diff --git a/src-ui/changes.html b/src-ui/changes.html
index 3d0827e84..b0c4b0b14 100644
--- a/src-ui/changes.html
+++ b/src-ui/changes.html
@@ -33,13 +33,13 @@
 <main>
 <div style="margin-bottom: 5px;"><b>Latest types</b> (<em><a href="/list.html" target="_parent">all types</a></em>)</div>
 <ul>
+  <li><a href="/p?hamlepaths" target="_parent">Hamle Paths</a></li>
   <li><a href="/p?ruleofthree" target="_parent">Rule of Three</a></li>
   <li><a href="/p?disco" target="_parent">Disconnection ディスコネクション</a></li>
   <li><a href="/p?nuriloop" target="_parent">Nurikabe Loop 面積リンク</a></li>
   <li><a href="/p?roboticwalk" target="_parent">Robotic Walk</a></li>
   <li><a href="/p?bramble" target="_parent">Bramble</a></li>
   <li><a href="/p?suguru" target="_parent">Suguru (Capsules) ナンバーブロック</a></li>
-  <li><a href="/p?topo" target="_parent">Topo</a></li>
 </ul>
 </main>
 </body>
diff --git a/src-ui/img/hamlepaths.png b/src-ui/img/hamlepaths.png
new file mode 100644
index 000000000..85f0e3b75
Binary files /dev/null and b/src-ui/img/hamlepaths.png differ
diff --git a/src-ui/js/ui/KeyPopup.js b/src-ui/js/ui/KeyPopup.js
index 46a8d458b..49787a589 100644
--- a/src-ui/js/ui/KeyPopup.js
+++ b/src-ui/js/ui/KeyPopup.js
@@ -69,6 +69,7 @@ ui.keypopup = {
 		bonsan: [10, 0],
 		heyabon: [10, 0],
 		rectslider: [10, 0],
+		hamlepaths: [10, 0],
 		satogaeri: [10, 0],
 		yosenabe: [10, 0],
 		herugolf: [10, 0],
@@ -496,6 +497,7 @@ ui.keypopup = {
 			cap = "□";
 		} else if (
 			pid === "rectslider" ||
+			pid === "hamlepaths" ||
 			pid === "aquapelago" ||
 			pid === "mrtile"
 		) {
diff --git a/src-ui/js/ui/Misc.js b/src-ui/js/ui/Misc.js
index 50b67da31..60ae9b970 100755
--- a/src-ui/js/ui/Misc.js
+++ b/src-ui/js/ui/Misc.js
@@ -152,6 +152,7 @@ function toBGimage(pid) {
 		"firewalk",
 		"forestwalk",
 		"geradeweg",
+		"hamlepaths",
 		"hasunomura",
 		"heteromino",
 		"heyapin",
diff --git a/src-ui/list.html b/src-ui/list.html
index 4af89749c..a294602a9 100644
--- a/src-ui/list.html
+++ b/src-ui/list.html
@@ -273,6 +273,7 @@ <h2 id="title"><span lang="ja">パズルの種類のリスト</span><span lang="
     <li data-pid="brownies"></li>
     <li data-pid="timebomb"></li>
     <li data-pid="blindrush"></li>
+    <li data-pid="hamlepaths"></li>
    </ul>
   </div>
   <div class="lists divides">
diff --git a/src/pzpr/variety.js b/src/pzpr/variety.js
index 799b6fbd2..e8c9a2c51 100755
--- a/src/pzpr/variety.js
+++ b/src/pzpr/variety.js
@@ -187,6 +187,7 @@
 			guidearrow: [0, 0, "ガイドアロー", "Guide Arrow"],
 			haisu: [0, 0, "Haisu", "Haisu"],
 			hakoiri: [1, 0, "はこいり○△□", "Hakoiri-masashi"],
+			hamlepaths: [0, 0, "Hamle Paths", "Hamle Paths", "bonsan"],
 			hanare: [0, 0, "はなれ組", "Hanare-gumi", "hanare"],
 			hashikake: [
 				0,
diff --git a/src/variety/bonsan.js b/src/variety/bonsan.js
index 52dbd6531..28898bdf9 100644
--- a/src/variety/bonsan.js
+++ b/src/variety/bonsan.js
@@ -7,7 +7,7 @@
 	} else {
 		pzpr.classmgr.makeCustom(pidlist, classbase);
 	}
-})(["bonsan", "heyabon", "rectslider", "satogaeri", "timebomb"], {
+})(["bonsan", "heyabon", "rectslider", "satogaeri", "timebomb", "hamlepaths"], {
 	//---------------------------------------------------------
 	// マウス入力系
 	"MouseEvent@bonsan,heyabon": {
@@ -22,7 +22,7 @@
 			play: ["line", "clear", "completion"]
 		}
 	},
-	"MouseEvent@rectslider": {
+	"MouseEvent@rectslider,hamlepaths": {
 		inputModes: {
 			edit: ["number", "clear"],
 			play: ["line", "bgcolor", "subcircle", "subcross", "clear"]
@@ -123,7 +123,11 @@
 			}
 
