Games like Ink Plane
Games like Ink Plane include TouHou Makuka Sai ~ Fantastic Danmaku Festival, Vampire Survivors, Cyberhunt, 20 Minutes Till Dawn, and RADical ROACH Remastered. We matched them by the tags players give Ink Plane on Steam (Casual, Indie, Shoot 'Em Up, Bullet Hell, and Action): closest matches first, and among equally close ones the better-known games.

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Indie · Bullet Hell · Casual

Vampire Survivors
Shared: Bullet Hell · Indie · Casual

Cyberhunt
Shared: Indie · Casual · Action

20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Casual

RADical ROACH Remastered
Shared: Indie · Casual · Action

TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Indie · Bullet Hell · Shoot 'Em Up

Florence
Shared: Casual · Indie · Adventure

Planes, Bullets and Vodka
Shared: Casual · Shoot 'Em Up · Action

Pikuniku
Shared: Indie · Casual · Adventure

Slime Rancher
Shared: Singleplayer · Adventure · Cute

House Flipper
Shared: Singleplayer · Casual · Design & Illustration

Cat Quest
Shared: Indie · Adventure · Action

Megabonk
Shared: Indie · Bullet Hell · Action

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Action

Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Indie

Donut County
Shared: Casual · Indie · Cute

LUFTRAUSERS
Shared: Indie · Bullet Hell · Action

Gang Beasts
Shared: Casual · Action · Indie

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Shoot 'Em Up · Bullet Hell · Action

BEEP
Shared: Indie · Singleplayer · Adventure

Juicy Realm
Shared: Indie · Action · Casual

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Indie · Bullet Hell · Action

Rabi-Ribi
Shared: Bullet Hell · Indie · Casual

Revolution Ace
Shared: Shoot 'Em Up · Indie · Action