diff --git a/assets/sprites/coin.ppm b/assets/sprites/coin.ppm
index 74e1a8e..a375c22 100644
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diff --git a/assets/sprites/ghost.ppm b/assets/sprites/ghost.ppm
index 803ed87..32674d4 100644
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diff --git a/assets/sprites/robot.ppm b/assets/sprites/robot.ppm
index 237c4e2..d8c3f11 100644
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diff --git a/assets/sprites/wall_corner.ppm b/assets/sprites/wall_corner.ppm
index b6af500..8651682 100644
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diff --git a/assets/sprites/wall_end.ppm b/assets/sprites/wall_end.ppm
index a62a040..18aa7f6 100644
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diff --git a/assets/sprites/wall_straight.ppm b/assets/sprites/wall_straight.ppm
index c2ce0b1..8f34647 100644
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