Top similar games like Ghost Castle:

Heavy Bullets is a randomized FPS dungeon crawler where players make their way through a colorful maze, while protecting themselves from aggressive creatures and malfunctioning security devices. The goal lies at the end of the 8th level, where they must reset the security mainframe to restore order and reap the rewards.

Receiver was created for the 7-day FPS challenge to explore gun handling mechanics, randomized levels, and unordered storytelling. Armed only with a handgun and an audio cassette player, you must uncover the secrets of the Mindkill in a building complex infested with automated turrets and hovering shock drones.

Pick a class, choose your gun, and dive right in, Ballistic Overkill has no barrier between you and immediate run and gun action. Designed from the outset to be 'pick up and play', Ballistic Overkill is for you regardless of your level of FPS experience.

3079 is a futuristic, open-world action first-person role playing game. All areas, buildings, items, quests and characters are randomly generated. You will find unique lands & challenges. I hope you enjoy it!

Paranautical Activity combines the classic FPS action of games like Doom and Quake, with the randomness and difficulty of modern roguelikes like Binding of Isaac and Spelunky.

Sir, You Are Being Hunted: Reinvented Edition presents a savagely funny world of procedurally-generated stealth and survival. Roam wild in spooky British landscapes, all the while being hunted by a menagerie of bloodthirsty robots. A beautifully remastered new edition of the cult survival game.

BPM is a rhythm-action FPS rogue-like where you must shoot, jump and dodge to the beat of an epic rock soundtrack. Delve into a randomly generated dungeon where one missed note can lead to your death. Gain game-changing abilities and loot powerful weaponry to defeat your ancient enemy: Nidhogg.

Eternal Vortex Is A Online Multiplayer Shooter Where The Players Start Off With Basic Weapons, But To Become More Powerful You Have To Run Around The Map And Find A Better Weapon.

3089 is a futuristic, procedurally generated, open-world action role-playing game. All terrain, enemies, weapons, items, quests & more are uniquely generated. Will you obey your creator, the Overlord, or find your own path?

SUPERHOT is the smash-hit FPS where time moves only when you move. No regenerating health bars. No conveniently placed ammo drops. It's you, alone, outnumbered and outgunned. Snatch weapons from fallen enemies to shoot, slice and dodge through a truly cinematic hurricane of slow-motion bullets.

B-12 is a tough, third/first-person action-platformer with randomized levels and relentless robots with plasma cannons for hands.

Turn your daily workout into an explosive battle! Ninja Vs Bomb uses webcam body tracking to transform your movements into gameplay. Unleash shuriken strikes to survive waves of chaotic bomb creatures across 10 escalating levels of explosive action.

Pixelpunk XL is a pixelated old school first person shooter with rogue-like game mechanics set in sci-fi environment.

Ironguard is a fast-paced roguelite shooter with procedurally generated levels and a wide array of unique weapons and items

Cadleiu is a movement shooter with robust melee mechanics and character progression, featuring permadeath and procedurally generated environments.

OVERHEAT PROTOCOL is a fast-paced FPS action roguelike where you survive escalating robot waves, build absurd weapon synergies, and push your gun past its limits before the arena overwhelms you.

A tactical shooter where running out of bullets sets off a bomb strapped to your chest. Sneak through levels, take out enemies, and use the environment to your gain the advantage. Take your time and make every bullet count.

With its extensive Tour of Duty campaign, a near-limitless number of skirmish modes, updates and new content for Counter-Strike's award-winning multiplayer game play, plus over 12 bonus single player missions, Counter-Strike: Condition Zero is a tremendous offering of single and multiplayer content.

DESYNC is an intense single-player first person action game that begs you to play dangerously and creatively. Eliminate your opponents as you perform violent attack sequences using the explosive digital weaponry and lethal side-arms at your disposal.

Blockstorm is a FPS game set in a world made of destructible blocks. All maps and characters included in the game are made with the same tools that are available to the public. You can build everything in Blockstorm, and you can destroy it.

Over-the-top destruction, loads of enemies & a beautifully realized cyberpunk setting. Hard Reset is here to shake up the shooter scene. Try the demo now.

OASIS: Tokyo is an FPS with a focus on inventory management that has roguelite elements. Complete procedurally generated missions in a shady underworld.