diff --git a/build.sbt b/build.sbt
index 9e613ad..d598da6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,15 +2,15 @@ lazy val scodec = (project in file("scodec")).settings(
   organization := "tf.bug",
   name := "fancadescodec",
   version := "0.1.0",
-  scalaVersion := "2.13.3",
+  scalaVersion := "2.13.2",
   libraryDependencies ++= Seq(
     "org.scodec" %% "scodec-core" % "1.11.7",
-    "org.scodec" %% "scodec-bits" % "1.1.17",
+    "org.scodec" %% "scodec-bits" % "1.1.14",
     "org.scodec" %% "scodec-stream" % "2.0.0",
-    "org.typelevel" %% "cats-effect" % "2.1.3",
+    "org.typelevel" %% "cats-effect" % "2.1.2",
     "org.typelevel" %% "cats-core" % "2.1.1",
-    "co.fs2" %% "fs2-core" % "2.4.2",
-    "co.fs2" %% "fs2-io" % "2.4.2",
+    "co.fs2" %% "fs2-core" % "2.3.0",
+    "co.fs2" %% "fs2-io" % "2.3.0",
   ),
   mainClass in assembly := Some("tf.bug.fancadescodec.Main"),
 )
@@ -19,7 +19,7 @@ lazy val graph = (project in file("graph")).settings(
   organization := "tf.bug",
   name := "fancadegraph",
   version := "0.1.0",
-  scalaVersion := "2.13.3",
+  scalaVersion := "2.13.2",
   libraryDependencies ++= Seq(
     "org.scala-graph" %% "graph-core" % "1.13.2",
   ),
@@ -29,13 +29,13 @@ lazy val tagless = (project in file("tagless")).settings(
   organization := "tf.bug",
   name := "fancadetagless",
   version := "0.1.0",
-  scalaVersion := "2.13.3",
+  scalaVersion := "2.13.1",
   libraryDependencies ++= Seq(
     "org.scala-graph" %% "graph-core" % "1.13.2",
     "com.chuusai" %% "shapeless" % "2.3.3",
     "org.typelevel" %% "cats-core" % "2.1.1",
-    "org.typelevel" %% "cats-effect" % "2.1.3",
-    "io.chrisdavenport" %% "fuuid" % "0.4.0",
+    "org.typelevel" %% "cats-effect" % "2.1.2",
+    "io.chrisdavenport" %% "fuuid" % "0.3.0",
     "org.scalameta" %% "munit" % "0.7.9" % Test,
   ),
   testFrameworks += new TestFramework("munit.Framework"),
diff --git a/graph/src/main/scala/tf/bug/fancadegraph/Argument.scala b/graph/src/main/scala/tf/bug/fancadegraph/Argument.scala
index fff9cb5..d59f729 100644
--- a/graph/src/main/scala/tf/bug/fancadegraph/Argument.scala
+++ b/graph/src/main/scala/tf/bug/fancadegraph/Argument.scala
@@ -20,14 +20,9 @@ object Argument {
       fansc.Metadata.Number(pos, value)
     )
   }
-  implicit val booleanArg: Argument[Boolean] = new Argument[Boolean] {
-    override def encode(value: Boolean)(pos: fansc.Position): Vector[fansc.Metadata] = Vector(
-      fansc.Metadata.Bool(pos, value)
-    )
-  }
   implicit val soundOptionsArg: Argument[SoundOptions] = new Argument[SoundOptions] {
     override def encode(value: SoundOptions)(pos: fansc.Position): Vector[fansc.Metadata] = Vector(
-      fansc.Metadata.Bool(pos, value.loop),
+      fansc.Metadata.PlaySoundLoop(pos, value.loop),
       fansc.Metadata.PlaySoundSample(pos, value.sample)
     )
   }
diff --git a/graph/src/main/scala/tf/bug/fancadegraph/BlockDefinition.scala b/graph/src/main/scala/tf/bug/fancadegraph/BlockDefinition.scala
index 381f4c8..78f8853 100644
--- a/graph/src/main/scala/tf/bug/fancadegraph/BlockDefinition.scala
+++ b/graph/src/main/scala/tf/bug/fancadegraph/BlockDefinition.scala
@@ -389,7 +389,7 @@ object BlockDefinition {
     override val ids: Vector[Obj] = Vector(Obj.archLower, Obj.archHigher)
   }
 
-  case object Win extends BuiltIn[Boolean] {
+  case object Win extends BuiltIn[Unit] {
     override val width: Int = 2
     override val height: Int = 1
     override val depth: Int = 2
@@ -415,7 +415,7 @@ object BlockDefinition {
     )
   }
 
