diff --git a/parts/eventsets/infinite.lua b/parts/eventsets/infinite.lua
new file mode 100644
index 000000000..7e73bfc75
--- /dev/null
+++ b/parts/eventsets/infinite.lua
@@ -0,0 +1,37 @@
+return {
+    mesDisp=function(P)
+        setFont(45)
+        GC.mStr(("%d"):format(P.stat.atk),63,190)
+        GC.mStr(("%.2f"):format(P.stat.atk/P.stat.row),63,310)
+        mText(TEXTOBJ.atk,63,243)
+        mText(TEXTOBJ.eff,63,363)
+
+        local opacity=math.max(.4,MATH.expApproach(1,.36,2*(P.stat.time-P.modeData.lastChange)))
+        if #P.field>15 then opacity=opacity*.7 end
+        setFont(25)
+        GC.setColor(1,1,1,opacity)
+        GC.mStr(P.modeData.infHeight and text.infHeightOn or text.infHeightOff,300,80)
+        setFont(20)
+        GC.mStr(text.infHeightHint,300,120)
+    end,
+    task=function(P)
+        P.modeData.infHeight=false
+        P.modeData.lastChange=0
+    end,
+    fkey1=function(P)
+        P.modeData.infHeight=not P.modeData.infHeight
+        P.modeData.lastChange=P.stat.time
+    end,
+    hook_drop=function(P)
+        local heightTarget=P.field and #P.field+8 or 20
+        local env=P.gameEnv
+        if P.modeData.infHeight then
+            env.fieldH=math.max(env.fieldH,heightTarget)
+            return
+        end
+
+        -- if not infHeight, then only decrease height
+        if env.fieldH==20 then return end
+        env.fieldH=math.max(20,math.min(env.fieldH,heightTarget))
+    end
+}
diff --git a/parts/language/lang_en.lua b/parts/language/lang_en.lua
index ad074817c..b005d627c 100644
--- a/parts/language/lang_en.lua
+++ b/parts/language/lang_en.lua
@@ -40,6 +40,9 @@ return {
     maxspeed="MAX SPEED!",
     speedup="Speed Up!",
     missionFailed="Wrong Clear",
+    infHeightOn="Infinite Height ON",
+    infHeightOff="Infinite Height OFF",
+    infHeightHint="Toggle with Function 1 key",
 
     speedLV="Speed Level",
     piece="Piece",line="Lines",atk="Attack",eff="Efficiency",
diff --git a/parts/language/lang_es.lua b/parts/language/lang_es.lua
index 18da43d9e..dba29ac88 100644
--- a/parts/language/lang_es.lua
+++ b/parts/language/lang_es.lua
@@ -39,6 +39,9 @@ return {
     maxspeed="¡Máx. Velocidad!",
     speedup="¡Más rápido!",
     missionFailed="Misión Fallida",
+    -- infHeightOn="Infinite Height ON",
+    -- infHeightOff="Infinite Height OFF",
+    -- infHeightHint="Toggle with Function 1 key",
 
     speedLV="Veloc. de juego",
     piece="Piezas",line="Líneas",atk="Ataque",eff="Eficiencia",
diff --git a/parts/language/lang_fr.lua b/parts/language/lang_fr.lua
index 354329ad0..482bfbe02 100644
--- a/parts/language/lang_fr.lua
+++ b/parts/language/lang_fr.lua
@@ -39,6 +39,9 @@ return {
     maxspeed="Vitesse maximale !",
     speedup="Accélérez !",
     missionFailed="Mission échouée",
+    -- infHeightOn="Infinite Height ON",
+    -- infHeightOff="Infinite Height OFF",
+    -- infHeightHint="Toggle with Function 1 key",
 