 			var puzzle = this.puzzle;
-			if (puzzle.pid !== "rectslider" && this.inputdark(cell, 1)) {
+			if (
+				puzzle.pid !== "rectslider" &&
+				puzzle.pid !== "hamlepaths" &&
+				this.inputdark(cell, 1)
+			) {
 				return;
 			}
 			if (puzzle.pid === "satogaeri") {
@@ -522,10 +526,22 @@
 			this.setEdgeByNodeObj(border.sidecell[1]);
 		}
 	},
+	"AreaUnshadeGraph@hamlepaths": {
+		enabled: true,
+		relation: { "cell.qnum": "node", "border.line": "move" },
+		isnodevalid: function(cell) {
+			return cell.base.qnum === -1;
+		},
+
+		modifyOtherInfo: function(border, relation) {
+			this.setEdgeByNodeObj(border.sidecell[0]);
+			this.setEdgeByNodeObj(border.sidecell[1]);
+		}
+	},
 
 	//---------------------------------------------------------
 	// 画像表示系
-	"Graphic@bonsan,heyabon,rectslider": {
+	"Graphic@bonsan,heyabon,rectslider,hamlepaths": {
 		bgcellcolor_func: "qsub2",
 		autocmp: "number"
 	},
@@ -576,11 +592,13 @@
 			this.drawTarget();
 		}
 	},
-	"Graphic@rectslider": {
+	"Graphic@rectslider,hamlepaths": {
 		fontShadecolor: "white",
 		qcmpcolor: "gray",
 
 		paint: function() {
+			this.drawBGCells();
+
 			this.drawDashedGrid();
 
 			this.drawTip();
@@ -607,12 +625,7 @@
 			}
 
 			var info = cell.error || cell.qinfo;
-			if (info === 0) {
-				return this.quescolor;
-			} else if (info === 1) {
-				return this.errcolor1;
-			}
-			return null;
+			return info > 0 ? this.errcolor1 : this.quescolor;
 		},
 		getQuesNumberColor: function(cell) {
 			return cell.isCmp() ? this.qcmpcolor : this.fontShadecolor;
@@ -758,7 +771,7 @@
 			this.fio.encodeQnum_PBox_Sato();
 		}
 	},
-	"Encode@rectslider,timebomb": {
+	"Encode@rectslider,timebomb,hamlepaths": {
 		decodePzpr: function(type) {
 			this.decodeNumber16();
 		},
@@ -771,7 +784,11 @@
 		decodeData: function() {
 			this.decodeCellQnum();
 			this.decodeCellQsubQcmp();
-			if (this.pid !== "rectslider" && this.pid !== "timebomb") {
+			if (
+				this.pid !== "rectslider" &&
+				this.pid !== "timebomb" &&
+				this.pid !== "hamlepaths"
+			) {
 				this.decodeBorderQues();
 			}
 			this.decodeBorderLine();
@@ -779,7 +796,11 @@
 		encodeData: function() {
 			this.encodeCellQnum();
 			this.encodeCellQsubQcmp();
-			if (this.pid !== "rectslider" && this.pid !== "timebomb") {
+			if (
+				this.pid !== "rectslider" &&
+				this.pid !== "timebomb" &&
+				this.pid !== "hamlepaths"
+			) {
 				this.encodeBorderQues();
 			}
 			this.encodeBorderLine();
@@ -890,6 +911,9 @@
 			"checkMovedBlockRect@rectslider",
 			"checkMovedBlockSize@rectslider",
 
