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Best free space games

Rockets, starfighters, landers and whole galaxies: space games you can play free in a browser, from arcade shooters to explorers built on real astronomical data.

47 games · ranked by players' votes, then plays · updated September 2026

  1. 1

    Mars Rally Championship

    by @dontgetrekt

    Race a rally car across low-gravity dunes and basins on Mars.

    3dracing
    +1 3 players
  2. 2

    How Big Is It?

    by u/who_ate_my_motorbike

    Is Mars bigger than the Atlantic Ocean? Guess which is bigger across countries, oceans, moons, and planets.

    educationalpuzzle
    0 4 players
  3. 3

    We Have a Black Hole at Home

    You look around a physically accurate simulated black hole and watch how it bends light around it.

    3dtoyeducational
    0 4 players
  4. 4

    Laser Drift

    by Christian Ortiz

    Pilot a low-poly spaceship over an endless neon synthwave grid, firing laser volleys at whatever comes at you.

    3dshooterarcade
    0 4 players
  5. 5

    COREWARD

    by @SANSOFT

    Every star is where it really is. Fly to Mars, to Proxima Centauri, to the black hole at the centre of the galaxy — at true distances, with the light-speed limit and an FTL drive for when it is not enough.

    0 3 players
  6. 6

    Farseer

    by headsupernova

    Fly without a break from Earth's surface out to the deep field in a 3D universe explorer based on real measurements.

    3dsandboxtoy
    0 3 players
  7. 7

    Kittens Game

    by bloodrizer

    Run a village of kittens from catnip farming to space travel.

    idlestrategy
    0 2 players
  8. 8

    Star Hop: Endless Galaxy

    by u/jaboos91

    A one-tap space arcade: orbit a planet, tap to jump to the next, and collect 100 cards and ships.

    arcade
    0 2 players
  9. 9

    Orbital Defense Idle

    by u/orbitaldefenseidle

    Build orbital defenses, repel alien invasions, and expand your galactic empire — even while you sleep. Coming to Steam April 2027.

    idlestrategy
    0 2 players
  10. 10

    RED FIVE

    by u/aurebeshFiles

    One X-Wing, one tap, and a trench that never ends. Dodge the towers, survive the turrets, duel Vader. Free, no sign-up, phone or desktop.

    arcade
    0 2 players
  11. 11

    Messenger

    by u/gancho

    It's a small planet, but someone's gotta make the deliveries.

    3d
    0 2 players
  12. 12

    Asteroid Lander

    Burn. Drift. Land. Repeat. A free physics lander game you play in the browser. No download, keyboard or touch.

    racing
    0 2 players
  13. 13

    Nova Lancer

    by tanuu5 · built with Claude Opus 5.5

    Fly a starfighter in a rail shooter over a sunset sea, a red canyon and a neon fortress city, locking on to targets and finishing with a fight against a mechanical sea dragon.

    3dshootertoy
    0 2 players
  14. 14

    ASTEROIDS - Deepfield

    by DantesClown · built with GPT-6 Astra

    Fly a spaceship from a first-person cockpit with four camera views, radar and twin cannons, blasting asteroids with inertial flight.

    3dtoyarcade
    0 2 players
  15. 15

    Cosmos Journeyer

    by Barth Paleologue (CrashMaster)

    Fly a spaceship through an endless procedurally generated universe, land on planets, walk around them, and dock at space stations with no loading screens.

    3dracingtoy
    0 2 players
  16. 16

    Orbital Survival

    Roll around a tiny planet shooting waves of UFOs while making sure your own shots don't circle the globe and hit you.

    3dshooter
    0 2 players
  17. 17

    Lander

    by Edwin Morris

    Fire thrusters to set a lunar lander down gently on the surface without crashing or running out of fuel.

    sports
    0 1 player
  18. 18

    Three-Body Gravity Simulator

    by jgchaos

    Set up masses and starting velocities, then watch three or more bodies orbit each other chaotically in 3D.

    3dtoyeducational
    0 1 player
  19. 19

    Orbital Foundry

    by 9950x3d

    You build a rocket from parts, fly it into orbit, plan maneuvers, dock and travel between planets in a 3D solar system.

    3dsandboxtoy
    0 1 player
  20. 20

    Galaxium

    by guillaumec

    Fly a camera from Earth out to planets, stars, nebulae and distant galaxies in a 3D WebGPU universe.

    3dtoyeducational
    0 0 players
  21. 21

    Frontier

    by Filip Zrnzevic

    Shoot down descending waves of enemies in a 3D take on Space Invaders while the creator's own music plays from a jukebox.

    3dshooter
    0 0 players
  22. 22

    INWARD

    by u/chinmay29hub · built with GPT-6 Astra (Codex)

    You travel through six nested 3D worlds, like an ocean inside a marble and a universe inside a lantern, to bring a little sun home.

