diff --git a/2023/README.md b/2023/README.md
index bae841d..a5b11c1 100644
--- a/2023/README.md
+++ b/2023/README.md
@@ -4,8 +4,8 @@
 
 | Day  | Part 1 | Part 2 | Language |
 | :--: | :----: | :----: | :------- |
-| [01] |   ✓    |        | [Zig]    |
-| [02] |        |        |          |
+| [01] |   ✓    |   ✓    | [Zig]    |
+| [02] |   ✓    |   ✓    |          |
 | [03] |        |        |          |
 | [04] |        |        |          |
 | [05] |        |        |          |
diff --git a/2023/day-02/common.zig b/2023/day-02/common.zig
new file mode 100644
index 0000000..62bcb59
--- /dev/null
+++ b/2023/day-02/common.zig
@@ -0,0 +1,70 @@
+const std = @import("std");
+const List = std.ArrayList;
+const alloc = std.heap.page_allocator;
+
+pub const Game = struct {
+    id: u32,
+    sets: List(List(Cubes)),
+};
+
+pub const Cubes = struct {
+    amount: u32,
+    color: CubeColor,
+};
+
+pub const CubeColor = enum {
+    red,
+    green,
+    blue,
+};
+
+pub fn parse(data: []const u8) !List(Game) {
+    var lines = std.mem.tokenizeSequence(u8, data, "\n");
+    var games = List(Game).init(alloc);
+
+    while (lines.next()) |line| {
+        var game_seq = std.mem.tokenizeSequence(u8, line, ": ");
+
+        const game_info = game_seq.next().?;
+        const game_id = try std.fmt.parseInt(u32, game_info[5..], 10);
+
+        const game_sets = game_seq.next().?;
+        var sets_seq = std.mem.tokenizeSequence(u8, game_sets, "; ");
+
+        var sets = List(List(Cubes)).init(alloc);
+
+        while (sets_seq.next()) |set| {
+            var items = std.mem.tokenizeSequence(u8, set, ", ");
+
+            var x = List(Cubes).init(alloc);
+
+            while (items.next()) |item| {
+                var cubes_data = std.mem.tokenizeScalar(u8, item, ' ');
+
+                const amount = try std.fmt.parseInt(u32, cubes_data.next().?, 10);
+
+                const color_str = cubes_data.next().?;
+                var color: ?CubeColor = null;
+
+                if (std.mem.eql(u8, color_str, "blue")) {
+                    color = CubeColor.blue;
+                } else if (std.mem.eql(u8, color_str, "red")) {
+                    color = CubeColor.red;
+                } else if (std.mem.eql(u8, color_str, "green")) {
+                    color = CubeColor.green;
+                } else {
+                    unreachable;
+                }
+
+                try x.append(.{ .amount = amount, .color = color.? });
+            }
+
+            try sets.append(x);
+        }
+
+        const game = .{ .id = game_id, .sets = sets };
+        try games.append(game);
+    }
+
+    return games;
+}
diff --git a/2023/day-02/inputs/puzzle.txt b/2023/day-02/inputs/puzzle.txt
new file mode 100644
index 0000000..b768962
--- /dev/null
+++ b/2023/day-02/inputs/puzzle.txt
@@ -0,0 +1,100 @@
