Games like Halloween World
Games like Halloween World include Slime Rancher, Slime Rancher 2, Kingdom Rush - Tower Defense, Florence, and Klonoa Phantasy Reverie Series. We matched them by the tags players give Halloween World on Steam (Casual, Action-Adventure, Fantasy, Adventure, and Cute): closest matches first, and among equally close ones the better-known games.

Slime Rancher
Shared: Cute · Adventure · Casual

Slime Rancher 2
Shared: Cute · Adventure · Casual

Kingdom Rush - Tower Defense
Shared: Casual · Fantasy · 2D

Florence
Shared: Casual · Adventure · Cute

Klonoa Phantasy Reverie Series
Shared: Adventure · Action-Adventure · Cute

Melvor Idle
Shared: Casual · Adventure · 2D

Banana
Shared: Casual · 2D · Singleplayer

Pikuniku
Shared: Casual · Adventure · Cute

Where Winds Meet
Shared: Action-Adventure · Adventure · Singleplayer

Cat Quest
Shared: Adventure · Cute · Casual

Scribblenauts Unlimited
Shared: Casual · Adventure · 2D

Crimson Desert Enhanced
Shared: Adventure · Fantasy · Action-Adventure

Hogwarts Legacy
Shared: Fantasy · Adventure · Action-Adventure

Rabi-Ribi
Shared: Action-Adventure · Cute · Casual

The Plucky Squire
Shared: Action-Adventure · Adventure · Cute

Monster Boy and the Cursed Kingdom
Shared: Adventure · 2D · Indie

The Last Campfire
Shared: Adventure · Cute · Fantasy

Donut County
Shared: Casual · Cute · Indie

Idle Champions of the Forgotten Realms
Shared: Fantasy · Adventure · Casual

The Adventure of NAYU
Shared: Casual · Cute · Fantasy

Kingdom Rush Origins - Tower Defense
Shared: Casual · 2D · Action-Adventure

Ori and the Will of the Wisps
Shared: Adventure · Singleplayer · Action-Adventure

Garden Story
Shared: Fantasy · Adventure · Cute

SUPER CHICKEN JUMPER
Shared: Action-Adventure · 2D · Cute