diff --git a/input/2023/day2.txt b/input/2023/day2.txt
new file mode 100644
index 0000000..f8f4a28
--- /dev/null
+++ b/input/2023/day2.txt
@@ -0,0 +1,100 @@
+Game 1: 7 red, 8 blue; 6 blue, 6 red, 2 green; 2 red, 6 green, 8 blue; 9 green, 2 red, 4 blue; 6 blue, 4 green
+Game 2: 2 green, 8 blue, 9 red; 5 blue, 11 red; 5 blue, 3 green, 4 red; 7 blue, 8 red; 5 red, 3 green, 3 blue; 1 red, 5 blue, 2 green
+Game 3: 4 red, 8 green, 2 blue; 6 green, 2 red, 2 blue; 12 red, 12 green, 2 blue; 10 green, 6 red
+Game 4: 12 red, 3 green; 1 green, 2 blue, 2 red; 16 red, 4 green; 14 red, 3 green; 2 blue, 5 red; 11 red, 4 green
+Game 5: 19 red, 1 green; 7 red, 1 green, 1 blue; 7 red; 13 red, 2 green
+Game 6: 8 green, 2 blue, 2 red; 1 red, 7 green; 6 green, 8 blue, 3 red; 14 green, 2 red, 9 blue; 13 green; 10 blue, 2 red, 4 green
+Game 7: 2 red, 7 green; 9 red, 5 blue, 18 green; 16 blue, 10 green, 6 red; 13 blue, 12 green, 6 red; 19 blue, 12 red, 11 green
+Game 8: 5 blue, 3 red, 1 green; 8 red, 1 blue, 3 green; 8 green, 9 blue, 8 red; 5 blue, 11 green, 3 red; 2 red, 3 blue, 1 green; 3 green, 7 red
+Game 9: 3 red, 3 blue; 7 green, 9 blue, 14 red; 12 blue, 9 green, 3 red
+Game 10: 6 blue, 1 green, 1 red; 17 red, 8 blue, 1 green; 4 blue, 10 red
+Game 11: 2 green, 1 blue, 8 red; 14 red, 5 blue, 10 green; 14 blue, 6 red, 9 green; 7 red, 1 blue, 1 green
+Game 12: 16 green, 1 blue; 1 green, 4 blue; 1 red, 2 blue, 16 green; 17 green, 3 blue; 14 green, 4 blue, 3 red; 7 green, 8 blue
+Game 13: 13 red, 10 blue, 19 green; 2 blue, 12 red, 8 green; 8 blue, 11 red, 13 green
+Game 14: 16 red, 7 blue, 7 green; 8 green, 10 red, 6 blue; 6 blue, 11 red, 4 green
+Game 15: 6 red, 10 blue, 2 green; 10 red, 1 blue, 1 green; 5 blue, 3 red, 2 green; 16 blue, 10 red, 2 green; 13 blue
+Game 16: 8 green, 10 red, 1 blue; 6 red, 9 green, 12 blue; 7 blue, 3 green, 1 red; 5 red, 6 blue, 3 green; 1 blue, 6 green, 8 red; 6 green, 8 red
+Game 17: 4 green, 4 blue; 2 green, 2 red; 1 red, 8 green, 7 blue
+Game 18: 6 blue, 8 green, 9 red; 4 green, 3 blue, 8 red; 8 blue, 12 red, 2 green; 4 blue, 8 red, 2 green
+Game 19: 12 blue, 3 green; 2 blue, 2 green, 4 red; 3 green, 6 red, 14 blue; 3 green, 1 red, 17 blue; 10 green, 10 red, 1 blue; 8 green, 8 blue, 4 red
+Game 20: 4 green, 3 blue, 1 red; 9 red, 14 blue, 9 green; 1 blue, 17 red, 2 green; 8 red, 13 blue, 8 green; 7 red, 2 green, 20 blue; 6 green, 13 red, 5 blue
+Game 21: 7 red, 1 blue; 1 blue, 5 red, 4 green; 5 green, 5 red; 7 red, 2 green; 4 green, 2 red, 1 blue
+Game 22: 6 red, 8 green, 18 blue; 2 green, 7 blue, 2 red; 18 blue, 8 green, 1 red; 10 red, 7 green, 20 blue; 5 blue, 10 green, 4 red
+Game 23: 2 green, 2 red, 15 blue; 2 red, 6 green, 4 blue; 8 red, 5 green
+Game 24: 9 blue, 7 green; 3 green, 9 blue, 1 red; 2 red, 6 blue; 3 green, 11 blue, 4 red
