Top similar games like Interstellar Sentinel:

In a future Earth of machine overlords, warrior chieftain Ramek enacts a terrible revenge upon his mechanical enemy. Fly Ramek's genetically-engineered war-budgie through five levels of non-stop carnage, from the irradiated sands of the Dead Zone, to the iron towers of Machine City.

Cotton Reboot! is a completely remastered version of Cotton.Fantastic Night Dreams, the originator of the witchy shooting game released 30 years ago, with new features and the latest visual design.

A fast-paced, side-scrolling retro shooter where you play as “Blit" on a mission to rescue orb pods. Blast enemy swarms and face off against bosses in this bullet-hell shoot 'em up. Earn power-ups and get ready for fluid arcade action in a stylish world with an 80s synthwave soundtrack.

In this sideways scrolling shmup, take control of your spaceship and navigate through vibrant pixelated environments filled with hordes of enemy spacecraft. Upgrade your ship and weapons, dodge enemy fire while blasting through each stage. Emerge victorious as the ultimate space pilot!

Betrayed by her cut-throat crew, Luna Starr - former Space Pirate Captain turned bounty hunter - has a score to settle. As Luna, travel to 5 exotic planets to track down your mutinous mates, and face them in Bullet Hell dogfights to the death!

Space Savior Special. Shmup genre game. Help Earth in her last awakened attempt to save humanity from the Naggal Biomechanical Virus. Use everything you have to get through enemy forces! Your ship, your pods, your bombs, your faith and your reflexes to destroy your terrible enemy!

Tank And Roll is an Action-Shooter game that challenges players achieve the highest score! There are features such as unlocking new vehicles, drawing your own vehicle, and importing custom avatars for your character! It offers both fun and a rewarding challenge for those who dare to master it!

A thrilling sci-fi cyberpunk shmup / shoot'em up with epic boss battles and a vast arsenal of futuristic weapons! Battle through the Ecumenopolis, restore the cosmic balance, and save the universe! Flow state gaming to unleash your inner hero! Feel your skills grow on your way to 1CC S+ tier rank!

The official Project X sequel ✨ Back after 30 years!🎮 A demanding, skill-based experience that rewards patience and mastery. Not every game is for everyone — this one is for players who love a real, fair challenge. Try the demo and see if you’re up for it. Failure teaches. Mastery rewards.

Sidescrolling Shoot’em’up that will transport you back into the 90s (and space).

The Rush is a horizontally scrolling shoot 'em up with graphics inspired by classic space shooters of the MSX. Buckle up and see if you have what it takes to master the highly adaptive Chameleon Quartz space fighter and single-handedly obliterate the alien invaders!

Repel extraterrestrial entities!

A shmup without shooting. Reflect the bullets with one of your two shields. Bite-sized arcade action. Cover humankind's retreat and make it count.

Break through ceilings, rescue princesses and escape boiling lava as you slash your way to the top of the Knightmare Tower!

Operation STEEL is a roguelike shoot-em-up rendered in hand-drawn art. Blow up loads of enemies, destroy huge bosses, find weapons, and upgrade your load-out between levels. Combat the electronic legion across 20+ procedurally generated levels!

Katalyst is a 2-D Space Shooter for the people who love and grew up with Space Shooters! Guide the Hero on his journey to defeat the evil aliens threatening civilization! If you like dodging bullets, precision shooting, and only being able to move in 8-directions, then this game is for you!

Fly, fight, and cast spells in this thrilling witch shooter! Save your friends from a mysterious menace using your magical prowess and spells. Become a fearless witch on a high-speed adventure!

Angelstruck is a 2D roguelite shooter where you demolish the forces of Heaven as you attempt to reach the pearly gates. Overcharge your holy rifle, and min-max your way into insane game-breaking builds. Unlock permanent capabilities and powerful screen-destroying weapons that feed on kills.

Blast and weave your way through enemy fire while managing a wide variety of ship power-ups in this retro style horizontal shoot-'em-up!

Grab the fate of all life in your hands. Blast your way through the cosmos, destroying monstrous cosmic beasts and the space cultists summoning them, on your path to stopping your mother from unleashing the chaos realm upon the universe, in this sci-fi cosmic horror bullet-hell, STARR RINGER.

classical horizontal scroll 2D Shmup

Killon is a retro shooter that features exhilarating combat, manic enemies and a charged cannon waiting to be unleashed. Fly a starship across the universe and restore the future today.

Celestia is a solo-developed indie game. An angelic bullet-hell shoot-'em-up where you defeat enemies throughout the skies, and relax on a floating island with your companions.

A single-stick arcade shoot 'em up inspired by the golden years of retro gaming. Blast to the synthwave beat to combine powerups and destroy waves of invaders. Complete missions, compete on leaderboards, discover secrets, and unlock over 80 unique ships from every era of gaming.

DARIUSBURST Chronicle Saviours is the latest installment in Taito's DARIUS series of arcade-style shooting games. Blast hordes of alien sea-monsters, and blaze your own trail through branching environments.

Upgrade your warriors and shoot through waves of enemies in this challenging bullet hell gauntlet. Features a fast-paced campaign, boss rush mode, and a level creator for you to build, upload, and play custom stages. Master the skill trees to gain power and dominate the kingdom!

Outnumbered and outgunned in deep space? No problem! Turn your enemies' attacks into pure bullet heaven with your shield tech and absorb projectiles to power up your ship and score big! But when your shield expires and it's danger time, you better switch up your strategy fast...

A side scrolling shooter with a bullet hell influence. Does it explode? Yes. Everything does. Enemies show their battle damage through having chunks be blown off. There are multiple enemies all with unique behaviours, all which are designed in junction with each other.

Thunder Tiger is a fast-paced side-scrolling shoot ’em up, blending 1980s arcade style with futuristic flair. Blast enemies, grab power-ups, and chase high scores in intense 2D stages. Classic retro vibe meets modern gameplay!

Space Mash is a bullet-hell shooter in the retro style of the earliest arcade games. To help beginners, older players and those with a motor impairment, there are five levels of slow-down that can be activated at any time during game play.