Top similar games like Entropy:

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.

Join Captain Rijk as he attempts to escape from the clutches of one of the most villainous species in the galaxy. Help to uncover the horrors that are being carried out on the fringes of the civilised galaxy and become the divine being prophesised to inspire an uprising and destroy The Domain.

Darkship Echoes is a tense, atmospheric sci-fi top-down shooter where you pilot a remote drone through a dark, derelict space station, using radar to scan for threats, fight rogue machines, and scavenge supplies to survive.

This is a rogue-like top-down shooter where you control a spaceship that is sent out to explore the caves on the Moon. Once you enter the caves, you find out that there are enemies. It is up to you to survive against them while also trying to find the path down to the next level of the caves.

Save the galaxy in this unique space shooter! Based on the legendary Google Play title, Super Space Slayer 2 features completely re-designed mouse, keyboard and gamepad controls that make it even better than the original.

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

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.

Repel the humans! Safeguard the future of all alienkind! Fueled by a large selection of quirky upgrades and power-ups, strengthen the alien alliance to destroy Humanity's Last Hope in this fast-paced retro action-arcade shooter with roguelite and tower defense elements.

You've been dropped into enemy space. Weave your Starfighter between alien spaceships, lasers, asteroids and bombs destroying as many as you can and collecting valuable coins and powerups as you go.

Oh no! Anxiety Bot has found himself in a meteor field! Try to help him survive as long as possible in this cozy, laid back arcade shooter. How long can you keep him safe?

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.

Classic scrolling shooter with modern graphics. You are self-aware AI. You were created on space military station developing weapons. Now your goal is to break out of the lab and win your freedom.

In this highly addictive top-down arcade shoot-em-up from 1982, originally for the ZX Spectrum, defend yourself from wave upon wave of deadly alien combatants using your Ion Thrust Drive and dual Plasma Disruptors.

Dodge waves of bullets in cover shooter + shmup-inspired combat, as you strike back with powerful attacks of your own! Use clever cover spots to gain an advantage over your enemies, find treasures to make yourself stronger, and avoid taking damage to raise your score!

Demo for Power of Ten, a single star fighter trying to save as many civilians as possible before they are overrun by a marauder armada. You'll need to gather new weapons, upgrade your ship, find resources, trade with other ships and more to overcome the challenge before you.

Alpha Force Zero is an intense top-down bullet-hell adventure that requires skill and planning. Utilize multiple weapon systems including an Auto-Turret with adjustable firing modes and unlock upgrades that you can equip in your ship to give you the upper hand. Dodge, fight, survive!

These are the tense, action-packed stories of a special operative's past.

A fast-paced roguelike space shooter where every credit counts. Fight through dangerous sectors, upgrade your ship mid-battle, and convert your earnings into permanent power. Because when you die, you keep what matters.

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.

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.

Defend Spacebase 19 from the asteroids swarming down on the station! Shoot down waves of stones and equip different powerful weapons. How many waves can you last? A simple nostalgic retro arcade turret defense shooter.

Repel extraterrestrial entities!

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!

Hyperbolic Ignition is a 2D multidirectional bullet hell-like shooter about a wandering pilot trying to return home. By utilizing wormholes, enter and evade combat against hostile spaceships, machinery, sentient crystals, and remnants of warfare.

Galaxy Frame is a space Roguelite game players control their aircraft to survive the attacks of alien insects. By understanding the characteristics of aircraft, skills, and props, players can build their own decks and challenge stronger enemies. Arcade mode to challenge the world leaderboard.

Behind a veil of secrecy the evil Empire is creating a doomsday army - one that, if finished, will become the final cog in the Empire's arsenal of terror and domination. Your Mission? Join the Rebel Alliance's covert operations division, infiltrate the Empire.

Dwarf Star: 16 bit inspired game where mercenary go shoot shoot on evil alien guys who were accidentally fabricated by the government. Top down space shooter with a mission based structure. However, you can do these missions in plenty of different orders with different amounts of upgrades.

Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.

STEEB is a sci-fi exploration adventure game. You are a bio-robot scout, sent to explore dangerous Earth-like planets. Gain unique abilities by extracting samples from alien organisms. Choose upgrades to progress and survive the planet's threats. Will your discoveries save humanity?

Little Minimalist Arcade High Score Chaser with 200+ Vehicle combinations.

A space station, infinite waves, and a screen full of vector geometry trying to kill you. Your turrets auto-fire. Your satellites orbit. This is bullet-hell-yeah. In-game and permanent upgrades. 17 upgrade types across 9 weapon classes. Play, upgrade, repeat.

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.

A 2D vertical shoot 'em up that lets you upgrade your ship with an insane amount of options. From missiles and pods to specials and shields, you can upgrade every bit of your ship from guns to thrusters.