diff --git a/README.md b/README.md
index acf3afc..eecd7b5 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,11 @@
 # snake6502
 
+![Gameplay screenshot](scrot/gameplay.png)
+
 *snake6502* is a snake-like game clone for Commodore home computers, written for fun because «I always wanted to code something for a computer of my retrocomputers collection – actually, this is the main reason I collect them: to write programs».
 
 ## Compile
-You need the [dasm](https://dasm-assembler.github.io/) macro assembler, then:
+You need the GNU compiler collection and the [dasm](https://dasm-assembler.github.io/) macro assembler, then:
 ```
 $ make
 ```
diff --git a/scrot/gameplay.png b/scrot/gameplay.png
new file mode 100644
index 0000000..d82b518
Binary files /dev/null and b/scrot/gameplay.png differ
diff --git a/src/game.asm b/src/game.asm
index cee09b0..f24fa52 100644
--- a/src/game.asm
+++ b/src/game.asm
@@ -207,7 +207,7 @@ foodEaten:
     inx
     stx length
 
-    cpx #$40            ; check if level is finished
+    cpx #$0a            ; check if level is finished
     bne genFood         ; if not, skip
     clc
     lda score           ; else increment total score