Games like ∞
Games like ∞ include Melvor Idle, To the Moon, Impostor Factory, Vampire Survivors, and DELTARUNE. We matched them by the tags players give ∞ on Steam (Casual, RPG, 2D Platformer, 2D, and Emotional): closest matches first, and among equally close ones the better-known games.

Melvor Idle
Shared: RPG · Casual · 2D

To the Moon
Shared: Emotional · Indie · RPG

Impostor Factory
Shared: Emotional · RPG · 2D

Vampire Survivors
Shared: 2D · Casual · Indie

DELTARUNE
Shared: RPG · Emotional · 2D

Finding Paradise
Shared: Emotional · RPG · 2D

Billionaire Lovers
Shared: RPG · Casual · Emotional

Banana
Shared: Casual · 2D · Singleplayer

Potion Craft: Alchemist Simulator
Shared: Singleplayer · 2D · Casual

Swords and Souls: Neverseen
Shared: RPG · Indie · 2D

Zup! S
Shared: Casual · 2D · Indie

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Indie · Casual

Home Behind
Shared: RPG · Casual · Indie

Game Dev Tycoon
Shared: Casual · Indie · 2D

DAVE THE DIVER
Shared: Casual · RPG · Singleplayer

Touhou Mystia's Izakaya
Shared: Casual · RPG · 2D

Stardew Valley
Shared: RPG · Casual · Indie

Emily is Away <3
Shared: Casual · Indie · Emotional

Thomas Was Alone
Shared: 2D Platformer · Sci-fi · 2D

Braid
Shared: 2D Platformer · 2D · Indie

CrossCode
Shared: RPG · 2D · Indie

Cyberpunk 2077
Shared: RPG · Sci-fi · Singleplayer

Undertale
Shared: RPG · 2D · Indie

Chinese Parents
Shared: Casual · RPG · Indie