@@ -87,8 +87,34 @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
+class Hige
+{
+	public immutable int pace;
+	mixin DeriveCreate;
+	mixin DeriveCompare;
+	mixin DeriveShow;
+	Hige clone() const { return cast(Hige)this; }
+
+	static load(string[string] params)
+	{
+		return new Hige(params.get("Growth", "25").to!int());
+	}
+
+	bool is_growing_turn(int turn) const
+	{
+		return pace ? turn%pace == pace-1 : false;
+	}
+
+	int until_rise(int turn) const
+	{
+		return pace ? pace-turn%pace : int.max;
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
 class Map
 {
 	mixin DeriveShow;
 
@@ -104,8 +130,10 @@
 	int waterproof;
 	// TODO: immutable
 	Pos[char] tr_target;
 	Pos[][char] tr_source;
+	const(Hige) hige;
+	int razor;
 
 	Map clone() const { return new Map(this); }
 	this(in Map m) {
 		foreach(s; m.data)
@@ -114,8 +142,10 @@
 		this.lift = m.lift.clone();
 		this.waterproof = m.waterproof;
 		this.tr_target = cast(Pos[char])m.tr_target;
 		this.tr_source = cast(Pos[][char])m.tr_source;
+		this.hige = m.hige.clone();
+		this.razor = m.razor;
 	}
 
 	this(string[] raw_data, string[string] params, char[char] trampo)
 	{
@@ -149,8 +179,11 @@
 			tr_target[fr] = tr_pos[to];
 			if(to !in tr_source) tr_source[to] = [];
 			tr_source[to] ~= tr_pos[fr];
 		}
+
+		this.hige = Hige.load(params);
+		this.razor = params.get("Razors", "0").to!int();
 	}
 
 	const @property {
 		int H() { return data.length; }
@@ -388,14 +421,10 @@
 	@property const {
 		long score() { return lambda*25L*(1+exit_bonus) - turn; }
 		int water_level() { return water.level(turn); }
 		int water_until_rise() { return water.until_rise(turn); }
+		int hige_until_rise() { return map.hige.until_rise(turn); }
 		bool cleared() { return exit_bonus>0; }
 		int hp() { return map.waterproof - under_water; }
 		long score_if_abort_now() { return lambda*25*(1+max(1,exit_bonus)) - turn; }
 	}
 }
-
-unittest
-{
-	Game.load(["###","...","#RL"], ["xxx":"yyy"]);
-}