+Game 25: 2 green, 3 red, 5 blue; 2 red, 5 green; 3 red, 2 blue, 5 green; 1 blue, 4 green, 3 red
+Game 26: 1 green, 7 red; 6 green, 2 blue, 7 red; 11 green, 3 blue, 1 red; 6 red, 5 blue; 1 blue, 5 green; 8 green
+Game 27: 2 green, 10 red, 3 blue; 5 red, 5 green; 2 green, 4 blue, 10 red; 4 red, 1 blue; 3 green, 3 blue, 2 red; 8 blue, 2 green
+Game 28: 9 red, 7 blue; 6 blue, 11 red; 10 red, 10 blue, 3 green
+Game 29: 15 blue, 10 green, 1 red; 1 blue, 10 green; 2 red, 19 green, 14 blue; 4 blue, 18 green, 7 red; 8 blue, 10 green, 5 red
+Game 30: 7 blue, 3 green, 2 red; 12 blue, 5 green; 1 red, 5 green, 5 blue
+Game 31: 6 green, 5 red; 7 red, 7 green, 5 blue; 2 red, 7 blue, 7 green; 2 red, 8 blue, 7 green
+Game 32: 9 red, 2 green, 2 blue; 3 blue, 7 green, 3 red; 2 blue, 1 red
+Game 33: 13 blue, 7 red, 1 green; 5 red, 17 blue, 1 green; 2 green, 14 red, 19 blue; 2 blue, 1 red; 13 blue, 8 red; 3 blue, 15 red
+Game 34: 3 blue, 4 red, 1 green; 7 green, 2 blue; 17 green, 1 red; 7 green, 3 blue; 2 red, 1 green; 2 blue, 1 green, 2 red
+Game 35: 5 red, 2 green, 4 blue; 5 blue; 2 blue, 4 green, 4 red; 8 green, 1 blue, 5 red; 3 green, 3 blue, 5 red
+Game 36: 4 blue, 4 red, 4 green; 8 red, 8 blue, 4 green; 3 green, 9 red, 5 blue; 1 red, 4 green, 13 blue; 7 blue, 9 green, 9 red; 13 blue, 8 red
+Game 37: 6 green, 10 red, 5 blue; 5 red, 9 green, 2 blue; 4 red, 4 blue, 1 green; 12 green, 3 red, 2 blue; 4 red, 11 green, 1 blue
+Game 38: 3 red; 1 blue, 3 red; 2 red, 2 green; 2 blue, 3 green; 4 green, 2 blue, 2 red; 3 red, 2 blue
+Game 39: 6 red, 4 blue, 9 green; 17 blue, 2 green, 3 red; 5 red, 15 green, 12 blue; 3 red, 5 green, 8 blue
+Game 40: 20 red, 10 blue, 8 green; 7 red, 3 green, 10 blue; 14 green, 8 blue, 14 red; 4 red, 9 blue, 8 green; 11 red, 4 blue, 8 green
+Game 41: 2 blue; 4 red, 2 blue, 2 green; 5 green, 9 red, 3 blue; 8 red, 4 green
+Game 42: 3 red, 13 blue; 2 blue, 1 green; 6 green, 16 blue, 10 red
+Game 43: 9 red, 1 green; 1 green, 7 blue, 8 red; 8 blue, 2 green, 5 red
+Game 44: 15 blue, 5 green; 5 green, 1 red, 6 blue; 1 red, 4 blue
+Game 45: 3 green; 2 blue, 1 green; 4 green, 4 blue; 1 red, 5 blue, 11 green
+Game 46: 20 green, 10 blue, 10 red; 4 red, 13 green, 1 blue; 2 red, 2 green, 10 blue
+Game 47: 5 blue, 2 red, 3 green; 5 blue, 2 red, 1 green; 2 green, 3 red, 5 blue; 1 red, 4 green, 4 blue; 2 blue
+Game 48: 2 red, 10 blue, 1 green; 6 blue, 6 green, 6 red; 11 blue, 7 red, 5 green; 1 red, 6 green, 14 blue; 1 green, 9 blue, 3 red
+Game 49: 3 blue, 16 green, 6 red; 14 red, 3 green, 5 blue; 12 green, 6 red, 4 blue; 4 red, 6 blue, 15 green; 6 green, 11 blue, 9 red
+Game 50: 1 green, 7 red, 2 blue; 3 green, 2 blue, 5 red; 4 red, 2 blue, 4 green
+Game 51: 3 green, 7 red; 2 red, 4 green, 2 blue; 10 green, 3 blue, 6 red; 1 blue, 11 green; 1 green, 3 blue; 2 blue, 7 green
