Touch: Swipe across the screen to slice. Swipe through a gem on the menu to pick a mode. Tap the pause button to pause. · Keyboard: Mouse: hold the button and drag to slice. Keys: 1/2/3 or Enter pick a mode, Enter or R retries, P or Esc pauses, T opens trails, M mutes.
About:
Rubies, emeralds, sapphires and six other cuts come tumbling up out of a night-time crystal cavern. Swipe through them and they split cleanly in two, spraying shards and leaving a glow hanging in the air. Cut three or more in a single stroke for a chain bonus. The spiked black voidstones are the one thing you must not touch.
Three modes. Classic is three dropped gems and you're out, a voidstone ends the run on the spot, and the waves keep getting faster and busier. Every 100 points gives you back a lost life. Arcade gives you sixty seconds with voidstones costing 10 points and three boosts to catch: Frostglass slows time, Starfall pours gems in from both sides, and Twinlight doubles your points. Drift is ninety calm seconds with no voidstones at all. Geodes turn up now and then; they hang in the air while you hack at them and split open for a bonus. Six swipe trails unlock as you play.
An in-house Leetdom game, written in 2026 in the spirit of the 2000s Flash classics. Every gem is drawn in code and every sound is synthesised.
Credits:
Made by Leetdom, 2026. Written for Leetdom, and it lives here.
Phone check: 2026-09-30: playtested on a simulated phone (390x844) with real CDP touch: a swipe through the Classic gem started the run, swipes sliced gems, three misses hit game over and a tap on Retry restarted. Arcade played to Starfall, Twinlight, voidstone penalties, a geode and multi-gem chains; pause button and resume checked; landscape (844x390) played to a voidstone game over with localStorage blocked; desktop mouse drag checked; no console errors, no network requests.
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Play next:
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