Top similar games like IFF:

Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *

Fast paced Top-down shooter! Smartly use IRCM to evade the constant barrage of bullets and missiles and destroy everything that stands in your way.

B.O.T.S. and the Robofriends is a sci-fi top-down shooter rouge-lite with multiple games modes. Play alone or with friends in 4-player co-op choosing from 4 unique robot characters with different attributes and attacks. Defend your home, rescue the Robofriends, and find MOTHER!

Repel extraterrestrial entities!

Boom Bits is a single-player twin stick shooter set in the distant future where humans have been forced to leave the planet. You must protect the cargo and get to the launch site.

Dodge, collect, and survive. Every piece of salvage you grab makes your ship deadlier and tougher.

TV Boy is an action packed top-down shooter. Blast waves of weird and whacky enemies with even weirder weapons to rescue the captured citizens of TV Topia and restore peace to the galaxy!

Shoot, destroy, collect, craft and destroy even more! "Dark Gravity" is a fast-paced, low poly vertical shoot'em up game that features non-linear campaign mode with lots of enemies and bosses. Craft new weapons, upgrade your fighter and build an ultimate aerial war machine!

Frantic 4-player laser ricocheting top-down shooter. Keep it casual and enjoy the chaos, or master the surprisingly deep mechanics to obliterate your enemies. Duke it out locally in free-for-all or 2v2.

Escape the Maze of Malice in this frantic 2D top-down shooter!

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.

Fast top-down space shooter with varied missions, relentless enemies, powerful ship upgrades, and most importantly, fire.

XenoFeud is an insane top-down twin-stick arcade alien shooter, where you must survive hordes of alien intruders while defending a mysterious object in space.

Zip and zoom as you zap enemies and steal their stuff. Build progressively bigger, faster, tankier, more agile, more dangerous, more complicated, more projectile-y-ier ships in your goal to destroy and collect everything.

Battle aliens above the city of New York.

Space Waver is an action-adventure-shooter space game, with a strong bind to comics. Become a space mercenary and experience his life through multiple contracts.

Dead End Job sends you into a madcap, Ren & Stimpy-esque world to bust up ghosts. It’s a procedurally generated, couch co-op, twin-stick shooter that straps a vacuum pack to your back and puts a plasma blaster in your hand. For you, it’s just another day in the office.

Engage in an intense space shooter that you can play in single-player or multiplayer with up to 6 players. Play a variety of different spaceships, each with their own unique stats, components, and playstyles!

STAR SHREDDERS is a prologue to an extensive, story-rich SHMUP with strategic elements. Play as Clash, leading the Valkyrie force in the onset of an epic interstellar war. This teaser sets the stage for a larger adventure.

Take control of a growing singularity in Blackhole Collapse, a fast-paced action rogue-like! Devour cosmic debris, dodge relentless hazards and volatile anomalies, upgrade your gravitational powers, and consume entire celestial bodies as you survive the void.

Drift Vector is a love-letter to Asteroids, synthwave & making pretty patterns with neon glowing trails while going pew pew pew...

Top-down arcade space shooter with retro pixel-art style. Fight waves of alien invaders across world landmarks, buy upgrades between battles, collect power ups, participate in events & missions, defeat epic bosses, and more.

Become the galaxy’s deadliest hunter! Wield 7 weapons at once, unleash ricochet chaos, and conquer alien worlds in this fast-paced roguelite. Survive 10 minutes of madness, trigger your Rage, and slay the boss. Master unique Signature Weapons and craft your ultimate build!

Play Droid Assault and experience running blaster battles with hordes of rampaging killer robots! Discover a unique tactical arcade shooter, with the fun addictive gameplay of 8-bit classics. You'll need your wits and the help of your acquired droid squad to stay alive in this fast-paced retro actionfest.

Viscera is an arcade-inspired, gleefully excessive top-down shooter. Fight through the muck and gore against the mutant menace. Master over 50 weapons and more than 80 abilities. Prove you’re the best at withstanding the horde until the end takes you. Viscera awaits. Soak in it.

Teleport, shift through bullets, and master lightning-fast takedowns in an all new kind of action game from tinyBuild and Team Shifty!

Finding Mom is a Singleplayer Bullet-Hell following a boy who is trying to find his captured mom. Experience the story, and enjoy the atmosphere that is created through handmade pixel art, music, and gameplay.

Will you have what it takes to avenge your father, defeat the evil DreadSkull and save the galaxy? Collect gems and customize your ship to get through six replayable sectors, annihilate your foes and fight epic bosses in this classic styled pixel art shoot'em'up with RPG progression.

Get into the cockpit of an ace pilot fighting in the galactic war in this sci-fi arcade top-down shooter. Participate in numerous campaign missions to explore the story of Magnificent-1 and enjoy the arcade mode to strive for the highest score.

A sci-fi twin stick shooter stripped down to the bare essentials with focus on smooth controls and satisfying action.

move fast → build weapon evolutions | crack elites + bosses | chase a high score | pixel-art bullet heaven | free updates forever

This lightning fast arena shooter brings you right back to the highscore hunts of the arcade era. Use your arsenal of deadly weapons wisely against the increasingly ferocious monster hordes to survive as long as you can.

The SPELP program needs YOU to annihilate thousands of aliens with a variety of weapons, members and unique capacities. Unlock characters and make up your own team to fit your playstyle.

Combining retro puzzles and a arcade space shooter. You and your crew found strange materials in the galaxy core to upgrade your ship to the most powerful. While collecting core materials you came across something unbelievable ... The Core Message. The Core Message changes everything.

Cosmo Chaser is space fighter action game which presents restless shooting battle. It demonstrates new style of vertical scroll shooter by presenting classic arcade action in 3D space.

Raider Pheasant is a single-player arcade shoot ’em up viewed from a dramatic high-angle perspective. Blast through enemy formations, power up your fighter, defeat massive bosses, and chase high scores with keyboard or controller.