Games like Steel Eagle - Cave mission
Games like Steel Eagle - Cave mission include BALL x PIT, SYNTHETIK: Legion Rising, Cyberhunt, Sky Force Reloaded, and RUINER. We matched them by the tags players give Steel Eagle - Cave mission on Steam (Action, Indie, Shoot 'Em Up, Top-Down Shooter, and Downloadable Content): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Action · Shoot 'Em Up · Top-Down Shooter

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

Cyberhunt
Shared: Action · Indie · Shoot 'Em Up

Sky Force Reloaded
Shared: Shoot 'Em Up · Top-Down Shooter · Action

RUINER
Shared: Action · Top-Down Shooter · Indie

Hotline Miami
Shared: Action · Indie · Top-Down Shooter

State of Anarchy
Shared: Action · Indie · Shoot 'Em Up

The Ascent
Shared: Top-Down Shooter · Action · Indie

The Hong Kong Massacre
Shared: Action · Indie · Top-Down Shooter

RUNNING WITH RIFLES
Shared: Action · Top-Down Shooter · Indie

20 Minutes Till Dawn
Shared: Shoot 'Em Up · Top-Down Shooter · Indie

Skul: The Hero Slayer
Shared: Action · Indie

Nation Red
Shared: Action · Indie · Top-Down Shooter

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

Savant - Ascent
Shared: Action · Indie · Shoot 'Em Up

Splatter - Zombiecalypse Now
Shared: Action · Indie · Top-Down Shooter

ZeroRanger
Shared: Indie · Shoot 'Em Up · Action

LUFTRAUSERS
Shared: Indie · Action · Shoot 'Em Up

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

UBERMOSH Vol.5
Shared: Action · Indie · Top-Down Shooter

BLUE REVOLVER
Shared: Shoot 'Em Up · Indie · Action

Hades
Shared: Indie · Action

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Indie · Shoot 'Em Up

Nuclear Throne
Shared: Indie · Action · Top-Down Shooter