Games like 弹幕大修仙 - 开篇
Games like 弹幕大修仙 - 开篇 include Escape From Duckov, SANABI, Sonic Superstars, Minishoot' Adventures, and 12 is Better Than 6. We matched them by the tags players give 弹幕大修仙 - 开篇 on Steam (Casual, Adventure, Action, Shooter, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Escape From Duckov
Shared: Adventure · Action · Shooter

SANABI
Shared: Action · Adventure · 2D Platformer

Sonic Superstars
Shared: Action · Adventure · Casual

Minishoot' Adventures
Shared: Adventure · Bullet Hell · Casual

12 is Better Than 6
Shared: Action · Shooter · Top-Down Shooter

Cyberhunt
Shared: Casual · Action · Adventure

Thank Goodness You're Here!
Shared: Adventure · Casual · 2D Platformer

Planes, Bullets and Vodka
Shared: Casual · Action · Shooter

BioShock Infinite
Shared: Action · Shooter · Adventure

Exit the Gungeon
Shared: Action · Adventure · Bullet Hell

Red Dead Redemption 2
Shared: Adventure · Action · Shooter

Sonic Origins
Shared: Action · Adventure · 2D Platformer

Vampire Survivors
Shared: Bullet Hell · Casual · 2D

Relic Hunters Zero: Remix
Shared: Action · Adventure · Top-Down Shooter

Pikuniku
Shared: Adventure · Casual · Action

ShellShock Live
Shared: Action · Casual · Shooter

Tomb Raider Game of the Year
Shared: Adventure · Action · Shooter

Far Cry 3
Shared: Action · Adventure · Shooter

Grand Theft Auto V Legacy
Shared: Action · Adventure · Shooter

Rocket Rats
Shared: Casual · Bullet Hell · Action

Super Fancy Pants Adventure
Shared: Adventure · Action · Casual

Bit Blaster XL
Shared: Shooter · Bullet Hell · Casual

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

Half-Life 2
Shared: Action · Shooter · Adventure