+Game 1: 20 green, 3 red, 2 blue; 9 red, 16 blue, 18 green; 6 blue, 19 red, 10 green; 12 red, 19 green, 11 blue
+Game 2: 12 green, 3 blue, 16 red; 6 red, 4 blue, 12 green; 11 green, 4 red, 3 blue; 8 green, 15 red, 5 blue
+Game 3: 13 blue, 4 red, 8 green; 2 green, 4 red, 19 blue; 5 blue; 10 blue, 6 green, 2 red; 19 blue; 8 blue, 6 red
+Game 4: 14 green, 8 blue, 10 red; 11 green, 7 blue, 8 red; 8 green, 18 blue, 11 red
+Game 5: 7 red, 7 green, 1 blue; 2 red, 1 green, 2 blue; 2 blue, 7 green; 7 red, 3 blue, 11 green
+Game 6: 3 green, 1 red, 3 blue; 5 green, 19 red, 8 blue; 7 red, 2 green, 10 blue; 1 blue, 1 green, 12 red; 6 blue, 1 green, 16 red
+Game 7: 1 blue; 2 blue, 11 red, 3 green; 1 blue, 7 red; 2 green, 2 red; 3 green, 4 red, 1 blue; 3 blue, 3 green, 9 red
+Game 8: 4 red, 6 green, 4 blue; 4 red, 1 green; 9 blue, 1 green, 11 red
+Game 9: 3 blue, 17 red, 5 green; 8 blue, 9 green, 1 red; 6 green, 2 blue, 2 red
+Game 10: 3 green, 8 blue; 2 green, 2 red, 3 blue; 1 green, 2 red, 1 blue; 1 red, 3 green, 9 blue; 11 blue; 7 blue
+Game 11: 3 red, 3 blue, 9 green; 3 green, 4 red, 8 blue; 1 red, 12 blue; 2 red, 5 blue, 7 green; 11 blue, 2 red, 6 green
+Game 12: 15 green, 3 blue, 1 red; 10 green, 2 blue, 2 red; 2 blue, 15 green; 1 red, 10 green, 2 blue; 16 green, 2 red
+Game 13: 2 green, 3 blue, 5 red; 9 green, 5 blue, 1 red; 10 blue, 4 red
+Game 14: 1 red, 3 green, 20 blue; 8 red, 5 green, 1 blue; 12 blue, 1 green, 2 red; 8 red, 2 green, 2 blue
+Game 15: 14 blue, 3 green, 8 red; 16 red, 10 blue; 2 green, 10 blue, 9 red; 12 red, 3 blue, 2 green; 4 green, 6 red, 4 blue
+Game 16: 9 green, 7 red, 5 blue; 15 green, 4 red; 3 green, 6 red
+Game 17: 1 green, 7 red, 10 blue; 8 blue, 2 red, 1 green; 7 red, 1 green, 9 blue; 1 red
+Game 18: 2 blue, 1 green, 1 red; 9 red, 4 green, 2 blue; 3 green, 10 red, 1 blue
+Game 19: 1 blue, 5 green, 13 red; 8 green, 15 red, 1 blue; 4 green, 6 red, 1 blue; 2 blue, 3 green; 8 red, 2 blue, 9 green
+Game 20: 1 green, 1 blue, 1 red; 7 blue, 2 red; 3 red, 3 blue, 1 green; 2 blue, 2 red
+Game 21: 1 blue, 2 red, 13 green; 13 green, 5 blue, 7 red; 4 green, 13 red, 2 blue
+Game 22: 7 green, 16 red, 6 blue; 1 red, 5 blue, 10 green; 5 blue, 4 green, 14 red; 6 green, 6 blue; 6 blue, 4 green, 2 red
+Game 23: 2 blue, 3 green, 1 red; 2 blue; 3 red, 4 green
+Game 24: 10 red, 6 green, 12 blue; 1 red, 13 blue, 1 green; 7 blue, 9 green, 1 red; 7 red, 7 green, 5 blue
+Game 25: 13 green, 15 blue, 10 red; 14 green, 6 blue, 1 red; 14 green, 5 red, 15 blue; 7 green, 6 red, 14 blue; 6 red, 2 blue, 17 green; 13 blue, 4 red, 4 green
+Game 26: 16 green, 12 blue; 10 blue, 17 green, 3 red; 12 blue, 12 green; 8 blue, 5 green; 1 red, 10 blue, 2 green
+Game 27: 12 blue, 4 red; 12 blue, 2 green, 1 red; 16 blue, 4 red, 1 green; 11 blue, 3 red; 1 green, 3 red, 1 blue
