Spinject

Trapped in orbit. The planet shoots. The gems are worth it.
Spinject is a fast, minimalist arcade game where your ship is locked into a circular orbit around a hostile planet. The planet's core is armed — a rotating cannon that never stops firing. Your only move is a single tap to reverse direction. That's all you get. Use it wisely.
How it works
Your ship circles the orbit ring automatically. Gems are scattered around the ring — fly through them to collect. Clear every gem and you advance to the next wave. But the cannon at the center is always rotating, always firing bullets outward toward the ring. Reverse at the right moment, slip through the gaps, grab the gems, and survive.
Every wave gets harder. The cannon spins faster. It sprouts more barrels. The bullets come denser and quicker. There is no finish line — just how long you can last and how high you can climb.
Power-ups
Four power-ups appear on the ring between waves. Fly through one to activate it instantly.

Shield — one bullet hits nothing. Breathe.
Time Warp — everything slows down. Think.
Magnet — gems pull toward you from a distance. Collect more.
Double Score — every gem is worth twice as much. Push your best.

Enemy fire patterns
Not every run feels the same. Choose how the cannon attacks:

Focused Fan — bullets aimed directly at your position. It knows where you are.
Spin Ring — a rotating ring of fire that sweeps the orbit continuously.
Quad Burst — heavy cross-shaped bursts that split the ring into danger zones.

Switch patterns from the menu and find the style that challenges you most.
Your progress, saved
Spinject remembers everything. Your best score, highest wave reached, total games played, and lifetime score are all stored on your device. Set your name, pick your fire pattern, and come back to a game that knows who you are.
Features

One-tap controls — no joystick, no complexity
Infinite wave progression with increasing difficulty
3 lives per run with post-hit invincibility window
Combo multiplier for chained gem collection
4 stackable power-ups
3 distinct enemy firing patterns
Persistent local profile and career stats
Clean, minimal space aesthetic
No ads. No internet required. No pay-to-win.

Simple to pick up. Very hard to put down.