diff --git a/src/init.rs b/src/init.rs
new file mode 100644
index 0000000..8d6c4d0
--- /dev/null
+++ b/src/init.rs
@@ -0,0 +1,62 @@
+use anyhow::Result;
+use dialoguer::{Confirm, Select};
+use std::path::Path;
+
+use crate::config::EngineKind;
+
+pub fn handle_init(game_id: String, branch: String, engine: Option<EngineKind>) -> Result<()> {
+    let path = Path::new("./wavedash.toml");
+
+    if path.exists() {
+        let overwrite = Confirm::new()
+            .with_prompt("wavedash.toml already exists. Overwrite?")
+            .default(false)
+            .interact()?;
+
+        if !overwrite {
+            println!("Aborted.");
+            return Ok(());
+        }
+    }
+
+    let engine = match engine {
+        Some(e) => e,
+        None => {
+            let items = &["Godot", "Unity", "Custom"];
+            let selection = Select::new()
+                .with_prompt("Select engine")
+                .items(items)
+                .default(0)
+                .interact()?;
+
+            match selection {
+                0 => EngineKind::Godot,
+                1 => EngineKind::Unity,
+                2 => EngineKind::Custom,
+                _ => unreachable!(),
+            }
+        }
+    };
+
+    let engine_section = match engine {
+        EngineKind::Godot => "[godot]\nversion = \"4.3\"\n".to_string(),
+        EngineKind::Unity => "[unity]\nversion = \"6000.0\"\n".to_string(),
+        EngineKind::Custom => {
+            "[custom]\nversion = \"1.0\"\nentrypoint = \"index.html\"\n".to_string()
+        }
+    };
+
+    let content = format!(
+        "game_id = \"{game_id}\"\n\
+         branch = \"{branch}\"\n\
+         upload_dir = \"./build\"\n\
+         version = \"0.0.1\"\n\
+         \n\
+         {engine_section}"
+    );
+
+    std::fs::write(path, &content)?;
+    println!("✓ Created wavedash.toml");
+
+    Ok(())
+}
diff --git a/src/main.rs b/src/main.rs
index 8851585..3be2be0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,6 +3,7 @@ mod builds;
 mod config;
 mod dev;
 mod file_staging;
+mod init;
 mod updater;
 
 use anyhow::Result;
@@ -12,6 +13,23 @@ use clap::{Parser, Subcommand};
 use dev::handle_dev;
 use std::path::PathBuf;
 
+#[derive(Clone, clap::ValueEnum)]
+enum EngineArg {
+    Godot,
+    Unity,
+    Custom,
+}
+
+impl From<EngineArg> for config::EngineKind {
+    fn from(arg: EngineArg) -> Self {
+        match arg {
+            EngineArg::Godot => config::EngineKind::Godot,
+            EngineArg::Unity => config::EngineKind::Unity,
+            EngineArg::Custom => config::EngineKind::Custom,
+        }
+    }
+}
+
 fn mask_token(token: &str) -> String {
     if token.len() > 10 {
         format!("{}...{}", &token[..6], &token[token.len() - 3..])
@@ -51,6 +69,15 @@ enum Commands {
         #[arg(long = "no-open", help = "Don't open the sandbox URL in the browser")]
         no_open: bool,
     },
+    #[command(about = "Initialize a new wavedash.toml config file")]
+    Init {
+        #[arg(long)]
+        game_id: String,
+        #[arg(long)]
+        branch: String,
+        #[arg(long, value_enum)]
+        engine: Option<EngineArg>,
+    },
     #[command(about = "Check for and install updates")]
     Update,
 }
@@ -153,6 +180,13 @@ async fn main() -> Result<()> {
         Commands::Dev { config, no_open } => {
             handle_dev(config, cli.verbose, no_open).await?;
         }
+        Commands::Init {
+            game_id,
+            branch,
+            engine,
+        } => {
+            init::handle_init(game_id, branch, engine.map(|e| e.into()))?;
+        }
         Commands::Update => {
             updater::run_update().await?;
         }