+Game 28: 16 green, 2 blue, 14 red; 7 blue, 9 red, 8 green; 6 blue, 12 green, 19 red; 9 blue, 10 red, 15 green; 19 red, 7 blue, 10 green; 5 green, 6 red, 3 blue
+Game 29: 1 red, 2 green; 11 blue, 5 green, 4 red; 6 red, 6 green, 12 blue; 14 blue, 5 red, 4 green; 5 green, 8 red, 6 blue; 8 blue, 4 red, 4 green
+Game 30: 15 red, 2 blue, 6 green; 4 red, 3 green, 2 blue; 9 blue, 3 green, 16 red; 1 green, 11 blue, 13 red
+Game 31: 2 blue, 4 green, 3 red; 3 red, 3 blue, 4 green; 1 red, 6 blue; 3 red, 6 blue, 2 green; 3 green, 1 red, 6 blue; 7 green, 1 blue, 2 red
+Game 32: 8 green; 3 blue, 14 green; 8 green, 5 blue, 5 red; 6 green, 9 red, 4 blue
+Game 33: 6 red, 10 green; 8 green; 2 blue, 13 green; 3 red, 2 blue, 1 green; 2 red, 3 green; 2 red, 12 green, 1 blue
+Game 34: 1 blue, 12 red, 1 green; 2 blue, 7 red; 9 blue, 1 red, 1 green
+Game 35: 1 blue, 2 green; 3 red, 1 blue; 2 red; 2 green, 5 red; 1 red, 1 green
+Game 36: 12 green, 3 blue, 6 red; 15 green, 10 blue, 3 red; 5 red, 9 green, 14 blue
+Game 37: 2 red, 13 green, 6 blue; 2 green; 17 green, 9 blue, 4 red; 7 blue, 1 red, 2 green
+Game 38: 9 red, 12 blue; 11 blue, 2 red; 5 red; 10 red, 2 blue; 2 blue, 1 green, 13 red
+Game 39: 11 green, 8 red, 17 blue; 3 red, 3 green, 7 blue; 12 blue, 13 red, 11 green; 17 blue, 11 green, 9 red; 8 blue, 12 green, 2 red
+Game 40: 4 green, 2 red; 5 green, 1 blue, 12 red; 11 red, 2 green; 6 red, 1 green
+Game 41: 13 green, 4 red, 1 blue; 9 green, 1 blue, 3 red; 20 red; 3 green, 19 red, 1 blue
+Game 42: 3 green, 1 red, 6 blue; 6 green, 7 blue; 1 red, 11 green, 6 blue; 5 green, 9 blue, 7 red
+Game 43: 2 blue, 9 green, 9 red; 8 red, 2 green, 10 blue; 15 green, 6 blue; 6 red, 2 blue, 2 green; 2 green, 2 blue, 13 red; 7 green, 6 blue, 6 red
+Game 44: 6 blue, 3 green, 3 red; 4 red, 3 blue; 3 red, 4 green
+Game 45: 2 red, 19 blue; 3 red, 19 blue, 17 green; 12 red, 8 green, 19 blue; 14 green, 11 red, 1 blue; 10 red, 8 green, 1 blue; 6 red, 1 blue, 19 green
+Game 46: 4 red; 8 blue, 3 green; 3 red, 3 green, 1 blue; 4 blue, 2 green, 5 red
+Game 47: 5 blue, 9 red, 2 green; 5 blue, 7 green, 6 red; 13 green, 5 blue, 10 red
+Game 48: 8 green, 12 blue, 1 red; 8 green, 9 blue, 2 red; 8 blue, 12 green, 3 red; 5 green, 13 blue, 2 red
+Game 49: 4 red, 18 blue; 4 blue, 3 red, 2 green; 7 red, 2 green, 10 blue; 1 green, 5 red, 5 blue; 6 blue, 4 red
+Game 50: 13 green, 1 blue, 6 red; 1 blue, 1 red, 13 green; 15 green, 2 red; 1 blue, 1 green, 2 red; 5 green, 1 blue, 1 red; 13 green
+Game 51: 1 green, 6 red; 1 green, 3 blue, 6 red; 7 red, 3 blue; 3 blue, 9 red; 2 blue, 2 red
+Game 52: 2 red, 12 green, 9 blue; 8 green, 2 red, 11 blue; 13 blue, 2 red, 10 green; 5 blue, 2 green
+Game 53: 18 red, 13 blue, 3 green; 10 blue, 6 green, 15 red; 7 red, 1 green, 4 blue; 6 blue, 16 red, 10 green
+Game 54: 4 blue, 5 green; 4 green, 4 blue, 2 red; 2 red; 4 green, 1 red
