Single-player games like Space Gray X
Below are 16 single-player Steam games similar to Space Gray X, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Space Gray X page.
Ranked picks
- 1
Blastocitos
Single-player alternative to Space Gray X — playable solo, no multiplayer required.
To start the game, select a level from the suggested ones. Start your journey and defeat the boss to go further.
- 2
Myasoid
Single-player alternative to Space Gray X — playable solo, no multiplayer required. Shares Casual with Space Gray X.
Myasoid - This is an arena shooter about a huge worm that protects this planet from the invasion of dangerous alien ships.
- 3
Strike VR
Single-player alternative to Space Gray X — playable solo, no multiplayer required.
A fast action arcade game revamped into Virtual Reality. Shoot with your weapon, dodge bullets with your body, deflect bullets with your swords, and launch missiles and ultimate skills!
- 4
Wrong Bullet
Single-player alternative to Space Gray X — playable solo, no multiplayer required.
Wrong Bullet is a captivating chill shooter that unveils an ever-changing world with random weapons scattered everywhere, accompanying your bloody campaign against enemy heads. Collect golden shards from them to unlock characters, discovering even more facets of gameplay.
- 5
Galaxy Arena
Single-player alternative to Space Gray X — playable solo, no multiplayer required.
Immerse yourself in a virtual reality world with Captain Gordon and battle alien invaders
- 6
NOT ENOUGH SPACE
Single-player alternative to Space Gray X — playable solo, no multiplayer required.
Shoot to move. Move to survive. A space action roguelike about momentum, chaotic battles, loot, builds, and bosses.
- 7
Void Swarm
Single-player alternative to Space Gray X — playable solo, no multiplayer required.
Fight through endless enemy swarms in this fast-paced arcade space shooter with survivor-style progression. Upgrade your ship, unlock powerful fighters, and grow stronger with every run.
- 8
UFO vs Bikini
Single-player alternative to Space Gray X — playable solo, no multiplayer required. Shares Casual with Space Gray X.
Act as an alien driving a UFO and collect materials to upgrade the spacecraft. Kidnap bikini girls, extract purple energy, and study the function of purple energy. Avoid human attacks, strengthen the defense of spacecraft and alien technology.
- 9
Pitty Meaty
Single-player alternative to Space Gray X — playable solo, no multiplayer required.
Pitty Meaty is a horrifying creepypasta survival horror game where you must survive in a dangerous territory under the constant threat of a menacing, swollen corpse head.
- 10
Backrooms Cats and Lava
Single-player alternative to Space Gray X — playable solo, no multiplayer required. Shares Casual with Space Gray X.
Backrooms Cats and Lava is an action-platformer with puzzle elements. Help a small cave dweller escape rising lava by moving boxes to create safe paths. Remember, the floor is lava—don't step on it!
- 11
Apocalyptic cat
Single-player alternative to Space Gray X — playable solo, no multiplayer required. Shares Casual with Space Gray X.
Apocalyptic Cat is an atmospheric hardcore platformer about a little black cat's journey in a post-apocalyptic world. Overcome toxic clouds, spikes, and obstacles, striving to fulfill his last dream of reaching paradise.
- 12
Digital Meow
Single-player alternative to Space Gray X — playable solo, no multiplayer required. Shares Casual with Space Gray X.
Digital Meow is a vaporwave platformer where a little cat journeys through a digital world to find a new home. Overcome lasers, spikes, and cannons in this nostalgic and challenging adventure!
- 13
Dungeon Digger
Single-player alternative to Space Gray X — playable solo, no multiplayer required.
Dungeon Digger is a roguelike game about a brave dwarf seeking legendary treasures. Descend deep underground, mine valuable minerals, craft upgraded gear, and battle spiders, golems, worms, and ghosts to become a cave hero!
- 14
LEVEL UP 80
Single-player alternative to Space Gray X — playable solo, no multiplayer required.
LEVEL UP 80 is an action game with magic and shooter mechanics, where a lone knight must level up from 1 to 80 to defeat a massive orc army. Utilize various spells and weapons to protect peaceful lands from invaders.
- 15
Cyber Assasin
Single-player alternative to Space Gray X — playable solo, no multiplayer required.
Cyber Assassin is a fast-paced arena shooter where you control a robot annihilating waves of enemies. Survive, upgrade your character after each wave, and become more powerful to dominate the arena!
- 16
Rap Pop Jump Core
Single-player alternative to Space Gray X — playable solo, no multiplayer required. Shares Casual with Space Gray X.
Rap Pop Jump Core is a hardcore action platformer demanding constant movement, quick decisions, and combat. Navigate a vibrant city by leaping between platforms. One mistake, and you fall to your fate. Escape swiftly!