Games like Unavailed
Games like Unavailed include NEEDY STREAMER OVERLOAD, DELTARUNE, Undertale, Tales of the Black Forest, and Touhou Hero of Ice Fairy. We matched them by the tags players give Unavailed on Steam (RPG, Bullet Hell, Visual Novel, Point & Click, and Female Protagonist): closest matches first, and among equally close ones the better-known games.

NEEDY STREAMER OVERLOAD
Shared: Visual Novel · Cute · Anime

DELTARUNE
Shared: RPG · Bullet Hell · Story Rich

Undertale
Shared: RPG · Story Rich · 2D

Tales of the Black Forest
Shared: RPG · Female Protagonist · Visual Novel

Touhou Hero of Ice Fairy
Shared: Bullet Hell · Female Protagonist · Cute

Volcano Princess
Shared: RPG · Female Protagonist · Visual Novel

Finding Paradise
Shared: RPG · 2D · Story Rich

Mirror 2: Project X
Shared: Visual Novel · Female Protagonist · RPG

VA-11 Hall-A: Cyberpunk Bartender Action
Shared: Visual Novel · Female Protagonist · Point & Click

No Case Should Remain Unsolved
Shared: Visual Novel · Point & Click · Female Protagonist

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Female Protagonist · Story Rich

To the Moon
Shared: Story Rich · RPG · Pixel Graphics

Far Away
Shared: Visual Novel · Female Protagonist · Story Rich

Billionaire Lovers
Shared: RPG · Visual Novel · 2D

Magical Girl Witch Trials
Shared: Visual Novel · Female Protagonist · Cute

Last Command
Shared: Bullet Hell · 2D · Cute

Milk outside a bag of milk outside a bag of milk
Shared: Visual Novel · Story Rich · 2D

Rabi-Ribi
Shared: Bullet Hell · Female Protagonist · Anime

Vampire Survivors
Shared: Bullet Hell · 2D · Pixel Graphics

Noctuary
Shared: Visual Novel · Cute · Story Rich

Until Then
Shared: Visual Novel · 2D · Story Rich

OMORI
Shared: RPG · Story Rich · 2D

Refind Self: The Personality Test Game
Shared: Visual Novel · Female Protagonist · 2D

WITCH ON THE HOLY NIGHT
Shared: Visual Novel · 2D · Female Protagonist