diff --git a/day_2/part_1.php b/day_2/part_1.php
new file mode 100644
index 0000000..2d13ceb
--- /dev/null
+++ b/day_2/part_1.php
@@ -0,0 +1,40 @@
+<?php
+
+$rounds = explode("\n", file_get_contents('./input.txt'));
+
+$total_score = 0;
+
+$types = [
+    'A' => 'rock',
+    'X' => 'rock',
+    'B' => 'paper',
+    'Y' => 'paper',
+    'C' => 'scissor',
+    'Z' => 'scissor',
+];
+
+$shapes = [
+    'rock'    => 1,
+    'paper'   => 2,
+    'scissor' => 3,
+];
+
+foreach ($rounds as $round) {
+    [$opponent, $you] = explode(' ', $round);
+    $opponent = $types[$opponent];
+    $you = $types[$you];
+
+    if ($you === $opponent) {
+        $total_score += 3;
+    } elseif (
+        ($opponent === 'rock' && $you === 'paper') ||
+        ($opponent === 'paper' && $you === 'scissor') ||
+        ($opponent === 'scissor' && $you === 'rock')
+    ) {
+        $total_score += 6;
+    }
+
+    $total_score += $shapes[$you];
+}
+
+echo $total_score;
\ No newline at end of file
diff --git a/day_2/part_2.php b/day_2/part_2.php
new file mode 100644
index 0000000..9c4f36a
--- /dev/null
+++ b/day_2/part_2.php
@@ -0,0 +1,61 @@
+<?php
+
+$rounds = explode("\n", file_get_contents('./input.txt'));
+
+$total_score = 0;
+
+$types = [
+    'A' => 'rock',
+    'B' => 'paper',
+    'C' => 'scissor',
+    'X' => 'lose',
+    'Y' => 'draw',
+    'Z' => 'win',
+];
+
+$shapes = [
+    'rock'    => 1,
+    'paper'   => 2,
+    'scissor' => 3,
+];
+
+foreach ($rounds as $round) {
+    [$opponent, $needs_to_end] = explode(' ', $round);
+    $opponent = $types[$opponent];
+    $needs_to_end = $types[$needs_to_end];
+
+    switch ($needs_to_end) {
+        case 'draw':
+            $total_score += 3;
+            $total_score += $shapes[$opponent];
+            break;
+        case 'win':
+            $total_score += 6;
+            switch ($opponent) {
+                case 'rock':
+                    $total_score += $shapes['paper'];
+                    break;
+                case 'paper':
+                    $total_score += $shapes['scissor'];
+                    break;
+                case 'scissor':
+                    $total_score += $shapes['rock'];
+                    break;
+            }
+            break;
+        case 'lose':
+            switch ($opponent) {
+                case 'rock':
+                    $total_score += $shapes['scissor'];
+                    break;
+                case 'paper':
+                    $total_score += $shapes['rock'];
+                    break;
+                case 'scissor':
+                    $total_score += $shapes['paper'];
+                    break;
+            }
+    }
+}
+
+echo $total_score;
\ No newline at end of file