Touch: drag anywhere to steer the wyrm toward your finger; tap to start and to dive again after a run; the sound and pause buttons are in the bottom corners · Keyboard: Arrow keys or WASD steer; the mouse also steers (the wyrm turns toward the cursor); Space or Enter starts and restarts; P or Esc pauses; M mutes
About:
A steering-and-growth arcade game in the spirit of the 2000s Flash classics, made in-house for Leetdom. You are a bioluminescent sky-serpent threading the dark stone of floating islands. Drag where you want to go on a phone, or steer with the arrow keys, WASD or the mouse on a desktop; the wyrm always swims, so play is about reading the terrain and carving clean turns rather than stop-start pecking.
Scattered through the islands are gleams: glowing mineral clusters. Eat any gleam smaller than your mouth and you grow a little, and each bite charges you with light. Gleams too big to swallow nudge you away, so the islands are a shifting puzzle of what you can and cannot take. The red crystals are hazards: they are bigger than you, they drift and slowly home in, and a bite from one shrinks you, spills your stored charge and knocks you spinning.
The twist is the deep itself. While you are buried inside the stone your integrity drains, faster the longer you have been playing, so you cannot simply hide and farm. The payoff is the breach: climb out of the stone into open sky and all the light you have stored cashes into score at once, healed back and multiplied by your combo chain if you keep breaching in rhythm. Grow enough and you evolve through five tiers, from Hatchling to the final form, each adding a movement trait: a tighter turn, a wider mouth, faster recovery, more speed, and a breach shield that shrugs off one hazard hit. A run lasts a minute or two and ends when the deep finally takes you; your best score is saved on your device. All of the art and sound is drawn and synthesised in code, with no image or audio files.
Credits:
Made by Leetdom, 2026. Written for Leetdom, and it lives here.
Phone check: 2026-10-03: independently QA'd with real CDP touch on a portrait (390x844) and landscape (844x390) phone, and mouse plus keyboard on a 1280x800 desktop: boots to title, tap/Space starts, touch and arrow keys both steer the wyrm, play advances, the run reaches game over, one tap/Space restarts, and the game pauses when the tab is hidden. Zero console errors, no page errors, no outside network requests, and it still starts with localStorage blocked. Survives a live portrait resize. A deterministic scripted player (eat-nearest plus climb-to-breach) over many seeds survived 19 to 97 seconds (median about 51), scored 32 to 1616 (median about 209) and reached up to tier 4, so the difficulty curve bites without being hopeless. Audio was rendered offline through the game's own synth: full-mix peak -4.1 dBFS, music sits 10.6 dB under the SFX in RMS, the noise floor is silent between sounds, there is no harsh content above 6 kHz and nothing drones.
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