+Game 52: 2 green, 1 blue, 2 red; 7 red, 3 green; 2 blue, 8 green; 1 blue, 13 green, 6 red
+Game 53: 7 red, 2 green; 1 blue, 16 red, 7 green; 12 red, 7 green; 1 blue, 11 red, 5 green
+Game 54: 1 green, 1 blue, 16 red; 4 blue, 1 green, 6 red; 4 red, 1 blue, 3 green; 1 green, 4 red, 4 blue; 1 red, 2 green
+Game 55: 2 blue, 2 green, 5 red; 1 blue, 4 red, 5 green; 2 blue, 2 green, 6 red; 2 blue, 5 red, 6 green; 6 green, 1 red
+Game 56: 3 red, 14 green, 14 blue; 7 green, 14 red, 13 blue; 12 red, 13 blue, 6 green
+Game 57: 6 red, 11 green, 5 blue; 6 blue, 2 green, 4 red; 4 red, 6 green; 4 green, 1 red, 2 blue; 1 green, 5 blue
+Game 58: 8 red, 6 green, 10 blue; 8 blue, 9 red; 1 red, 12 blue, 1 green; 5 green, 3 blue, 8 red; 9 blue, 2 green, 4 red
+Game 59: 11 green, 1 red; 5 red, 10 blue, 12 green; 6 red, 6 blue, 2 green; 1 blue, 10 green, 4 red; 8 green, 11 blue; 6 blue, 1 red, 11 green
+Game 60: 16 green, 14 red, 1 blue; 2 blue, 8 green; 14 green; 1 green, 11 red, 2 blue; 1 blue, 11 green
+Game 61: 11 blue, 3 green, 1 red; 9 red, 18 green; 7 red, 15 green, 5 blue; 19 blue, 2 green
+Game 62: 2 green, 2 blue; 1 green, 3 red; 1 blue, 4 red, 8 green; 2 blue, 11 green; 5 red, 9 green; 7 green, 1 blue, 8 red
+Game 63: 14 blue, 6 red, 5 green; 3 blue, 10 red; 8 blue, 1 green, 8 red; 9 blue, 14 red, 4 green
+Game 64: 8 blue, 3 green, 1 red; 1 green, 13 blue; 4 green, 15 blue, 1 red; 9 blue, 3 green
+Game 65: 5 red, 5 green, 3 blue; 7 red, 2 blue, 1 green; 2 blue, 7 red, 2 green; 6 green, 12 red, 2 blue
+Game 66: 9 blue, 1 green, 1 red; 8 blue, 2 red, 2 green; 1 red, 1 green; 2 green, 1 red, 5 blue; 14 blue, 2 red; 2 red, 13 blue, 2 green
+Game 67: 7 green, 2 blue, 3 red; 16 red, 15 blue, 4 green; 6 green, 3 blue, 1 red; 1 red, 5 green, 9 blue
+Game 68: 11 blue, 4 red; 6 red, 1 blue; 1 green, 8 red, 11 blue; 10 blue, 7 red; 7 blue, 2 red; 9 blue, 1 green, 11 red
+Game 69: 9 red, 8 green, 6 blue; 2 blue, 3 red; 4 green, 9 blue, 9 red; 3 blue, 5 green, 5 red; 1 green, 7 red, 5 blue; 1 blue, 3 green, 9 red
+Game 70: 5 blue, 1 green, 3 red; 1 red, 5 green, 3 blue; 4 green, 3 blue; 2 green, 8 blue; 10 blue, 12 green
+Game 71: 1 green, 5 blue, 14 red; 6 red, 2 green, 5 blue; 7 blue, 5 green, 2 red; 2 green, 2 red, 1 blue; 6 red, 5 green; 6 red
+Game 72: 12 red, 6 green; 11 red, 2 green; 3 green, 1 red; 14 red, 5 green, 1 blue
+Game 73: 3 green, 3 red; 4 green, 4 red, 5 blue; 2 red, 5 blue, 2 green; 4 green, 8 red, 6 blue
+Game 74: 12 red, 1 blue; 3 blue, 17 red, 1 green; 5 red, 1 blue
+Game 75: 14 green, 1 red; 3 green, 5 red, 16 blue; 10 blue, 20 green, 5 red
+Game 76: 4 green, 9 blue, 12 red; 4 blue, 6 red, 3 green; 10 red, 8 green, 1 blue; 9 red, 6 green, 1 blue; 8 blue, 1 green, 6 red; 8 blue, 3 red
+Game 77: 7 red, 12 blue, 10 green; 12 green; 8 red, 8 blue, 4 green; 11 green, 9 red, 9 blue
