diff --git a/README.md b/README.md
index c93bcfe..2c68f81 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,6 @@ logic mostly like https://git.crispypin.cc/CrispyPin/marble
   - background colour setting
   - hotkeys for everything
 - more levels
-- scroll output bytes
 - make direct power (comparator -> machine) work, (needs storing power direction in machine tiles)
 - cut selections, copy to system clipboard
 - timestamps in solutions and blueprints
diff --git a/levels/01_intro/01_output.json b/levels/01_intro/01_output.json
index 8a51782..646a4e9 100644
--- a/levels/01_intro/01_output.json
+++ b/levels/01_intro/01_output.json
@@ -4,8 +4,12 @@
 	"name": "Zero",
 	"description": "learn how to output data",
 	"init_board": "\n o \n\n I\n\n",
-	"stages": [{
-		"input": [],
-		"output": [0]
-	}]
+	"stages": [
+		{
+			"input": [],
+			"output": [
+				0
+			]
+		}
+	]
 }
\ No newline at end of file
diff --git a/levels/01_intro/04_copy_input.json b/levels/01_intro/04_copy_input.json
index 1281381..028bdb2 100644
--- a/levels/01_intro/04_copy_input.json
+++ b/levels/01_intro/04_copy_input.json
@@ -6,11 +6,5 @@
 	"stages": [{
 		"input": "Hello, world!",
 		"output": "Hello, world!"
-	},{
-		"input": "Meow!",
-		"output": "Meow!"
-	},{
-		"input": "there really isn't much point to more than 2 stages, but here we are",
-		"output": "there really isn't much point to more than 2 stages, but here we are"
 	}]
 }
\ No newline at end of file
diff --git a/levels/01_intro/05_copy_odd.json b/levels/01_intro/05_copy_odd.json
index f57e8c6..26d25d9 100644
--- a/levels/01_intro/05_copy_odd.json
+++ b/levels/01_intro/05_copy_odd.json
@@ -4,9 +4,6 @@
 	"name": "Odd Cat",
 	"description": "copy only the odd numbers from the input",
 	"stages": [{
-		"input": [1, 2, 3, 4, 5, 6, 7],
-		"output": [1, 3, 5, 7]
-	},{
 		"input": [112, 92, 51, 79, 112, 96, 84, 59, 195, 208, 137, 196, 68, 204, 82, 148, 251, 56, 105, 38, 63, 204, 240, 220, 180, 54, 211, 17, 82, 17, 181, 43],
 		"output": [51, 79, 59, 195, 137, 251, 105, 63, 211, 17, 17, 181, 43]
 	}]
diff --git a/levels/02_lists/count_fives.json b/levels/02_lists/count_fives.json
index 395177f..8a9549f 100644
--- a/levels/02_lists/count_fives.json
+++ b/levels/02_lists/count_fives.json
@@ -4,9 +4,6 @@
 	"name": "Fives",
 	"description": "count how many fives are in the input",
 	"stages": [{
-		"input": [6, 5, 5, 3, 5, 0],
-		"output": [3]
-	},{
 		"input": [182, 236, 71, 5, 5, 242, 29, 99, 19, 230, 217, 5, 67, 5, 223, 224, 70, 243, 3, 74, 242, 5, 171, 31, 96, 5, 169, 70, 5, 163, 72, 5, 172, 148, 5, 208, 28, 220, 17, 184, 172, 238, 5, 105, 119, 5, 106, 100, 73, 53, 42, 221, 155, 5, 74, 100, 161, 36, 16, 239, 193, 164, 64, 162, 222, 155, 107, 14, 45, 52, 159, 31, 199, 124, 129, 0],
 		"output": [12]
 }]
diff --git a/levels/02_lists/list_length.json b/levels/02_lists/list_length.json
index c254b2b..3a6d8b8 100644
--- a/levels/02_lists/list_length.json
+++ b/levels/02_lists/list_length.json
@@ -4,9 +4,6 @@
 	"name": "Length",
 	"description": "count how many numbers are in the input, until the first zero",
 	"stages": [{
-		"input": [1, 87, 9, 0],
-		"output": [3]
-	},{
 		"input": [182, 236, 71, 5, 5, 242, 29, 99, 19, 230, 217, 5, 67, 5, 223, 224, 70, 243, 3, 74, 242, 5, 171, 31, 96, 5, 169, 70, 5, 163, 72, 5, 172, 148, 5, 208, 28, 220, 17, 184, 172, 0],
 		"output": [41]
 	}]
diff --git a/levels/02_lists/null_separation.json b/levels/02_lists/null_separation.json
index e455b0d..402912c 100644
--- a/levels/02_lists/null_separation.json
+++ b/levels/02_lists/null_separation.json
@@ -6,8 +6,5 @@
 	"stages": [{
 		"input": "9834726\u0000Hello, worlg!",
 		"output": "Hello, worlg!"
-	},{
-		"input": "aonmbgoirf\u0000this is just to make sure you don't hardcode the output for a better score",
-		"output": "this is just to make sure you don't hardcode the output for a better score"
 	}]
 }
\ No newline at end of file
diff --git a/levels/02_lists/reverse_input.json b/levels/02_lists/reverse_input.json
index 9b6eb1e..91ad03d 100644
--- a/levels/02_lists/reverse_input.json
+++ b/levels/02_lists/reverse_input.json
@@ -4,9 +4,6 @@
 	"name": "Reverse",
 	"description": "read input until zero and output the same thing in reverse",
 	"stages": [{
-		"input": "woem\u0000",
-		"output": "meow"
-	},{
 		"input": "tnropmi yrev\u0000",
 		"output": "very impornt"
 	}]
diff --git a/levels/03_text/ascii_to_lower.json b/levels/03_text/ascii_to_lower.json
index 401de96..5c19e65 100644
--- a/levels/03_text/ascii_to_lower.json
+++ b/levels/03_text/ascii_to_lower.json
@@ -4,9 +4,6 @@
 	"name": "Lowercase",
 	"description": "Convert text to lowercase",
 	"stages": [{
-		"input": "FROM THE MOMENT I UNDERSTOOD THE WEAKNESS OF MY FLESH, IT DISGUSTED ME",
-		"output": "from the moment i understood the weakness of my flesh, it disgusted me"
-	},{
 		"input": "I CraVeD tHE strEnGTH AND CerTAinTy oF STeeL",
 		"output": "i craved the strength and certainty of steel"
 	}]
diff --git a/levels/03_text/output_decimal.json b/levels/03_text/output_decimal.json
index 6cc2f5d..fcc388e 100644
--- a/levels/03_text/output_decimal.json
+++ b/levels/03_text/output_decimal.json
@@ -4,9 +4,6 @@
 	"name": "Numbers",
 	"description": "Convert input numbers to text, separated by spaces (32)\n'0' = 48, '1' = 49, '2' = 50, and so on",
 	"stages": [{
-		"input": [8, 7, 1],
-		"output": "8 7 1"
-	},{
 		"input": [85, 114, 32, 103, 97, 121, 58, 51],
 		"output": "85 114 32 103 97 121 58 51"
 	}]
diff --git a/levels/03_text/parse_decimal.json b/levels/03_text/parse_decimal.json
index fea5a42..ece2bef 100644
--- a/levels/03_text/parse_decimal.json
+++ b/levels/03_text/parse_decimal.json
@@ -4,9 +4,6 @@
 	"name": "Numbers 2",
 	"description": "Convert input numbers from text, separated by spaces (32)\n'0' = 48, '1' = 49, '2' = 50, and so on",
 	"stages": [{
-		"input": "1 2 3",
-		"output": [1, 2, 3]
-	},{
 		"input": "85 114 32 103 97 121 58 51",
 		"output": [85, 114, 32, 103, 97, 121, 58, 51]
 	}]
diff --git a/src/editor.rs b/src/editor.rs
index bd6bcbe..b6769c9 100644
--- a/src/editor.rs
+++ b/src/editor.rs
@@ -303,7 +303,7 @@ impl Editor {
 			let stage = &self.level.stages()[i];
 			if self.popup == EndPopup::None {
 				if stage.output().as_bytes() == self.machine.output() {
-					if i + 1 < self.level.stages().len() {
+					if i < self.level.stages().len() {
 						self.stage = Some(i + 1);
 						self.total_steps += self.machine.step_count();
 						self.reset_machine();
@@ -757,8 +757,15 @@ impl Editor {
 
