Mercury arcade
Browser games for a little cosmic escape
Play a space shooter, build a kingdom, or remember a sequence of planets. These browser arcade games share one account and score system, with practice when you want to try a game first.
Choose a browser game
Endless Invaders
One ship. An endless sky. How long can you hold the line?
An endless pixel space shooter with escalating waves. Try practice or sign in for ranked flights.
Play Endless Invaders
Astral Crown
Build a cosmic kingdom. Hold the night. Carry your crown to dawn.
A kingdom building and survival game across day and night. Sign in for a saved colony, or explore in practice.
Play Astral Crown
Planet Resonance Game
Watch the planets, repeat their cosmic tones, and master twelve growing patterns.
A planet memory game with twelve growing sequences of cosmic tones. Watch, listen, then repeat the pattern.
Play Planet Resonance GamePractice, ranked runs, and your overall score
Practice lets you learn without adding account points. Sign in for ranked play or a saved Astral Crown campaign. Each accepted result contributes verified points to its game and your overall total. Ten accepted points in one game and twelve in another become twenty-two overall.
A best-run board shows a standout attempt; a lifetime board shows the points accumulated across accepted runs. The arcade lets you choose which to compare. These are game scores with no cash, token, or prize conversion promised.
Open the arcade and shared leaderboardsBrowser game questions
Can I play these browser games without downloading anything?
Yes. Endless Invaders, Astral Crown, and Planet Resonance run in your browser. Open a game and choose practice to try it without saving ranked progress. Sign in when you want verified scores or a saved Astral Crown campaign. Browser performance and controls depend on your device.
Are practice scores saved to the leaderboard?
Practice is separate from ranked play and does not add points to your account. When a signed-in ranked run is accepted and saved, its verified points contribute to that game and your overall arcade total. Best-run scores and lifetime totals answer different questions; choose the board you want to compare.
Which game should I start with?
Choose Endless Invaders for quick space-shooter survival, Astral Crown for a kingdom you build across day and night, or Planet Resonance for remembering growing sequences of planets and tones. They share the Mercury account and score system, while keeping their own controls, rules, and pace. Practice is a useful first step.