Games like Side Effect
Games like Side Effect include Slay the Spire 2, Darkest Dungeon®, FTL: Faster Than Light, Balatro, and For The King. We matched them by the tags players give Side Effect on Steam (Strategy, Roguelike, Turn-Based Combat, Online Co-Op, and Singleplayer): closest matches first, and among equally close ones the better-known games.
Slay the Spire 2
Shared: Roguelike · Strategy · Turn-Based Combat
Darkest Dungeon®
Shared: Turn-Based Combat · Roguelike · Strategy
FTL: Faster Than Light
Shared: Roguelike · Strategy · Singleplayer
Balatro
Shared: Roguelike · Strategy · Singleplayer
For The King
Shared: Roguelike · Online Co-Op · Strategy
Quasimorph
Shared: Strategy · Turn-Based Combat · Roguelike
Bloons TD 6
Shared: Strategy · Online Co-Op · Singleplayer
Nubby's Number Factory
Shared: Strategy · Roguelike · Singleplayer
Into the Breach
Shared: Strategy · Roguelike · Indie
Slay the Spire
Shared: Roguelike · Strategy · Singleplayer
Pit People®
Shared: Turn-Based Combat · Online Co-Op · Strategy
Stoneshard
Shared: Roguelike · Strategy · Singleplayer
For The King II
Shared: Strategy · Roguelike · Online Co-Op
9 Kings
Shared: Strategy · Roguelike · Turn-Based Combat
Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Roguelike · Strategy · Singleplayer
Warriors of the Nile
Shared: Strategy · Turn-Based Combat · Singleplayer
Die in the Dungeon
Shared: Strategy · Roguelike · Turn-Based Combat
XCOM 2
Shared: Strategy · Turn-Based Combat · Singleplayer
The Binding of Isaac: Rebirth
Shared: Roguelike · Indie · Singleplayer
Crown Trick
Shared: Roguelike · Turn-Based Combat · Strategy
Othercide
Shared: Strategy · Turn-Based Combat · Indie
ELDEN RING NIGHTREIGN
Shared: Roguelike · Online Co-Op · Singleplayer
Gunfire Reborn
Shared: Roguelike · Online Co-Op · Indie
Library Of Ruina
Shared: Strategy · Turn-Based Combat · Singleplayer