+Game 55: 7 green, 1 red, 4 blue; 2 green, 7 red, 2 blue; 4 blue, 4 red, 2 green; 3 blue; 5 blue, 6 red, 12 green; 13 green
+Game 56: 10 red, 1 green, 6 blue; 1 blue, 4 green; 4 green, 6 blue, 10 red; 7 green, 4 blue; 10 blue, 7 red, 8 green; 7 blue, 1 green
+Game 57: 8 blue, 2 red, 7 green; 8 blue, 1 red, 11 green; 7 blue, 1 green, 7 red; 7 red, 14 green, 5 blue; 7 red, 4 green, 8 blue
+Game 58: 17 green, 1 red; 7 blue, 2 red, 18 green; 4 red, 15 green, 18 blue
+Game 59: 12 green, 6 blue; 10 green, 8 blue, 2 red; 1 red, 11 green, 1 blue; 4 green, 6 blue, 2 red; 5 blue, 1 green, 2 red
+Game 60: 4 green, 2 red; 2 blue, 6 green, 5 red; 1 red, 3 green, 1 blue; 6 blue, 3 green
+Game 61: 1 red, 1 blue; 5 red, 11 blue, 1 green; 1 red, 13 blue, 1 green
+Game 62: 12 green, 5 blue; 1 blue, 5 red, 18 green; 9 green, 2 red, 10 blue; 11 blue, 7 green; 10 green, 4 red, 3 blue
+Game 63: 15 red, 1 blue, 10 green; 2 green, 11 blue, 1 red; 4 blue, 2 green, 9 red
+Game 64: 11 red, 2 blue; 1 blue, 14 red; 2 green, 2 blue, 12 red; 3 red; 13 red, 1 blue; 1 green, 12 red
+Game 65: 10 blue, 1 red; 12 blue, 1 green; 1 green, 3 blue, 1 red
+Game 66: 5 green, 14 blue; 6 green, 9 blue, 1 red; 6 green, 2 blue; 5 green
+Game 67: 2 blue, 1 red; 3 blue, 1 red; 5 blue, 2 red; 2 red, 7 blue, 2 green; 1 green, 2 blue, 2 red
+Game 68: 2 blue, 13 green; 5 green, 1 red; 2 blue, 9 green, 1 red; 18 green, 1 red
+Game 69: 15 green, 8 red, 8 blue; 5 red, 11 green, 2 blue; 9 red, 6 blue, 11 green; 6 green, 4 red, 5 blue
+Game 70: 4 blue, 2 red; 1 red, 1 green, 1 blue; 5 blue, 1 green, 2 red; 1 blue; 1 red, 1 green; 3 blue
+Game 71: 5 red, 2 blue; 1 blue, 4 green; 10 green, 5 red, 2 blue; 2 blue, 6 green, 4 red
+Game 72: 9 blue, 1 green; 1 red, 5 blue; 7 blue, 1 red, 11 green; 3 green, 1 red, 11 blue
+Game 73: 1 green, 1 red, 10 blue; 12 blue; 2 red, 9 blue
+Game 74: 5 blue; 4 blue, 2 red, 8 green; 1 red, 4 blue, 1 green
+Game 75: 9 green, 9 blue, 10 red; 8 blue, 17 green, 1 red; 3 blue, 2 red, 4 green; 10 blue, 8 green, 7 red; 7 blue, 10 red, 5 green
+Game 76: 11 green, 12 blue, 8 red; 11 red, 11 green, 8 blue; 6 red, 9 blue, 14 green; 14 blue, 12 red, 9 green
+Game 77: 1 red, 3 blue, 2 green; 4 green, 5 blue; 1 blue, 1 red; 3 green, 4 blue, 1 red; 5 green, 1 red, 3 blue; 1 red, 2 green
+Game 78: 10 blue, 4 green, 12 red; 6 green, 10 red, 10 blue; 14 blue, 3 green, 8 red; 5 red, 6 green; 4 green; 20 blue, 5 red, 5 green
+Game 79: 13 green; 15 green, 9 blue, 6 red; 5 red, 10 green, 6 blue; 13 green, 6 red, 4 blue
+Game 80: 1 red, 9 blue; 1 green, 10 blue, 3 red; 9 blue, 1 green, 1 red
+Game 81: 2 blue, 1 red; 2 blue, 5 green; 2 red, 7 green, 2 blue; 3 blue; 2 green, 2 red; 7 green, 2 blue, 1 red
+Game 82: 7 red, 12 blue, 4 green; 9 red, 11 green, 8 blue; 10 blue, 8 red, 9 green; 6 red, 2 blue, 7 green; 12 red, 8 green, 9 blue
