Games like ILY
Games like ILY include Skul: The Hero Slayer, Vampire Survivors, Pikuniku, LIMBO, and SANABI. We matched them by the tags players give ILY on Steam (Indie, Adventure, Action, Casual, and 2D): closest matches first, and among equally close ones the better-known games.

Skul: The Hero Slayer
Shared: Indie · Action · 2D

Vampire Survivors
Shared: Indie · 2D · Action Roguelike

Pikuniku
Shared: Indie · Adventure · Casual

LIMBO
Shared: Indie · Adventure · 2D

SANABI
Shared: Action · Adventure · Indie

Dungeon Munchies
Shared: Indie · Action · Adventure

BEEP
Shared: Indie · Adventure · 2D

Rogue Legacy 2
Shared: Indie · Action · Adventure

There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Casual

ICEY
Shared: Action · Adventure · Indie

Cyberhunt
Shared: Indie · Action · Adventure

Rogue Legacy
Shared: Indie · Action · 2D

Notes of Soul
Shared: Action · Adventure · Indie

Banana
Shared: Casual · 2D · Singleplayer

BlazBlue Entropy Effect
Shared: Action · 2D · Indie

Dust: An Elysian Tail
Shared: Action · Indie · Adventure

Super Fancy Pants Adventure
Shared: Adventure · Indie · Action

Timberman
Shared: Indie · Casual · Action

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

Broforce
Shared: Action · 2D · Indie

Hollow Knight
Shared: Indie · 2D · Adventure

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

ShellShock Live
Shared: Action · 2D · Casual

Zombotron
Shared: Action · Adventure · Indie