{
  "game": "hilo",
  "displayName": "Hilo",
  "rtpPercent": 99.0,
  "rtpE8": 99000000,
  "engine": "uint32",
  "biasClass": "modulo",
  "params": [
    {
      "name": "guesses",
      "desc": "hi/lo/same per step"
    },
    {
      "name": "start_card",
      "desc": "[rank,suit] carried (opt)"
    }
  ],
  "ranks": 13,
  "aceLow": true,
  "note": "card_i = (u_i mod 13, (u_i div 13) mod 4), ace low. Guess hi/lo/same; edge cards use strict hi/lo. multiplier = rtp·13^k / ∏ win_counts."
}