Top similar games like Prologue for a Vacant Kingdom:

Spaceship Looter is an action roguelike game, where mercenaries of all stripes rob drifting schooner, lost transtport ships and abandoned military cruisers - all what is filled with tons of valuable loot and hidden in the deep space.

Divine Legacy is a dark story/character-driven action RPG with hints of humor, friendship, and bonds. Fight your way through hordes of demons, and move one step closer towards the truth!

A retro arcade style Top down shooting game. Shooting them with a machine gun, blasting them with missiles, dashing them with a vehicle, whipping them with an energy chain, or burning them with a napalm...No matter how you get it done, “ALIEN BUGS MUST DIE!”

Remedy, a recent graduate from the Saturnian healing school, must descend to Hurtland and use her powers to heal everyone from stray ducks to dark lords, and finally cure the ailing Prince Hingst. It's a short, whimsical adventure with plenty of heart(s).

Peace Data — hard "Roguelike" game, in which you have to play for Bitard, saving Rusland from the tyranny of the authorities that destroyed the opposition and led the country to ruin, making slaves of citizens.

Rush Rover is a 2D top-down shooter game. Compared to other similar games of the genre, the shooting experience is closer to traditional shoot'em up games. It includes random map generation, unique weapons, lots of different enemies, exciting boss battles and a dynamic chiptune soundtrack.

Fight fierce hostile alien space ships to neutralize their defenses before you board their ships and battle intense on-foot encounters. Eliminate their forces and steal their technology to upgrade your squad with different abilities and save the galaxy!

A trip to hell. Hordes of demons. Big guns. Insane combat encounters. Pixel art mustaches. It's going to be a long day for Officer John Mustache.

Prepare for bullet hell action and crazy driving! Your town is on fire, anarchy reigns the streets, aliens rampage in the sky! Grab your gun and join the fun!

Cutie anime girl realizes her cool big bro is missing?? Cheese it up with Chizuru and SHOOT TO THE BEAT OF THE SONG in this top down bullet hell shooter! Absorb enemy bullets using your waveshines to utilize their bullets as your own! Show those cheeseheads that you're better!

ROAD DOOM is an arcade bullet-hell with a cheesy story. On a quest to defeat the four horsemen, blast your way through evil beings with skills of immense power. Unleash your wrath!

Woodpunk is an exhilarating roguelike bullet hell retro pixel art shooter in a medieval Woodpunk universe, where the primary energy resource is WOOD.

Ether Loop is a hardcore fast-paced bullet hell with roguelike elements. Descend the unforgiving depths of a mysterious world, encounter challenges, discover dynamic environments and fight ruthless creatures while unveiling the secrets of Ether Loop.

Frantic Dimension is a retro twin-stick shooter inspired by the earliest twin-sticks, 'Space Dungeon' and 'Robotron 2084'. Never stop moving and shooting... or you'll die.

Take up your weapon in this RPG bullet-hell world and embark on a journey to right wrongs from long ago. Only you can defeat the evil forces of the Undying guardians and reunite the world with the fabled Archvale.

Gangs of Space is a massively-multiplayer Rogue Shmup where Gangs of players compete for the conquest of the galaxy.

Clean, Quota, Upgrade, Repeat. Super Polished is a Top-down cleaning roguelite where you clean up while the mess is still being made.

Planetary Dustoff is a space-themed roguelite shooter. Go on a death riddled journey to sprawling alien environments and fight your way through hordes of enemies and epic boss battles. Take part in the revived Planetary Survey Program and help the Space Faction find a new home for humanity.

A hololive fangame featuring Inugami Korone of hololive GAMERS! Collect as many Korone Boxes as possible while contending with an endless onslaught of enemies and bosses using whatever weapons you happen to pick up!

Free-to-play online RPG meets relentless bullet hell. Blast, cast, and dodge as you chase rare loot, evolve your class, and bend the rules with game-breaking runes and pets. Squad up with players worldwide while delving into unforgiving dungeons and building your character, one drop at a time.

SUPER FLAIL is a fast-paced arcade score attack game of flail-swinging rampage. Swing your flail to destroy everything until you die. Compare your score with other players and get on the top of the leaderboards.

Star Waker allows you to command customizable spaceships with the mission to show your agility in order to save mankind.

Gun Knight All Day is a close quarters bullet hell dungeon crawler about a knight who uses guns. Shoot, dodge, and scavenge your way through the procedurally generated dungeons one room at a time. Challenging boss fights test the sharpness of your skills and the lethality of your weapons.

Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.

Frenetic arcade style twin-stick shooter. Fight your way through hordes of enemies alone or with a friend!

The cutest, deadliest top-down roguelike shooter featuring AK-wielding Axolotls. Blast your way through the animal kingdom with an arsenal of kick-ass guns, mighty power-ups and even raise an army of trigger-happy baby axolotls. 🔫🔫 Double the firepower! Local co-op update now live!

The creators of Crossy Road present Shooty Skies! Shoot, dodge, duck, goose and weave. Take to the skies!

The original 8-bit twin-stick space shooter about brotherly love, available to play for free.

Shapes & Shots is a Roguelite Shooter Bullet-hell, where you can control time as you make your way through a twisted and delusional universe. Your enemies will merge, creating infinite combinations to try to overwhelm you: only your skills, combined with upgrades you choose, can lead you to victory.

<Compleat> is a single player fast pace spaceship roguelike. Player controls a variety of rogue Ai ships ranging from destroyers to battleships, collecting resources and scavenging enemies. After upgrading tech and modifying modules all the data collected is uploaded to achieve the compleation.