+Game 83: 14 blue; 10 blue, 3 red, 4 green; 7 blue, 10 green, 2 red; 3 red, 4 blue, 12 green
+Game 84: 12 red, 13 blue, 2 green; 11 red, 3 green, 15 blue; 15 red, 4 green, 5 blue; 1 red, 3 green, 11 blue; 3 green, 4 red, 3 blue
+Game 85: 8 blue, 1 green, 1 red; 1 red, 8 blue, 4 green; 3 red, 13 blue, 8 green
+Game 86: 9 blue, 4 green, 4 red; 4 red, 2 blue, 4 green; 10 red, 2 green; 7 blue, 4 green, 12 red
+Game 87: 1 blue, 9 green, 10 red; 1 red, 11 blue, 2 green; 17 blue, 3 red
+Game 88: 12 red, 6 green, 9 blue; 18 blue, 17 red, 7 green; 16 red, 6 green; 6 green, 5 red, 12 blue
+Game 89: 12 green, 10 blue, 2 red; 4 blue, 15 green, 1 red; 7 green, 11 blue; 12 green, 7 blue, 2 red; 14 blue, 12 green, 2 red
+Game 90: 14 blue, 1 red, 3 green; 3 green, 2 blue, 3 red; 1 red, 16 blue; 1 green, 10 blue
+Game 91: 11 red, 5 green; 5 red, 5 green, 1 blue; 8 red, 1 blue, 4 green; 1 blue, 3 green, 8 red
+Game 92: 19 green, 2 red, 10 blue; 9 blue, 11 green, 4 red; 10 blue, 5 green, 2 red; 3 red, 5 blue, 7 green
+Game 93: 1 green, 7 blue, 5 red; 9 green, 6 red, 13 blue; 11 blue, 12 red, 7 green; 1 red, 12 blue, 7 green
+Game 94: 4 red, 9 green, 1 blue; 11 green, 11 blue, 4 red; 10 red, 17 blue, 11 green; 5 blue, 12 red, 2 green; 14 blue, 6 green, 5 red; 8 green, 19 blue, 13 red
+Game 95: 5 green, 1 blue, 7 red; 3 blue, 14 red, 17 green; 3 blue, 7 red, 9 green; 17 red, 6 green, 1 blue; 17 red, 4 green
+Game 96: 3 red, 10 green; 9 green, 11 red; 2 red, 6 green, 2 blue; 1 blue, 9 red, 1 green; 12 red, 1 blue; 4 green, 12 red
+Game 97: 3 green, 11 red, 1 blue; 3 green, 13 red, 4 blue; 1 green, 3 blue, 12 red; 4 green, 10 red; 4 blue, 10 green, 12 red
+Game 98: 6 blue, 12 red; 17 red, 1 green, 11 blue; 13 blue, 9 red; 9 red, 6 blue, 2 green
+Game 99: 15 green, 1 blue, 11 red; 12 green, 12 blue, 14 red; 12 green, 10 blue, 1 red
+Game 100: 1 green, 11 red, 4 blue; 4 green, 1 red; 9 red, 2 blue; 5 blue, 11 red, 9 green
\ No newline at end of file
diff --git a/2023/day-02/inputs/sample.txt b/2023/day-02/inputs/sample.txt
new file mode 100644
index 0000000..1cd7d33
--- /dev/null
+++ b/2023/day-02/inputs/sample.txt
@@ -0,0 +1,5 @@
+Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
+Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
+Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
+Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
+Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
\ No newline at end of file
diff --git a/2023/day-02/part_one.zig b/2023/day-02/part_one.zig
new file mode 100644
index 0000000..b617e52
--- /dev/null
+++ b/2023/day-02/part_one.zig
@@ -0,0 +1,45 @@
+const std = @import("std");
+const common = @import("common.zig");
+
+const data = @embedFile("inputs/puzzle.txt");
+
+const MAX_RED = 12;
+const MAX_GREEN = 13;
+const MAX_BLUE = 14;
+
+pub fn main() !void {