+Game 78: 9 green, 14 blue, 16 red; 7 blue, 8 green, 1 red; 5 green, 13 red, 7 blue; 9 green, 6 red
+Game 79: 2 red, 3 blue, 8 green; 1 green; 1 blue, 2 green, 1 red; 1 green; 4 blue, 2 green, 1 red
+Game 80: 8 red, 3 blue, 10 green; 12 red; 13 red, 4 green, 6 blue; 2 red, 14 blue, 9 green; 13 blue, 1 red, 5 green; 13 blue, 9 red, 2 green
+Game 81: 2 green, 4 blue, 9 red; 1 red, 6 blue, 14 green; 4 green, 1 blue, 5 red; 3 blue, 8 red, 9 green; 6 blue, 5 green, 11 red
+Game 82: 6 blue, 6 red, 13 green; 5 blue, 4 green, 7 red; 1 green, 1 blue, 2 red
+Game 83: 2 red, 8 green; 7 red, 7 green; 11 red, 6 green; 14 red, 2 green, 2 blue; 2 green, 1 blue; 8 green, 11 red, 2 blue
+Game 84: 3 blue, 4 green, 9 red; 7 blue, 13 green, 17 red; 14 blue, 16 green, 14 red; 7 blue, 16 green, 3 red; 9 red, 2 blue, 14 green; 13 blue, 3 green, 7 red
+Game 85: 1 green, 6 red, 2 blue; 1 blue, 8 green, 5 red; 11 green, 1 red
+Game 86: 2 green, 6 blue, 2 red; 4 green, 3 blue, 3 red; 3 blue, 5 green, 8 red; 1 red; 9 red, 4 blue, 2 green; 4 green, 8 blue, 9 red
+Game 87: 1 red, 3 blue, 2 green; 14 red, 8 blue, 2 green; 9 blue, 13 red, 5 green; 5 green, 2 blue; 1 green, 10 blue, 14 red; 6 blue, 12 red, 15 green
+Game 88: 3 red, 7 green, 1 blue; 2 blue, 4 red, 4 green; 13 green, 3 red, 4 blue
+Game 89: 2 red, 14 green, 1 blue; 6 green, 2 red; 8 red, 8 green; 1 blue; 4 red, 1 blue, 15 green; 1 blue, 1 green, 8 red
+Game 90: 4 red, 4 blue; 9 red, 7 blue, 2 green; 9 blue, 8 red; 3 red, 1 blue; 15 blue, 9 red; 4 red, 4 blue, 2 green
+Game 91: 14 green, 4 red; 10 red, 13 green, 5 blue; 1 green, 7 red, 20 blue
+Game 92: 10 green, 7 blue; 12 green, 4 blue; 12 green, 4 red
+Game 93: 1 blue, 6 red; 2 blue, 10 red, 2 green; 2 green, 2 blue; 4 red, 2 blue; 4 red, 3 green
+Game 94: 2 red, 1 blue; 7 red, 1 green, 1 blue; 1 blue, 5 red; 1 green, 10 red
+Game 95: 1 red, 10 blue; 6 red, 4 blue; 2 blue, 4 red; 1 red, 2 green, 7 blue; 1 red, 6 blue
+Game 96: 1 green, 16 blue, 1 red; 7 red, 10 blue, 1 green; 18 blue, 12 red
+Game 97: 5 blue, 3 red, 8 green; 7 red, 14 green, 1 blue; 11 green
+Game 98: 1 green, 12 blue, 7 red; 6 red, 7 blue, 1 green; 5 red, 11 blue, 1 green; 2 green, 8 red, 8 blue
+Game 99: 11 red, 7 blue, 15 green; 3 red, 11 green, 5 blue; 19 green, 5 red, 1 blue; 7 green, 4 red
+Game 100: 10 red; 11 blue, 12 red; 1 green, 7 blue, 6 red
diff --git a/src/day02.rs b/src/day02.rs
new file mode 100644
index 0000000..6993f11
--- /dev/null
+++ b/src/day02.rs
@@ -0,0 +1,111 @@
+use aoc_runner_derive::{aoc, aoc_generator};
+use nom::{
+    branch::alt,
+    bytes::complete::tag,
+    character::complete::multispace0,
+    combinator::map,
+    multi::separated_list0,
+    sequence::{delimited, pair, terminated},
+    Finish, IResult,
+};
+
+#[derive(Debug)]
+struct Game {
+    num: u32,
+    draws: Vec<CubeDraw>,
+}
+
+#[derive(Debug)]
+enum Color {
