Games like Seven Sinners
Games like Seven Sinners include Red Dead Redemption 2, Terraria, West of Loathing, Talisman: Digital Classic Edition, and Melvor Idle. We matched them by the tags players give Seven Sinners on Steam (Quick-Time Events, Western, 2D, Hunting, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Red Dead Redemption 2
Shared: Western · Singleplayer · Adventure

Terraria
Shared: 2D · PvP · Adventure

West of Loathing
Shared: Western · Singleplayer · RPG

Talisman: Digital Classic Edition
Shared: Tabletop · Board Game · Singleplayer

Melvor Idle
Shared: Singleplayer · 2D · Casual

Armello
Shared: PvP · Board Game · 2D

Castle Crashers®
Shared: 2D · Singleplayer · PvP

12 is Better Than 6
Shared: Western · Singleplayer · 2D

Impostor Factory
Shared: 2D · Singleplayer · Top-Down

Monster Sanctuary
Shared: Singleplayer · Turn-Based Tactics · Turn-Based Combat

Gremlins, Inc.
Shared: Tabletop · Board Game · Singleplayer

Swords and Souls: Neverseen
Shared: Singleplayer · 2D · Turn-Based Combat

UNO
Shared: Tabletop · Board Game · Singleplayer

Hollow Knight: Silksong
Shared: 2D · Singleplayer · Indie

Pit People®
Shared: 2D · Turn-Based Combat · Singleplayer

Hard West
Shared: Western · Turn-Based Combat · Singleplayer

Hollow Knight
Shared: 2D · Singleplayer · Indie

Rento Fortune: Online Dice Board Game (大富翁)
Shared: Board Game · Tabletop · Casual

Swords and Sandals Classic Collection
Shared: 2D · Turn-Based Combat · RPG

Secrets of Grindea
Shared: Singleplayer · 2D · Adventure

Vampire Survivors
Shared: 2D · Singleplayer · Indie

The Last Spell
Shared: Singleplayer · 2D · Turn-Based Tactics

Richman 11
Shared: PvP · Board Game · Singleplayer

Hasbro's BATTLESHIP
Shared: Board Game · Tabletop · Singleplayer