diff --git a/assets/sprites/coin.ppm b/assets/sprites/coin.ppm
index 70d89cb..74e1a8e 100644
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diff --git a/assets/sprites/empty.ppm b/assets/sprites/empty.ppm
index 3513d67..77db2e7 100644
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diff --git a/assets/sprites/ghost.ppm b/assets/sprites/ghost.ppm
index 7296c19..803ed87 100644
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diff --git a/assets/sprites/placeholder.ppm b/assets/sprites/placeholder.ppm
index 2b76098..552f478 100644
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diff --git a/assets/sprites/robot.ppm b/assets/sprites/robot.ppm
index 3060135..237c4e2 100644
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diff --git a/assets/sprites/wall_corner.ppm b/assets/sprites/wall_corner.ppm
index 6359619..b6af500 100644
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diff --git a/assets/sprites/wall_end.ppm b/assets/sprites/wall_end.ppm
index 3210f76..a62a040 100644
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diff --git a/assets/sprites/wall_straight.ppm b/assets/sprites/wall_straight.ppm
index 3aa5fa3..c2ce0b1 100644
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