Top similar games like I.F.O:

WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects. Use your destructible shield, rescue army men for bonus points, and chase the high score.

Defend the Little Spaceman Dudes from aliens! Blast waves of Alien Abductors and UFOs across 50 challenging levels in this fast-paced ’80s-style arcade space shooter.

Cyberpunk 3776 harkens back to the glory days of arcade shoot-em-ups. It all begins on a postapocalyptic earth and proceeds into space. Your journey will be a metaphor about life and death, a road that every person has to walk down alone. The only choices you get while on your path to the inevitable end: keep your head up high or forfeit.

Invaders from the Lost Sectors is classic arcade action. Aliens descend with increasing speed towards your base. Shoot them all before they land. Player controlled settings like guided missiles, rate of fire, enemy speed and more help you customize exactly the game experience that you want.

This is a retro space shooting game, where you only fight against the strongest enemy. There are 15 unique bosses in the game, and players need to use different weapons and strategies to defeat them. Dedicated to you who are both challengers and retro game lovers.

The year is 2051. Location: SATAZIUS, a long-abandoned planet. The cruiser Agano was on patrol when it was attacked and stricken by a confederacy of space pirates that had established a base on SATAZIUS. The pirates attacked the Agano intending to steal the assault ship ‘Trafalgar’ that was stowed aboard the Agano, but the Trafalgar made...

Zenvader is a super retro shooter mixed with roguelite elements. Dodge the barrage of bullets, improve your unit, and try to defeat the Alien King!

Blast those pesky birds in Ah 'ate those flockin birds! Recover lost property and then build with precision in Retroa Retroa Builda! Climb your way to victory? in Slime!? Climb!? A RAD 80s-style game bundle - great for players new to gaming & retro fans! Retro games with a slight modern twist!

Spacejack a UFO and turn alien tech against its owners across 49 action-packed stages. Use black holes, nukes, slow-mo, and more to survive escalating waves and save the planet.

Super Duper Arcade is a compilation of reimagined timeless arcade classics. A passionate love letter to 1980s and 1990s arcades. Chase high scores in single-player mode or go head to head with a friend to see who's worthy to call themself the Master of Arcades.

A shoot'em up inspired by the 16-bit classics of the genre.

Survive the swarm and clear the arena of alien infestation in this fast-paced bullet hell roguelite shooter. Unlock new heroes, guns, and skills in a never ending quest with one thing in mind. Keep Those Bugs Away From The Bomb!

Collection of a few arcade classics, remade with a fresh and friendly looking art style and a beautiful soundtrack.

Jetboy is a retro supercharged jetpacking pixel shooter with a pumping metal soundtrack.

The year is 1989. 12 years have passed since the Gogoh Army’s invasion of Earth. Exposure to alien technology during the war enabled Earth’s own technologies to take massive leaps forward. International conflict that was previously rife in the history of mankind fell to an all-time low, and the Earth Federation was established as a...

A quick and action paced retro styled arcade shooter, or shoot 'em up (shmup) if you like. Perfect to play in short chunks, like when you are waiting for big games to download.

Alien Slayers is a roguelite time survival game where you hunt down hostile alien creatures on various planets. Grab your weapon and survive to the end to become the strongest alien.

Mashup of classic arcade games.

ZANAC-like Ultra High-Speed Scrolling 2D Shooter Humanity suffered a crushing defeat in the war against the sentient AI, RA6 the Great Sovereign, losing 70% of the global population. Now, you board the anti-AI fighter MSX-3 Arondight, and launch into the final battle against the Sovereign.

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!

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.

Time to bug out and blast back in this arcade shooter packed with waves of insects and UFOs. Fight through 50 challenging stages, grab power-ups, and chase the high score.

Red Horizon is an addictive space shmup game. Heavily influenced by the classics of the past, Red Horizon takes a modern spin on the genre combining it with some subtle Rogue-like elements to provide players with a unique experience every time they play.

The arcade classic returns with the trilogy finale. Blast through 50 new levels to wipe out The Evil Snarfers for good. Use classic power-ups and the new Multi-Shot Laser Paddle to save Earth—and unlock the final ending cutscenes.

Call your friends and lead your squad through the outer space and protect your planet from asteroids and alien ships on this local shoot'em up. Shoot, evolve e explode these space enemies.

Bad Chicken is a retro styled sideway scrolling shoot-em-up inspired by the retro classics. It takes place in 8 locations in the Ferus system, each one with different challenges, and dangers.

The classic brick-breaker game is back! 35 challenging levels to complete with that classic brick breaker feel, heroic storyline, and classic power-ups. Unlock the ending cutscenes—if you’ve got the skill to make it that far.

Super Arcade Boy returns in a retro shoot ’em up with 8 levels, waves of Greenies, power-ups, and 8 big boss battles. Talk with the alien leader—then save the planet.

In the vast depths of space, lies a man with a dark past. Setting himself apart from that old life, and seeking justice against wrongdoing instead of being the cause of it, Captain Righteous uses the Freedom Fighter, his trusty space fighter to search for and combat the evil Captain Buster!

The skies are aflame and the seas will overflow with wreckage in Vlambeer’s stylish arcade shooter LUFTRAUSERS! Take to the skies in customized fighter planes to battle battleships, submarines, and rival aces for glory, honor, and high scores.

Pig Ship and the Giant Wolf is a classic Shoot'em Up with a 8btis monochrome aesthetic. Cross the 6 worlds full of enemies and defeat the Giant Wolf to save your brothers.

Hyper Bullet is a top-down action game replenished with agreeable vaporwave aesthetics, pure joy of combat and gunplay rhythm.

A classic style SHMUP in the tradition of 80's and 90's vertical scrolling shooters. Maximize your run and get to the top of the High-score Leaderboard. Can you achieve the rank of Fleet Admiral? It's a challenge. Visit our website for a free playable browser demo of the game.

Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!