diff --git a/io/.gitignore b/io/.gitignore
new file mode 100644
index 00000000..f6089532
--- /dev/null
+++ b/io/.gitignore
@@ -0,0 +1,8 @@
+# C build
+.transaction_lock
+_bin
+_build
+_packs
+
+# Docio generated
+docs/
diff --git a/io/README.md b/io/README.md
new file mode 100644
index 00000000..1071fedf
--- /dev/null
+++ b/io/README.md
@@ -0,0 +1,21 @@
+# Gilded Rose starting position in Io
+
+## Run the unit tests from the Command-Line
+
+```shell
+io ./tests/correctness/run.io
+```
+
+## Run the TextTest Fixture from Command-Line
+
+```shell
+io ./tests/correctness/TexttestFixture.io
+```
+
+### Specify Number of Days
+
+For e.g. 10 days:
+
+```shell
+io ./tests/correctness/TexttestFixture.io 10
+```
diff --git a/io/io/GildedRose.io b/io/io/GildedRose.io
new file mode 100644
index 00000000..cace3a17
--- /dev/null
+++ b/io/io/GildedRose.io
@@ -0,0 +1,65 @@
+GildedRose := Object clone do(
+
+    init := method(
+        self items := list()
+    )
+
+    with := method(items,
+        result := self clone
+        result items = items
+        result
+    )
+
+    updateQuality := method(
+        for(i, 0, items size - 1,
+            if (items at(i) name != "Aged Brie" and
+                items at(i) name != "Backstage passes to a TAFKAL80ETC concert",
+                if (items at(i) quality > 0,
+                    if (items at(i) name != "Sulfuras, Hand of Ragnaros",
+                        items at(i) quality = items at(i) quality - 1
+                    )
+                )
+            ,
+                if (items at(i) quality < 50,
+                    items at(i) quality = items at(i) quality + 1
+
+                    if (items at(i) name == "Backstage passes to a TAFKAL80ETC concert",
+                        if (items at(i) sellIn < 11,
+                            if (items at(i) quality < 50,
+                                items at(i) quality = items at(i) quality + 1
+                            )
+                        )
+
+                        if (items at(i) sellIn < 6,
+                            if (items at(i) quality < 50,
+                                items at(i) quality = items at(i) quality + 1
+                            )
+                        )
+                    )
+                )
+            )
+
+            if (items at(i) name != "Sulfuras, Hand of Ragnaros",
+                items at(i) sellIn = items at(i) sellIn - 1
+            )
+
+            if (items at(i) sellIn < 0,
+                if (items at(i) name != "Aged Brie",
+                    if (items at(i) name != "Backstage passes to a TAFKAL80ETC concert",
+                        if (items at(i) quality > 0,
+                            if (items at(i) name != "Sulfuras, Hand of Ragnaros",
+                                items at(i) quality = items at(i) quality - 1
+                            )
+                        )
+                    ,
+                        items at(i) quality = items at(i) quality - items at(i) quality
+                    )
+                ,
+                    if (items at(i) quality < 50,
+                        items at(i) quality = items at(i) quality + 1
+                    )
+                )
+            )
+        )
+    )
+)
diff --git a/io/io/Item.io b/io/io/Item.io
new file mode 100644
index 00000000..0f683975
--- /dev/null
+++ b/io/io/Item.io
@@ -0,0 +1,19 @@
+Item := Object clone do(
+
+    name := ""
+    sellIn := 0
+    quality := 0
+
+    with := method(name, sellIn, quality,
+        result := self clone
+        result name = name
+        result sellIn = sellIn
+        result quality = quality
+        result
+    )
+
+    asString = method(
+        self name .. ", " .. self sellIn .. ", " .. self quality
+    )
+
+)
diff --git a/io/package.json b/io/package.json
new file mode 100644
index 00000000..8e17fd09
--- /dev/null
+++ b/io/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "gilded-rose-kata",
+  "version": "0.1.0",
+  "readme": "README.md",
+  "protos": [
+    "GildedRose",
+    "Item"
+  ],
+  "dependencies": {
+    "libs": [],
+    "headers": [],
+    "protos": [],
+    "packages": []
+  }
+}
\ No newline at end of file
diff --git a/io/tests/correctness/GildedRoseTest.io b/io/tests/correctness/GildedRoseTest.io
new file mode 100644
index 00000000..3d0f5009
--- /dev/null
+++ b/io/tests/correctness/GildedRoseTest.io
@@ -0,0 +1,13 @@
+doRelativeFile("../../io/Item.io")
+doRelativeFile("../../io/GildedRose.io")
+
+GildedRoseTest := UnitTest clone do(
+
+    testFoo := method(
+        items := list( Item with("foo", 0, 0) )
+        app := GildedRose with(items)
+        app updateQuality
+        assertEquals("fixme", app items at(0) name)
+    )
+
+)
diff --git a/io/tests/correctness/TexttestFixture.io b/io/tests/correctness/TexttestFixture.io
new file mode 100644
index 00000000..ecc6f7bd
--- /dev/null
+++ b/io/tests/correctness/TexttestFixture.io
@@ -0,0 +1,34 @@
+doRelativeFile("../../io/Item.io")
+doRelativeFile("../../io/GildedRose.io")
+
+writeln("OMGHAI!")
+
+items := list(
+    Item with("+5 Dexterity Vest", 10, 20), //
+    Item with("Aged Brie", 2, 0), //
+    Item with("Elixir of the Mongoose", 5, 7), //
+    Item with("Sulfuras, Hand of Ragnaros", 0, 80), //
+    Item with("Sulfuras, Hand of Ragnaros", -1, 80),
+    Item with("Backstage passes to a TAFKAL80ETC concert", 15, 20),
+    Item with("Backstage passes to a TAFKAL80ETC concert", 10, 49),
+    Item with("Backstage passes to a TAFKAL80ETC concert", 5, 49),
+    // this conjured item does not work properly yet
+    Item with("Conjured Mana Cake", 3, 6)
+)
+
+app := GildedRose with(items)
+
+days := 2
+if (System args size > 1,
+    days = System args at(1) asNumber + 1
+)
+
+for(i, 0, days - 1,
+    writeln("-------- day " .. i .. " --------")
+    writeln("name, sellIn, quality")
+    items foreach(item,
+        writeln(item)
+    )
+    writeln
+    app updateQuality
+)
diff --git a/io/tests/correctness/run.io b/io/tests/correctness/run.io
new file mode 100644
index 00000000..57d03a51
--- /dev/null
+++ b/io/tests/correctness/run.io
@@ -0,0 +1,2 @@
+#!/usr/bin/env io
+TestSuite clone setPath(System launchPath) run