D Platformer
76% of 440 reviews positive

10·Billionaire Lovers
76% match · Interactive Fiction, 2D Platformer
95% of 3,812 reviews positive

11·Chants of Sennaar
75% match · Word Game, Detective
98% of 34,972 reviews positive

12·Suicide Countdown: 7 Days
75% match · Interactive Fiction, Text-Based
81% of 1,088 reviews positive

13·CaseCracker2
75% match · Word Game, Text-Based
91% of 828 reviews positive

14·Roadwarden
75% match · Text-Based, Interactive Fiction
94% of 5,206 reviews positive

15·WILL: A Wonderful World / WILL:美好世界
74% match · Word Game, Visual Novel
92% of 5,486 reviews positive

16·Whisper Books
74% match · Word Game, Text-Based
77% of 95 reviews positive

17·Doctor Who: The Lonely Assassins
74% match · Interactive Fiction, Visual Novel
89% of 726 reviews positive

18·Help Me Remember, Satori-sama!
74% match · Word Game, Text-Based
91% of 895 reviews positive

19·Myths of Rules
74% match · Word Game, Text-Based
88% of 1,047 reviews positive · 4 playing

20·Typoman
74% match · Word Game, Puzzle-Platformer
87% of 884 reviews positive

21·Ace Of Words
74% match · Word Game, Puzzle
64% of 835 reviews positive

22·No Case Should Remain Unsolved
74% match · Text-Based, Interactive Fiction
96% of 10,723 reviews positive

23·Homicipher
74% match · Word Game, Text-Based
97% of 8,332 reviews positive

24·Murders on the Yangtze River
74% match · Detective, Puzzle-Platformer
97% of 21,276 reviews positive · 67 playing
The closest matches to Paper Bride 3 Unresolved Love on Steam are Paper Bride, 迷雾之夏-The Vigilant Villa, Paper Bride 2 Zangling Village, Aliya: Timelink, Re: LieF ~ Shin'ainaru Anata e~. They rank highest because their Steam community tags overlap most with Paper Bride 3 Unresolved Love's, and shared tags include Word Game, Detective, Thriller.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Word Game, Detective, Thriller count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Paper Bride 3 Unresolved Love's. Popularity never affects the ranking.