diff --git a/cli/main.ts b/cli/main.ts
index 5d23fd4..ced4559 100644
--- a/cli/main.ts
+++ b/cli/main.ts
@@ -4,12 +4,12 @@ import {
   collageModeType,
   DisplayCollageModeType,
   displayCollageModeType,
-  isDisplayCollageModeType,
 } from "../src/common/collages.ts";
 import { denoCollageModes, ProxyImage } from "./collages.ts";
 import { CollageConfig } from "../src/common/types.ts";
 import { choice, shuffle } from "../src/common/utils.ts";
 import { walkSync } from "https://deno.land/std@0.107.0/fs/mod.ts";
+import { parseCollageModes, parseDisplayCollageModes } from "./util.ts";
 
 const args = parse(Deno.args, {
   alias: {
@@ -18,11 +18,14 @@ const args = parse(Deno.args, {
     o: "output",
     m: "mode",
   },
+  boolean: ["rr"],
   default: {
     w: 640,
     h: 640,
     include: "*.png, *.jpg",
     output: "collage.png",
+    rl: 3,
+    rr: true
   },
 });
 
@@ -61,18 +64,7 @@ const shuffledFiles = shuffle(Array.from(files));
 
 const images: ProxyImage[] = shuffledFiles.map((file) => new ProxyImage(file));
 
-const allModeKeys: DisplayCollageModeType[] = [];
-if (args["mode"]) {
-  (args["mode"] as string).split(",").map((m) => m.trim()).forEach((m) => {
-    if (isDisplayCollageModeType(m)) {
-      allModeKeys.push(m);
-    } else {
-      throw Error(`"${m}" is not a valid collage mode.`);
-    }
-  });
-} else {
-  allModeKeys.push(...displayCollageModeType);
-}
+const allModeKeys = args["mode"] ? parseDisplayCollageModes(args["mode"]) : displayCollageModeType;
 
 const canvas = createCanvas(args["width"], args["height"]);
 const context = canvas.getContext("2d");
@@ -87,9 +79,9 @@ if (modeKey === "recursive") {
     `Creating a recursive collage, choosing from ${shuffledFiles.length} files...`,
   );
   await denoCollageModes.recursiveDraw(context, images, {
-    modes: collageModeType,
-    repeat: true,
-    level: 3,
+    modes: args["rm"] ? parseCollageModes(args["rm"]) : collageModeType,
+    repeat: args["rr"],
+    level: args["rl"],
   });
 } else {
   const mode = denoCollageModes.modes[modeKey];
@@ -106,4 +98,4 @@ if (modeKey === "recursive") {
 
 const output = args["output"];
 console.log(`Saving to "${output}"...`);
-await Deno.writeFile(output, canvas.toBuffer());
+await Deno.writeFile(output, canvas.toBuffer());
\ No newline at end of file
diff --git a/cli/util.ts b/cli/util.ts
new file mode 100644
index 0000000..0444a49
--- /dev/null
+++ b/cli/util.ts
@@ -0,0 +1,29 @@
+import { CollageModeType, DisplayCollageModeType, isCollageModeType, isDisplayCollageModeType } from "../src/common/collages.ts";
+
+export function parseDisplayCollageModes(input: string): DisplayCollageModeType[] {
+    const result: DisplayCollageModeType[] = [];
+
+    input.split(",").map((m) => m.trim()).forEach((m) => {
+        if (isDisplayCollageModeType(m)) {
+            result.push(m);
+        } else {
+            throw Error(`"${m}" is not a valid collage mode.`);
+        }
+    });
+
+    return result;
+}
+
+export function parseCollageModes(input: string): CollageModeType[] {
+    const result: CollageModeType[] = [];
+
+    input.split(",").map((m) => m.trim()).forEach((m) => {
+        if (isCollageModeType(m)) {
+            result.push(m);
+        } else {
+            throw Error(`"${m}" is not a valid collage mode.`);
+        }
+    });
+
+    return result;
+}
\ No newline at end of file