+    Red,
+    Green,
+    Blue,
+}
+
+#[derive(Debug)]
+struct CubeDraw {
+    color: Color,
+    num: u32,
+}
+
+fn parse_color(input: &str) -> IResult<&str, Color> {
+    let red = map(tag("red"), |_| Color::Red);
+    let green = map(tag("green"), |_| Color::Green);
+    let blue = map(tag("blue"), |_| Color::Blue);
+    alt((red, green, blue))(input)
+}
+
+fn parse_cube_draw(input: &str) -> IResult<&str, CubeDraw> {
+    let parse_num = terminated(nom::character::complete::u32, multispace0);
+    map(pair(parse_num, parse_color), |(num, color)| CubeDraw {
+        num,
+        color,
+    })(input)
+}
+
+fn parse_subset(input: &str) -> IResult<&str, Vec<CubeDraw>> {
+    separated_list0(tag(", "), parse_cube_draw)(input)
+}
+
+fn parse_game(input: &str) -> IResult<&str, Game> {
+    map(
+        pair(
+            delimited(tag("Game "), nom::character::complete::u32, tag(": ")),
+            separated_list0(tag("; "), parse_subset),
+        ),
+        |(num, subsets)| Game {
+            num,
+            draws: subsets.into_iter().flatten().collect::<Vec<_>>(),
+        },
+    )(input)
+}
+
+#[aoc_generator(day2)]
+fn input_generator(input: &str) -> Vec<Game> {
+    input
+        .split('\n')
+        .map(|line| parse_game(line).finish().unwrap().1)
+        .collect()
+}
+
+#[aoc(day2, part1)]
+fn part1(input: &[Game]) -> u32 {
+    let max_red = 12;
+    let max_green = 13;
+    let max_blue = 14;
+    input
+        .iter()
+        .filter(|game| {
+            game.draws
+                .iter()
+                .map(|draw| match draw.color {
+                    Color::Red => draw.num <= max_red,
+                    Color::Green => draw.num <= max_green,
+                    Color::Blue => draw.num <= max_blue,
+                })
+                .all(|x| x)
+        })
+        .map(|game| game.num)
+        .sum()
+}
+
+#[aoc(day2, part2)]
+fn part2(input: &[Game]) -> u32 {
+    input
+        .iter()
+        .map(|game| {
+            game.draws.iter().fold(
+                (0, 0, 0),
+                |(mut max_red, mut max_green, mut max_blue), draw| {
+                    match draw.color {
+                        Color::Red => max_red = u32::max(max_red, draw.num),
+                        Color::Green => max_green = u32::max(max_green, draw.num),
+                        Color::Blue => max_blue = u32::max(max_blue, draw.num),
+                    }
+                    (max_red, max_green, max_blue)
+                },
+            )
+        })
+        .map(|(max_red, max_green, max_blue)| max_red * max_blue * max_green)
+        .sum()
+}
diff --git a/src/lib.rs b/src/lib.rs
index 55cd818..e1cfc0b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,6 @@
 use aoc_runner_derive::aoc_lib;
 
 mod day01;
+mod day02;
 
 aoc_lib! { year = 2023 }