+    const stdout = std.io.getStdOut().writer();
+
+    const games = try common.parse(data);
+    defer games.deinit();
+
+    var sum: u32 = 0;
+
+    games: for (games.items) |game| {
+        for (game.sets.items) |set| {
+            for (set.items) |item| {
+                switch (item.color) {
+                    .red => {
+                        if (item.amount > MAX_RED) {
+                            continue :games;
+                        }
+                    },
+                    .green => {
+                        if (item.amount > MAX_GREEN) {
+                            continue :games;
+                        }
+                    },
+                    .blue => {
+                        if (item.amount > MAX_BLUE) {
+                            continue :games;
+                        }
+                    },
+                }
+            }
+        }
+
+        sum += game.id;
+    }
+
+    try stdout.print("{d}\n", .{sum});
+}
diff --git a/2023/day-02/part_two.zig b/2023/day-02/part_two.zig
new file mode 100644
index 0000000..53337f8
--- /dev/null
+++ b/2023/day-02/part_two.zig
@@ -0,0 +1,47 @@
+const std = @import("std");
+const common = @import("common.zig");
+
+const data = @embedFile("inputs/puzzle.txt");
+
+pub fn main() !void {
+    const stdout = std.io.getStdOut().writer();
+
+    const games = try common.parse(data);
+    defer games.deinit();
+
+    var sum: u32 = 0;
+
+    for (games.items) |game| {
+        var min_red: ?u32 = null;
+        var min_green: ?u32 = null;
+        var min_blue: ?u32 = null;
+
+        for (game.sets.items) |set| {
+            for (set.items) |item| {
+                switch (item.color) {
+                    .red => {
+                        if (min_red == null or min_red.? < item.amount) {
+                            min_red = item.amount;
+                        }
+                    },
+                    .green => {
+                        if (min_green == null or min_green.? < item.amount) {
+                            min_green = item.amount;
+                        }
+                    },
+                    .blue => {
+                        if (min_blue == null or min_blue.? < item.amount) {
+                            min_blue = item.amount;
+                        }
+                    },
+                }
+            }
+        }
+
+        const power = min_red.? * min_green.? * min_blue.?;
+
+        sum += power;
+    }
+
+    try stdout.print("{d}\n", .{sum});
+}
diff --git a/README.md b/README.md
index 46f2ca4..1379816 100644
--- a/README.md
+++ b/README.md
@@ -10,4 +10,4 @@
 -   [2020](2020/README.md) (20% completed)
 -   [2021](2021/README.md) (68% completed)
 -   [2022](2022/README.md) (54% completed)
--   [2023](2023/README.md) (2% completed)
+-   [2023](2023/README.md) (8% completed)