ADDED   maps/beard1.map
Index: maps/beard1.map
==================================================================
--- maps/beard1.map
+++ maps/beard1.map
@@ -0,0 +1,13 @@
+##########
+#**  \\\\#
+#.R..    #
+# \  ..*\#
+#!   ..*!#
+####   # #
+#\\... # L
+#\\.W... #
+#\\.     #
+##########
+
+Growth 15
+Razors 0

ADDED   maps/beard2.map
Index: maps/beard2.map
==================================================================
--- maps/beard2.map
+++ maps/beard2.map
@@ -0,0 +1,19 @@
+##############################
+#R...........................#
+#.........................W..#
+#..\\\\\\\\\\\\\\\\\\\\\\\\..#
+#............................#
+#..*****.*\...*...*...*****..#
+#..*\....*\....*\*..*.\\*\\..#
+#..*\....****..!*!......*....#
+#..*\....*\....*\*..*...*....#
+#..*\....*\...*...*.....*....#
+#............................#
+#..\\\\\\\\\\\\\\\\\\\\\\\\..#
+#................ ..... .....#
+#................      W....L#
+##############################
+
+Growth 25
+Razors 10
+Flooding 20

ADDED   maps/beard3.map
Index: maps/beard3.map
==================================================================
--- maps/beard3.map
+++ maps/beard3.map
@@ -0,0 +1,16 @@
+        ################
+        #*****#!!  1   #
+        #..\..#        #
+#########\\\\ # .\\\.  #
+#.............# *      #
+#.. .\\\#..!..#\**     #
+#.. LW\\#W  ..##### ####
+#..R\\\\#.. ..*\*\*W...#
+#.......A.. ...\.\...\\#
+#..........     **     #
+############....\.######
+           #.....!#
+           ########
+
+Growth 10
+Trampoline A targets 1

ADDED   maps/beard4.map
Index: maps/beard4.map
==================================================================
--- maps/beard4.map
+++ maps/beard4.map
@@ -0,0 +1,16 @@
+####################
+#W\\!#\\\**.\#W\\\W#
+##*######..###..\\\#
+#.......\.R ###...\#
+#####.###.#.......##
+#.......#.#\####.###
+#\\##\###\#\\#...#.L
+#\##\.###.####.#.#.#
+#\W#####.....###.W.#
+####\\...\\\...#.#.#
+#W*######.######.#.#
+#\\\\\\\\\.........#
+############\###\###
+#\\.. *..........\\#
+#W... #.........##W#
+####################

Index: src/game.d
==================================================================
--- src/game.d
+++ src/game.d
@@ -86,10 +86,36 @@
 	assert( 1 == w.level(5) );
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
+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;
 
 	static Map load(string[] raw_data, string[string] params, char[char] trampo)
@@ -103,10 +129,12 @@
 	Pos lift;
 	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)
 			this.data ~= s.dup;
@@ -113,10 +141,12 @@
 		this.robot = m.robot.clone();
 		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)
 	{
 		int width = 0;
@@ -148,10 +178,13 @@
 		foreach(fr,to; trampo) {
 			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; }
 		int W() { return data[0].length; }
@@ -387,15 +420,11 @@
 
 	@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"]);
-}

Index: src/gui.d
==================================================================
--- src/gui.d
+++ src/gui.d
@@ -66,11 +66,13 @@
 		this.colors['R'] = Color(128,128,0);
 		this.colors['d'] = Color(255,0,0);
 		this.colors['\\'] =
 		this.colors['L'] =
 		this.colors['O'] = Color(127,255,127);
-		this.colors['W'] = Color(204,229,255);
+		this.colors['w'] = Color(204,229,255);
+		this.colors['W'] =
+		this.colors['!'] = Color(159,159,159);
 		foreach(char c; 'A'..'J') this.colors[c] = Color(142,142,255);
 		foreach(char c; '1'..':') this.colors[c] = Color(255,142,255);
 		this.render['#'] = "■";
 		this.render['*'] = "✹";
 		this.render['.'] = "♒";
@@ -77,13 +79,15 @@
 		this.render['\\'] = "λ";
 		this.render['R'] = "☃";
 		this.render['d'] = "☠";
 		this.render['L'] = "☒";
 		this.render['O'] = "☐";
+		this.render['W'] = "ꔣ";
+		this.render['!'] = "✄";
 		foreach(c,tp; g.map.tr_target) {
 			char d = g.map[tp];
-			this.render[c] = [cast(dchar)('☢'+d-'1')].to!string();/*㋀㏠*/
+			this.render[c] = [cast(dchar)('☢'+d-'1')].to!string();
 		}
 		foreach(char c; '1'..':') this.render[c] = [cast(dchar)('☢'+c-'1')].to!string();
 		this.paint ~= (Control c, PaintEventArgs ev) {
 			graphicContext.copyTo(ev.graphics, Rect(0,0,this.clientSize.width,this.clientSize.height));
 		};
@@ -97,11 +101,11 @@
 		// Fill bg.
 		graphicContext.fillRectangle(this.backColor, Rect(0,0,scrW,scrH));
 
 		// Fill water.
 		int w = g.water_level();
-		graphicContext.fillRectangle(this.colors['W'], Rect(0, scrH-cell*w-1, scrW, cell*w+1));
+		graphicContext.fillRectangle(this.colors['w'], Rect(0, scrH-cell*w-1, scrW, cell*w+1));
 
 		// Paint map.
 		for(int y=1; y<=g.map.H; ++y)
 		for(int x=1; x<=g.map.W; ++x) {
 			Rect r = Rect(cell*(x-1), scrH-cell*y, cell, cell);
@@ -112,11 +116,16 @@
 				graphicContext.drawText(this.render[c], font, this.colors[c], r);
 			}
 		}
 
 		// Update textual info.
-		this.text = .text("Score: ", g.score, " Air: ", g.hp, " Tide: ", g.water_until_rise);
+		this.text = .text(
+			"Score: ", g.score,
+			" Air: ", g.hp,
+			" Tide: ", g.water_until_rise,
+			" Wadler: ", g.hige_until_rise,
+			" Razor: ", g.map.razor);
 		invalidate();
 	}
 
 private:
 	void setup_keyhandling()

Index: src/util.d
==================================================================
--- src/util.d
+++ src/util.d
@@ -21,21 +21,21 @@
 }
 
 template DeriveCompare()
 {
 override:
-	bool opEquals(Object rhs)
+	bool opEquals(Object rhs) const
 	{
 		return tuple(this.tupleof) == tuple((cast(typeof(this))rhs).tupleof);
 	}
 
-	int opCmp(Object rhs)
+	int opCmp(Object rhs) const
 	{
 		return tuple(this.tupleof).opCmp(tuple((cast(typeof(this))rhs).tupleof));
 	}
 
-	hash_t toHash()
+	hash_t toHash() const
 	{
 		hash_t v = 0;
 		foreach(mem; this.tupleof) {
 			v *= 11;
 			static if(__traits(compiles, v^=mem))
@@ -48,15 +48,15 @@
 }
 
 template DeriveShow()
 {
 override:
-	string toString()
+	string toString() const
 	{
 		string str = text(typeof(this).stringof, "(");
 		foreach(i,mem; this.tupleof) {
 			if(i) str ~= ", ";
 			str = text(str, this.tupleof[i].stringof[5..$], ":",  mem);
 		}
 		return str ~ ")";
 	}
 }