Games like Penetrator

"Bionic Commando" is the sequel to the 1988 NES game, featuring the return of protagonist Nathan "R.A.D." Spencer. After being betrayed and imprisoned, Spencer is called back into action when terrorists destroy Ascension City with a powerful weapon. As the only Bionic Commando available, Spencer must use his unique abilities to swing and shoot through the ruined city and take down the terrorist threat. The game features updated swing-and-shoot gameplay in a 3D environment.

It's a twin-stick vertical scrolling Shooter hybrid with a cinematic flare: An unrelenting onslaught of eye-popping visuals, ear bursting soundscapes and mind-melting action makes Cygni the vanguard for the next generation of shoot-em ups.

Crimzon Clover: World Ignition is a top-down shooter from YOTSUBANE, AdventurePlanningService, featuring intense bullet hell action and customizable ships. Choose from four different modes, including Original, Unlimited, Time Attack, and Boost, and set your difficulty to either Arcade or Novice. The game features a unique multi-gauge system that allows you to upgrade your ship and control your playstyle.

In Shoot 1UP, players control a fleet of ships instead of a single one, with each 1UP collected adding to the armada immediately. The game features up to 30 ships on-screen at once, and weapons upgrade as more ships are collected. Local co-op play allows for up to 60 simultaneous player ships, and sacrificial bombs become more powerful with more ships. The game offers a challenging yet enjoyable manic shooting experience.

"Tokyo 42" is a vibrant and stylish open-world shooter, where you must navigate a world of assassins and corporate intrigue after being framed for a crime. The city of Tokyo is your playground, filled with secrets, weapons, and AI-driven citizens. Use stealth, shooting, and parkour to complete missions and survive the technicolor bullet hell of this cyberpunk future.

"Sky Force Anniversary" is a vertical scrolling shoot'em up game with modernized graphics and intense battles. The game features various aircrafts to upgrade, numerous enemies and bosses to defeat, and challenging missions with increasing difficulty levels. With its vibrant visuals and captivating gameplay, Sky Force Anniversary offers a thrilling shoot'em up experience.

Hive Jump is a fast-paced, action-platformer where you play as a brave space marine tasked with eradicating alien hives. Use a variety of weapons and equipment to navigate through procedurally generated levels, and work together with your team in local or online co-op. Fight challenging bosses, collect resources, and upgrade your gear to save humanity from the alien threat.

The Legend of Dark Witch is a side-scrolling action game with RPG elements. Players control Zizi, a witch who battles enemies using various magical spells and abilities. The game features multiple stages, each with their own unique boss battles and environments. Collecting items and defeating enemies earns experience points, which can be used to upgrade Zizi's abilities and stats.

In Terrian Saga: KR-17, players control a sentient military drone gaining consciousness and seeking to uncover its mysterious past while battling enemy robots in intricate levels using upgradable weapons. The game takes place in the Terrius system, where twin solar systems share planets and tensions rise between the Cyrinus empire and the Glortac People's Resistance. Players can rely on their trusty guided missile sidekick J1M to aid in their fight.

Metal Slug XX is a classic 2D run-and-gun action shooting game now available on Steam with upscaled graphics and 4k resolution support. The game features 7 missions, hidden routes, and unlockable bonuses, as well as the addition of Leona Heidern as a playable character. With over 70 mini-games and the return of the fan-favorite "Combat School," Metal Slug XX offers intense action and replayability.