diff --git a/README.md b/README.md
index 85684588..4403d569 100755
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Thanks to everyone who continues to contribute; new languages are created every
 Make sure to see [CONTRIBUTING.md](/CONTRIBUTING.md) for instructions on contributing to the project!
 
 <!--Languages start-->
-## Languages (662 total)
+## Languages (663 total)
 
 * [05Ab1E](%23/05AB1E)
 * [0815](%23/0815.0815)
@@ -108,6 +108,7 @@ Make sure to see [CONTRIBUTING.md](/CONTRIBUTING.md) for instructions on contrib
 * [Assembler Z80 Knightos](a/assembler_z80_knightos.asm)
 * [Assembler Z80 Ti83Calculator](a/assembler_z80_ti83calculator.asm)
 * [Assembler Z80 Zxspectrum](a/assembler_z80_zxspectrum.asm)
+* [ATS2](a/ATS2.dats)
 * [Attache](a/Attache.%40)
 * [Autohotkey](a/autohotkey.ahk)
 * [Autoit](a/autoit.au3)
diff --git a/a/ATS2.dats b/a/ATS2.dats
new file mode 100644
index 00000000..4add1e9c
--- /dev/null
+++ b/a/ATS2.dats
@@ -0,0 +1,4 @@
+val _ =
+	print ("Hello world\n")
+
+implement main0 () = ()