diff --git a/cardsim/terminalui.go b/cardsim/terminalui.go
index 7283528..5f29064 100644
--- a/cardsim/terminalui.go
+++ b/cardsim/terminalui.go
@@ -119,3 +119,7 @@ func pickNextAction[C StatsCollection](p *Player[C]) (isCard bool, cardIdx int,
 	}
 	return pickNextAction(p)
 }
+
+func cls() {
+	fmt.Println("\033[H\033[2J")
+}