Games like Slayaway Camp
Games like Slayaway Camp include Mewgenics, Baba Is You, Into the Breach, Patrick's Parabox, and Tactical Breach Wizards. We matched them by the tags players give Slayaway Camp on Steam (Sokoban, Turn-Based Tactics, Puzzle, Difficult, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

Mewgenics
Shared: Turn-Based Tactics · Turn-Based Strategy · Cute

Baba Is You
Shared: Puzzle · Difficult · Sokoban

Into the Breach
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

Patrick's Parabox
Shared: Sokoban · Puzzle · Difficult

Tactical Breach Wizards
Shared: Turn-Based Tactics · Puzzle · Turn-Based Strategy

A Good Snowman Is Hard To Build
Shared: Sokoban · Puzzle · Cute

Dorfromantik
Shared: Puzzle · Turn-Based Strategy · Strategy

A Monster's Expedition
Shared: Puzzle · Sokoban · Difficult

Changed
Shared: Difficult · Puzzle · Cute

Terra Nil
Shared: Puzzle · Strategy · Turn-Based Strategy

60 Seconds!
Shared: Turn-Based Tactics · Difficult · Strategy

Getting Over It with Bennett Foddy
Shared: Difficult · Funny · Horror

XCOM: Enemy Unknown
Shared: Turn-Based Strategy · Strategy · Difficult

Zup! S
Shared: Puzzle · Casual · Indie

Untitled Goose Game
Shared: Villain Protagonist · Puzzle · Cute

5D Chess With Multiverse Time Travel
Shared: Difficult · Puzzle · Turn-Based Strategy

60 Seconds! Reatomized
Shared: Turn-Based Tactics · Strategy · Difficult

Invisible, Inc.
Shared: Turn-Based Tactics · Difficult · Strategy

STAR WARS Zero Company™
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

Jagged Alliance 3
Shared: Turn-Based Tactics · Strategy · Turn-Based Strategy

XCOM®: Chimera Squad
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

Puddle Knights
Shared: Sokoban · Puzzle · Difficult

The Legend of Bum-Bo
Shared: Puzzle · Strategy · Difficult

Kindergarten
Shared: Puzzle · Funny · Strategy