    3dnarrative
    0 0 players
  23. 23

    Gravity

    by qunabu

    You follow a guided tour of why orbits happen, then fling planets around a solar-system simulator that goes from Newton to Einstein.

    sandboxeducational
    0 0 players
  24. 24

    Silent Space Marine (Doom)

    by Cloudflare

    You play shareware Doom, on your own or in multiplayer deathmatch with other people online.

    shooterretro
    0 0 players
  25. 25

    Space Huggers

    by Frank Force

    You run, jump and shoot through destructible alien levels, clearing out every enemy to move on.

    platformershooter
    0 0 players
  26. 26

    Synthmaze

    by heliante

    You swap tiles in a synthwave maze so the rocket can fly from the start to the exit.

    dailypuzzle
    0 0 players
  27. 27

    ClaudeSpace

    built with Claude

    You fly a small ship around an open star field, shooting asteroids and enemy ships and using shields and shockwaves to survive.

    shooterarcade
    0 0 players
  28. 28

    Mars Landing Simulator

    You fly a rocket between bases on Mars, managing fuel, tilt and wind so you touch down gently.

    3dsandbox
    0 0 players
  29. 29

    Oyster Arcade

    built with Claude Code

    You pick from a CRT-style arcade cabinet of small games, like a rocket star collector and an Invaders clone, and chase shared high scores.

    arcaderetro
    0 0 players
  30. 30

    Dyson Defender

    built with Cursor, Claude, Grok

    You fly around a Dyson sphere in 3D and shoot down waves of alien ships before they reach it.

    shooter3d
    0 0 players
  31. 31

    Graviton

    by @sivaguru_shiva · built with bolt and cursor and claude

    You orbit a star, slingshot through gravity wells and fire curving photon beams at waves of enemy ships.

    shooterstrategy
    0 0 players
  32. 32

    Earth Command

    by @krynsky · built with Claude Code

    You defend a spinning Earth from incoming missiles and asteroids by firing from silos in every direction, Missile Command-style.

    arcaderetro
    0 0 players
  33. 33

    Space Aquarium Idle

    by @idleNode

    You look after a fish tank on a spaceship, growing fish, breeding colorful offspring and unlocking upgrades.

    idle
    0 0 players
  34. 34

    Land the Booster V2

    by @s13k_

    You fire the thrusters of a falling rocket booster to land it upright on a small pad without crashing.

    arcade
    0 0 players
  35. 35

    Floktoid

    by franze · built with Claude

    You launch asteroids into flocks of evil spaceships to stop them stealing the energy dots at the bottom of the screen.

    arcadeshooter
    0 0 players
  36. 36

    IdleSpace

    by scorzy

    You build drones and districts to mine metal and crystal and grow a space colony.

    idle
    0 0 players
  37. 37

    Andromeda Invaders

    by Susam Pal

    You slide a cannon along the bottom of the screen and shoot down waves of alien ships in an early-80s-style arcade game.

    shooterretro
    0 0 players
  38. 38

    Black Hole Square

    by Quinten Clause

    You swipe tiles around a grid to push them into black holes and clear each level.

    puzzle
    0 0 players
  39. 39

    Survivor

    by Scott Schiller

    You fly a ship around a scrolling space map, blasting fortresses in a remake of a 1982 Commodore 64 shooter.

    shooterretro
    0 0 players
  40. 40

    Planetfall

    by chiaogu

    You land on a series of planets, find the satellite station on each and take it offline.

    arcade
    0 0 players
  41. 41

    Weird Gravity Space Game

    by olithissen

    You use thrust to orbit and slingshot between planets for as long as your fuel lasts.

    arcade
    0 0 players
  42. 42

    Radius Raid

    by Jack Rugile

    You aim and fire in all directions to defend against waves of enemies closing in from space.

    shooterarcade
    0 0 players
  43. 43

    Squadron X

    by @daniel-farinax · built with Claude Code

    You fly an X-wing-style fighter through a 15-mission space dogfight campaign with voiced briefings.

    shooter3d
    0 0 players
  44. 44

    The Far Colony

    by @MoeMagicLantern · built with Codex

    You grow an alien organism across the lunar dust, spreading organs while human machines try to burn it out.

    strategyweird
    0 0 players
  45. 45

    DECKRUNNER

    by @paledustgames · built with Claude Code

    You fight deck by deck through a derelict space station in a first-person roguelike, grabbing weapons and perks on the way to the escape pod.

    shooter3d
    0 0 players
  46. 46

    Slingshot: Escape the Solar System

    by @romainsimon · built with Claude Code

    You time engine burns to slingshot a probe around planets and fling it out of the solar system.

    puzzleeducational
    0 0 players
  47. 47

    Evolve

    by pmotschmann

    Start as a single-celled organism and evolve into a species that builds a civilisation, industrialises and reaches for space, then reset and do it again stronger.

    idlestrategy
    0 0 players

Every game here is free and runs in your browser with nothing to install. The order comes from players on Joystumble: thumbs up and down (weighted so a few votes don't outrank many), then how many people played. Made one that belongs here? Submit it.

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