diff --git a/assets/backgrounds/e04/02-hall.png b/assets/backgrounds/e04/02-hall.png
index b74b32c..f871221 100644
--- a/assets/backgrounds/e04/02-hall.png
+++ b/assets/backgrounds/e04/02-hall.png
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diff --git a/assets/sprites/e04/puerta-h.png b/assets/sprites/e04/puerta-h.png
new file mode 100644
index 0000000..c110c57
--- /dev/null
+++ b/assets/sprites/e04/puerta-h.png
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diff --git a/assets/sprites/e04/puerta-v1.png b/assets/sprites/e04/puerta-v1.png
new file mode 100644
index 0000000..6ed9f0e
--- /dev/null
+++ b/assets/sprites/e04/puerta-v1.png
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diff --git a/assets/sprites/e04/puerta-v2.png b/assets/sprites/e04/puerta-v2.png
new file mode 100644
index 0000000..ccb9af1
--- /dev/null
+++ b/assets/sprites/e04/puerta-v2.png
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