Games like KIKURA
Games like KIKURA include Sky Force Reloaded, Selaco, BioShock Infinite, SANABI, and DEVIL BLADE REBOOT. We matched them by the tags players give KIKURA on Steam (Bullet Hell, Action, Top-Down Shooter, 2D Platformer, and Shooter): closest matches first, and among equally close ones the better-known games.

Sky Force Reloaded
Shared: Bullet Hell · Top-Down Shooter · Action

Selaco
Shared: Shooter · Action · Retro

BioShock Infinite
Shared: Action · Shooter · Story Rich

SANABI
Shared: Action · 2D Platformer · Story Rich

DEVIL BLADE REBOOT
Shared: Action · Shooter · Bullet Hell

Planes, Bullets and Vodka
Shared: Action · Bullet Hell · Retro

Hotline Miami
Shared: Action · Indie · Retro

Exit the Gungeon
Shared: Action · Bullet Hell · Indie

UBERMOSH Vol.5
Shared: Action · Bullet Hell · Retro

Warhammer 40,000: Boltgun
Shared: Action · Shooter · Retro

Vampire Survivors
Shared: Bullet Hell · Action · Indie

LUFTRAUSERS
Shared: Bullet Hell · Action · Indie

Door Kickers: Action Squad
Shared: 2D Platformer · Action · Retro

Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Bullet Hell · Shooter

BALL x PIT
Shared: Action · Bullet Hell · Top-Down Shooter

ZeroRanger
Shared: Bullet Hell · Action · Indie

Katana ZERO
Shared: Action · 2D Platformer · Story Rich

Touhou Kinjoukyou ~ Fossilized Wonders.
Shared: Bullet Hell · Action · Shooter

Nuclear Throne
Shared: Bullet Hell · Action · Top-Down Shooter

Project Warlock II
Shared: Shooter · Action · Old School

HROT
Shared: Retro · Shooter · Action

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action · Indie

The Citadel
Shared: Retro · Old School · Shooter

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