Games like LISA: The Painful
Games like LISA: The Painful include Undertale, OMORI, Little Misfortune, DELTARUNE, and OneShot. We matched them by the tags players give LISA: The Painful on Steam (Dark Humor, RPG, Psychological Horror, Story Rich, and Post-apocalyptic): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: Story Rich · RPG · Choices Matter

OMORI
Shared: Psychological Horror · Story Rich · RPG

Little Misfortune
Shared: Psychological Horror · Story Rich · Indie

DELTARUNE
Shared: Story Rich · RPG · Pixel Graphics

OneShot
Shared: Story Rich · Indie · Pixel Graphics

Tales of the Black Forest
Shared: RPG · Pixel Graphics · Story Rich

Eastward
Shared: Story Rich · RPG · Pixel Graphics

Heartbound
Shared: RPG · Story Rich · Indie

DISTRAINT: Deluxe Edition
Shared: Psychological Horror · Indie · Story Rich

Sally Face - Episode One
Shared: Psychological Horror · Story Rich · Indie

The Hex
Shared: Story Rich · Indie · Psychological Horror

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Story Rich · Choices Matter

To the Moon
Shared: Story Rich · Indie · RPG

Impostor Factory
Shared: Story Rich · RPG · Pixel Graphics

No, I'm not a Human
Shared: Psychological Horror · Story Rich · Indie

The Witch's House MV
Shared: RPG · Psychological Horror · Indie

OFF
Shared: RPG · Psychological Horror · Story Rich

South Park™: The Stick of Truth™
Shared: RPG · Dark Humor · Adventure

Kindergarten 2
Shared: Dark Humor · Indie · Pixel Graphics

Finding Paradise
Shared: Story Rich · RPG · Pixel Graphics

Ib
Shared: Story Rich · Psychological Horror · Pixel Graphics

Night in the Woods
Shared: Dark Humor · Story Rich · Choices Matter

Tiny Bunny
Shared: Story Rich · Psychological Horror · Choices Matter

Clair Obscur: Expedition 33
Shared: Story Rich · RPG · JRPG