diff --git a/Cargo.lock b/Cargo.lock
index 238efc3..bed7c0d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -89,6 +89,7 @@ dependencies = [
 name = "chessfriend_core"
 version = "0.1.0"
 dependencies = [
+ "rand",
  "thiserror",
 ]
 
@@ -222,6 +223,18 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c8cbd1169bd7b4a0a20d92b9af7a7e0422888bd38a6f5ec29c1fd8c1558a272e"
 
+[[package]]
+name = "getrandom"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26145e563e54f2cadc477553f1ec5ee650b00862f0a58bcd12cbdc5f0ea2d2f4"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasi",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -239,9 +252,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.152"
+version = "0.2.172"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13e3bf6590cbc649f4d1a3eefc9d5d6eb746f5200ffb04e5e142700b8faa56e7"
+checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
 
 [[package]]
 name = "linux-raw-sys"
@@ -281,6 +294,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
+dependencies = [
+ "zerocopy",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.95"
@@ -299,6 +321,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
+
 [[package]]
 name = "radix_trie"
 version = "0.2.1"
@@ -309,6 +337,35 @@ dependencies = [
  "nibble_vec",
 ]
 
+[[package]]
+name = "rand"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fbfd9d094a40bf3ae768db9361049ace4c0e04a4fd6b359518bd7b73a73dd97"
+dependencies = [
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "rustix"
 version = "0.38.30"
@@ -417,6 +474,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
+[[package]]
+name = "wasi"
+version = "0.14.2+wasi-0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3"
+dependencies = [
+ "wit-bindgen-rt",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -504,3 +570,32 @@ name = "windows_x86_64_msvc"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.39.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.8.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1702d9583232ddb9174e01bb7c15a2ab8fb1bc6f227aa1233858c351a3ba0cb"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28a6e20d751156648aa063f3800b706ee209a32c0b4d9f24be3d980b01be55ef"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 0905978..26d0835 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -6,4 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+rand = "0.9.1"
 thiserror = "2"
diff --git a/core/src/lib.rs b/core/src/lib.rs
index 6edd924..dcb42a2 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -3,6 +3,7 @@
 pub mod colors;
 pub mod coordinates;
 pub mod pieces;
+pub mod random;
 pub mod shapes;
 
 mod macros;
diff --git a/core/src/random.rs b/core/src/random.rs
new file mode 100644
index 0000000..29b357c
--- /dev/null
+++ b/core/src/random.rs
@@ -0,0 +1,44 @@
+// Eryn Wells <eryn@erynwells.me>
+
+use rand::{rngs::StdRng, RngCore, SeedableRng};
+
+pub struct RandomNumberGenerator {
+    rng: StdRng,
+}
+
+impl RandomNumberGenerator {
+    /// A default value for hashing chess games.
+    ///
+    /// This value is the SHA-256 hash of a PGN I downloaded from the internet
+    /// of the six games Kasparov played against Deep Blue in 1996.
+    #[rustfmt::skip]
+    const DEFAULT_SEED_VALUE: [u8; 32] = [
+        0x22, 0x0b, 0xae, 0xd5, 0xc5, 0xb8, 0x20, 0xb1,
+        0xee, 0x05, 0x4b, 0x72, 0x73, 0x4c, 0x1a, 0xf9,
+        0xc2, 0xb7, 0x5d, 0x87, 0xc8, 0xa9, 0x44, 0x87,
+        0x01, 0xda, 0xdb, 0xe0, 0x8e, 0xf8, 0xe8, 0x77,
+    ];
+
+    #[must_use]
+    pub fn new(seed: <StdRng as SeedableRng>::Seed) -> Self {
+        let rng = StdRng::from_seed(seed);
+
+        Self { rng }
+    }
+
+    #[must_use]
+    pub fn rand(&mut self) -> &mut StdRng {
+        &mut self.rng
+    }
+
+    pub fn next_u64(&mut self) -> u64 {
+        self.rng.next_u64()
+    }
+}
+
+impl Default for RandomNumberGenerator {
+    fn default() -> Self {
+        let rng = StdRng::from_seed(Self::DEFAULT_SEED_VALUE);
+        Self { rng }
+    }
+}