+			"checkMovedAdjacent@hamlepaths",
+			"checkConnectUnshade@hamlepaths",
+
 			"checkLineLength",
 
 			"checkFractal@bonsan,heyabon",
@@ -1032,5 +1056,18 @@
 				});
 			}, "ceNoBomb");
 		}
+	},
+	"AnsCheck@hamlepaths": {
+		checkMovedAdjacent: function() {
+			this.checkSideCell(function(cell1, cell2) {
+				return cell1.base.isNum() && cell2.base.isNum();
+			}, "csAdjacent");
+		}
+	},
+	"FailCode@hamlepaths": {
+		nmConnected: "nmConnected.rectslider",
+		laOnNum: "laOnNum.rectslider",
+		laIsolate: "laIsolate.rectslider",
+		nmNoMove: "nmNoMove.rectslider"
 	}
 });
diff --git a/test/script/hamlepaths.js b/test/script/hamlepaths.js
new file mode 100644
index 000000000..1e7a29e4d
--- /dev/null
+++ b/test/script/hamlepaths.js
@@ -0,0 +1,56 @@
+/* hamlepaths.js */
+
+ui.debug.addDebugData("hamlepaths", {
+	url: "5/5/h2j1g10m3h.h2",
+	failcheck: [
+		[
+			"brNoLine",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /"
+		],
+		[
+			"lnBranch",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 /0 0 0 0 /1 1 1 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 0 /0 1 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /"
+		],
+		[
+			"lnCross",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /1 1 1 0 /0 0 0 0 /0 1 0 0 0 /0 1 0 0 0 /0 1 0 0 0 /0 1 0 0 0 /"
+		],
+		[
+			"nmConnected",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /0 1 1 1 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /"
+		],
+		[
+			"laOnNum",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /1 1 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /"
+		],
+		[
+			"laCurve",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /0 1 1 0 /0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 1 0 0 0 /0 0 0 0 0 /"
+		],
+		[
+			"laIsolate",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /1 1 0 0 /0 0 0 0 /0 0 0 0 /1 1 0 0 /1 0 1 1 /0 0 0 1 0 /0 0 1 1 1 /0 0 0 1 0 /0 0 0 0 0 /"
+		],
+		[
+			"nmNoMove",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /1 1 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /1 0 1 1 /0 0 0 0 1 /0 0 1 0 0 /0 0 0 0 0 /0 0 0 0 0 /"
+		],
+		[
+			"laLenNe",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /1 1 0 0 /0 0 1 0 /0 0 0 0 /0 0 1 0 /1 0 0 1 /0 0 0 0 0 /0 0 0 0 1 /0 0 0 0 0 /0 0 0 0 0 /"
+		],
+		[
+			"csAdjacent",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /1 1 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /1 0 1 1 /0 0 0 1 1 /0 0 1 1 0 /0 0 0 1 0 /0 0 0 0 0 /"
+		],
+		[
+			"cuDivide",
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /1 1 0 0 /0 1 0 0 /0 0 0 0 /0 0 0 0 /1 0 1 1 /0 0 0 1 0 /0 0 0 1 1 /0 0 0 1 0 /0 0 0 0 0 /"
+		],
+		[
+			null,
+			"pzprv3/hamlepaths/5/5/. . 2 . . /. . 1 . 1 /0 . . . . /. . . 3 . /. - . . 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /1 1 0 0 /0 0 0 0 /0 0 0 0 /0 0 0 0 /1 0 1 1 /0 0 0 1 0 /0 0 1 1 1 /0 0 0 1 0 /0 0 0 0 0 /"
+		]
+	],
+	inputs: []
+});