     speedLV="niveau de vitesse",
     piece="Pièce",line="Lignes",atk="Attaque",eff="Efficacité",
diff --git a/parts/language/lang_id.lua b/parts/language/lang_id.lua
index 95298783a..5706eb01f 100644
--- a/parts/language/lang_id.lua
+++ b/parts/language/lang_id.lua
@@ -41,6 +41,9 @@ return {
     maxspeed="KECEPATAN MAXIMUM!",
     speedup="Percepatkan!",
     missionFailed="Salah",
+    infHeightOn="Ketinggian Tak Terhingga ON",
+    infHeightOff="Ketinggian Tak Terhingga OFF",
+    infHeightHint="Ubah dengan tombol Fungsi 1",
 
     speedLV="Kecptn lvl",
     piece="Blok",line="Baris",atk="Baris Terkirim",eff="Efisiensi",
diff --git a/parts/language/lang_ja.lua b/parts/language/lang_ja.lua
index 153b01731..d4edae45f 100644
--- a/parts/language/lang_ja.lua
+++ b/parts/language/lang_ja.lua
@@ -41,6 +41,9 @@ return {
     maxspeed="最高速度!",
     speedup="スピードアップ!",
     missionFailed="ミッション失敗",
+    -- infHeightOn="Infinite Height ON",
+    -- infHeightOff="Infinite Height OFF",
+    -- infHeightHint="Toggle with Function 1 key",
 
     speedLV="レベル",
     piece="ミノ数",line="line数",atk="火力",eff="効率",
diff --git a/parts/language/lang_pt.lua b/parts/language/lang_pt.lua
index c0614db64..a5d010ab2 100644
--- a/parts/language/lang_pt.lua
+++ b/parts/language/lang_pt.lua
@@ -30,6 +30,9 @@ return {
     maxspeed="Velocidade máxima!",
     speedup="Mais rápido!",
     missionFailed="Missão falha",
+    -- infHeightOn="Infinite Height ON",
+    -- infHeightOff="Infinite Height OFF",
+    -- infHeightHint="Toggle with Function 1 key",
 
     speedLV="Nível de velocidade",
     piece="Peça",line="Linhas",atk="Ataque",eff="Eficiência",
diff --git a/parts/language/lang_symbol.lua b/parts/language/lang_symbol.lua
index b9b33dcc0..e32406e66 100644
--- a/parts/language/lang_symbol.lua
+++ b/parts/language/lang_symbol.lua
@@ -1,3 +1,4 @@
+local x,v=CHAR.icon.crossMark,CHAR.icon.checkMark
 return {
     fallback='en',
     loadText={
@@ -38,6 +39,9 @@ return {
     maxspeed="!!!",
     speedup="~!~",
     missionFailed="-X_X-",
+    infHeightOn="∞↑ "..v,
+    infHeightOff="∞↑ "..x,
+    infHeightHint=v.."/"..x..": F₁",
 
     win=": )",
     lose=": (",
@@ -61,7 +65,7 @@ return {
 
     loadError_errorMode="'$1' ↑x!: no load mode '$2'",
     loadError_read="'$1' ↑x!: read failed",
-    loadError_noFile="'$1' ↑oading failed no file:",
+    loadError_noFile="'$1' loading failed no file:",
     loadError_other="'$1' ↑x!: $2",
     loadError_unknown="'$1' ↑x!: unknown reason",
 
diff --git a/parts/modes/infinite.lua b/parts/modes/infinite.lua
index aabeca896..989850ad3 100644
--- a/parts/modes/infinite.lua
+++ b/parts/modes/infinite.lua
@@ -2,13 +2,7 @@ return {
     env={
         drop=1e99,lock=1e99,
         infHold=true,
-        mesDisp=function(P)
-            setFont(45)
-            GC.mStr(("%d"):format(P.stat.atk),63,190)
-            GC.mStr(("%.2f"):format(P.stat.atk/P.stat.row),63,310)
-            mText(TEXTOBJ.atk,63,243)
-            mText(TEXTOBJ.eff,63,363)
-        end,
         bg='blockfall',bgm='infinite',
+        eventSet='infinite'
     },
 }