-  case object Lose extends BuiltIn[Boolean] {
+  case object Lose extends BuiltIn[Unit] {
     override val width: Int = 2
     override val height: Int = 1
     override val depth: Int = 2
diff --git a/graph/src/main/scala/tf/bug/fancadegraph/Main.scala b/graph/src/main/scala/tf/bug/fancadegraph/Main.scala
index 93c4d25..cfd0e07 100644
--- a/graph/src/main/scala/tf/bug/fancadegraph/Main.scala
+++ b/graph/src/main/scala/tf/bug/fancadegraph/Main.scala
@@ -1,6 +1,7 @@
 package tf.bug.fancadegraph
 
 import cats.effect.{Blocker, ExitCode, IO, IOApp}
+import cats.implicits._
 import fs2._
 import java.nio.file.{Paths, StandardOpenOption}
 import scalax.collection.Graph
@@ -11,8 +12,8 @@ import tf.bug.fancadescodec.{Cartridge, Codecs, Position}
 object Main extends IOApp {
 
   override def run(args: List[String]): IO[ExitCode] = {
-    val winBlock = Block(Position(0, 0, 0), BlockDefinition.Win, true)
-    val loseBlock = Block(Position(0, 0, 3), BlockDefinition.Lose, true)
+    val winBlock = Block(Position(0, 0, 0), BlockDefinition.Win)
+    val loseBlock = Block(Position(0, 0, 3), BlockDefinition.Lose)
     val loseAfter = Pin(loseBlock, BlockDefinition.Lose.after)
     val winBefore = Pin(winBlock, BlockDefinition.Win.before)
     val level = Level(
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 4ff411d..f0390ca 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,3 +1,2 @@
-addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.1.13")
+addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.1.11")
 addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.10")
-addSbtPlugin("org.jmotor.sbt" % "sbt-dependency-updates" % "1.2.2")
diff --git a/scodec/src/main/scala/tf/bug/fancadescodec/Codecs.scala b/scodec/src/main/scala/tf/bug/fancadescodec/Codecs.scala
index 71453c3..145b203 100644
--- a/scodec/src/main/scala/tf/bug/fancadescodec/Codecs.scala
+++ b/scodec/src/main/scala/tf/bug/fancadescodec/Codecs.scala
@@ -50,8 +50,8 @@ object Codecs {
   lazy val metadata: Codec[Metadata] =
     discriminated[Metadata].by(uint16L)
       .subcaseP(0x0100) {
-        case bool: Metadata.Bool => bool
-      } (metadataBool)
+        case psl: Metadata.PlaySoundLoop => psl
+      } (metadataPlaySoundLoop)
       .subcaseP(0x0201) {
         case pss: Metadata.PlaySoundSample => pss
       } (metadataPlaySoundSample)
@@ -68,8 +68,8 @@ object Codecs {
         case terminal: Metadata.Terminal => terminal
       } (metadataTerminal)
 
-  lazy val metadataBool: Codec[Metadata.Bool] =
-    (position :: bool(8).hlist).as[Metadata.Bool]
+  lazy val metadataPlaySoundLoop: Codec[Metadata.PlaySoundLoop] =
+    (position :: bool(8).hlist).as[Metadata.PlaySoundLoop]
   lazy val metadataPlaySoundSample: Codec[Metadata.PlaySoundSample] =
     (position :: sample.hlist).as[Metadata.PlaySoundSample]
   lazy val metadataNumber: Codec[Metadata.Number] =
diff --git a/scodec/src/main/scala/tf/bug/fancadescodec/Metadata.scala b/scodec/src/main/scala/tf/bug/fancadescodec/Metadata.scala
index 64004d5..ad760aa 100644
--- a/scodec/src/main/scala/tf/bug/fancadescodec/Metadata.scala
+++ b/scodec/src/main/scala/tf/bug/fancadescodec/Metadata.scala
@@ -4,7 +4,7 @@ sealed trait Metadata
 
 object Metadata {
 
-  case class Bool(
+  case class PlaySoundLoop(
     block: Position,
     doLoop: Boolean
   ) extends Metadata
diff --git a/tagless/src/main/scala/tf/bug/fancadetagless/Fanscript.scala b/tagless/src/main/scala/tf/bug/fancadetagless/Fanscript.scala
index 8a26a2f..8e5f89c 100644
--- a/tagless/src/main/scala/tf/bug/fancadetagless/Fanscript.scala
+++ b/tagless/src/main/scala/tf/bug/fancadetagless/Fanscript.scala
@@ -1,6 +1,7 @@
 package tf.bug.fancadetagless
 
 import tf.bug.fancadetagless.Fanscript.{Position, ScreenSize}
+import tf.bug.fancadegraph.BlockDefinition
 
 trait Fanscript[F[_]] {