Games like Thundering Skies
Games like Thundering Skies include Huntdown, METAL SLUG, LUFTRAUSERS, METAL SLUG X, and METAL SLUG 3. We matched them by the tags players give Thundering Skies on Steam (Arcade, Shoot 'Em Up, Side Scroller, Old School, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Huntdown
Shared: Side Scroller · Pixel Graphics · Shoot 'Em Up

METAL SLUG
Shared: Arcade · Side Scroller · Shoot 'Em Up

LUFTRAUSERS
Shared: Arcade · Shoot 'Em Up · Pixel Graphics

METAL SLUG X
Shared: Arcade · Shoot 'Em Up · Side Scroller

METAL SLUG 3
Shared: Arcade · Side Scroller · Retro

Blazing Chrome
Shared: Side Scroller · Retro · Pixel Graphics

Warhammer 40,000: Boltgun
Shared: Pixel Graphics · Retro · Old School

Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Arcade · Retro

Bit Blaster XL
Shared: Shoot 'Em Up · Arcade · Shooter

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Retro · Side Scroller

Vampire Survivors
Shared: Pixel Graphics · Arcade · Singleplayer

DRAINUS
Shared: Shoot 'Em Up · Singleplayer · Shooter

Alex Jones: NWO Wars
Shared: Arcade · Shoot 'Em Up · Side Scroller

Broforce
Shared: Pixel Graphics · Side Scroller · 2D

Jets'n'Guns Gold
Shared: Shoot 'Em Up · Side Scroller · Arcade

ARCADE GAME SERIES: GALAGA
Shared: Arcade · Shoot 'Em Up · Retro

METAL SLUG 2
Shared: Arcade · Side Scroller · Shoot 'Em Up

ZeroRanger
Shared: Shoot 'Em Up · Arcade · Pixel Graphics

Kero Blaster
Shared: Side Scroller · Shoot 'Em Up · Arcade

Cyberhunt
Shared: Shoot 'Em Up · Arcade · Pixel Graphics

Terminator 2D: NO FATE
Shared: Side Scroller · Arcade · Pixel Graphics

Kung Fury: Street Rage - Ultimate Edition
Shared: Arcade · Side Scroller · Retro

Guns of Fury
Shared: Pixel Graphics · Shoot 'Em Up · Retro

Contra Anniversary Collection
Shared: Side Scroller · Retro · Arcade