 		draw_usize(d, textures, self.machine.step_count(), 420, 4, 9, 2);
 		if self.stage > Some(0) {
-			let total_steps = self.total_steps + self.machine.step_count();
-			draw_usize(d, textures, total_steps, 420, 44, 9, 2);
+			draw_usize(
+				d,
+				textures,
+				self.total_steps + self.machine.step_count(),
+				420,
+				44,
+				9,
+				2,
+			);
 		}
 
 		draw_usize(d, textures, self.step_time as usize, 260, 42, 9, 1);
@@ -960,22 +967,11 @@ impl Editor {
 			}
 		}
 
-		let y = footer_top as i32 + 5;
-		if let Some(i) = self.stage {
-			d.draw_text("stage", 370, y, 20, Color::GREEN);
-			let shown_stage = if self.sim_state == SimState::Editing {
-				0
-			} else {
-				i + 1
-			};
-			let text = format!("{shown_stage}/{}", self.level.stages().len());
-			d.draw_text(&text, 370, y + 20, 20, Color::LIGHTGREEN);
-		}
-
-		let output_x = 440;
+		let output_x = 370;
 		let output_cell_width = 43;
 		let output_cells = (d.get_screen_width() - output_x) as usize / output_cell_width as usize;
 
+		let y = footer_top as i32 + 5;
 		if simple_button(d, output_x, y + 70, 65, 15) {
 			self.output_as_text = !self.output_as_text
 		}
diff --git a/src/level.rs b/src/level.rs
index 1d268cf..0a23ed8 100644
--- a/src/level.rs
+++ b/src/level.rs
@@ -67,6 +67,22 @@ impl Level {
 	pub fn stages(&self) -> &[Stage] {
 		&self.stages
 	}
+
+	// pub fn inputs(&self) -> &[u8] {
+	// 	self.inputs.as_bytes()
+	// }
+
+	// pub fn outputs(&self) -> &[u8] {
+	// 	self.outputs.as_bytes()
+	// }
+
+	// pub fn input_is_text(&self) -> bool {
+	// 	matches!(self.inputs, IOData::Text(_))
+	// }
+
+	// pub fn output_is_text(&self) -> bool {
+	// 	matches!(self.outputs, IOData::Text(_))
+	// }
 }
 
 impl Stage {