diff --git a/pkgs/default.nix b/pkgs/default.nix
index e79a989d..411c3836 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -50,7 +50,7 @@ in lib.makeScope pkgs.newScope (self: {
   #purrdata = callPackage ./purr-data { };
   speki = callPackage ./speki { };
   sqlc-gen-from-template = callPackage ./sqlc-gen-from-template { };
-  tic-80 = callPackage ./tic-80 { };
+  tic-80-unstable = callPackage ./tic-80 { };
   smile = callPackage ./smile { };
   sessiond = callPackage ./sessiond { };
   uwsm = callPackage ./uwsm { };
diff --git a/pkgs/tic-80/default.nix b/pkgs/tic-80/default.nix
index c93b73a0..de15c9d4 100644
--- a/pkgs/tic-80/default.nix
+++ b/pkgs/tic-80/default.nix
@@ -1,63 +1,92 @@
 # Build the TIC-80 virtual computer console with the PRO version. The
 # developers are kind enough to make it easy to compile it if you know
 # how.
-{ stdenv, lib, SDL2, SDL2_sound, alsa-lib, cmake, fetchFromGitHub, freeglut, git
-, gtk3, dbus, libGLU, libX11, libglvnd, libsamplerate, mesa, pkg-config, sndio
-, zlib
+{ stdenv, lib, giflib, SDL2, SDL2_sound, sdl2-compat, alsa-lib, argparse, curl
+, cmake, fetchFromGitHub, freeglut, git, gtk3, dbus, libGLU, libX11, libglvnd
+, libsamplerate, mesa, pkg-config, sndio, zlib, lua54Packages
 
 , pulseaudioSupport ? stdenv.isLinux, libpulseaudio
 
-, waylandSupport ? true, wayland, libxkbcommon, libdecor
+, jsSupport ? true, quickjs
+
+, waylandSupport ? true, wayland, wayland-scanner, libxkbcommon, libdecor
 
 , esoundSupport ? true, espeak
 
 , jackSupport ? true, jack2
 
-# Ruby support requires compiling mruby so we'll skip it for now.
-, rubySupport ? false, ruby, rake
+# As of 2025-03-26, it is basically required to have a very specific version of
+# mruby so no...
+, rubySupport ? false, mruby
 
-, pythonSupport ? true, python3
+, pythonSupport ? true
+
+, janetSupport ? true, janet
+
+# This doesn't have the appropriate system library as of nixpkgs 2025-03-26, btw.
+, wasmSupport ? true, wasm
 
 , withPro ? true }:
 
 # TODO: Fix the timestamp in the help section.
 stdenv.mkDerivation rec {
   pname = "tic-80";
-  version = "unstable-2023-07-18";
+  version = "unstable-2025-03-27";
 
   src = fetchFromGitHub {
     owner = "nesbox";
     repo = "TIC-80";
-    rev = "68b94ee596e1ac218b8b9685fd0485c7ee8d2f18";
-    hash = "sha256-S3LYuRRFMZYl6dENrV21bowzo7smm+zSHXt77/83oL0=";
+    rev = "5aa6c536607a5512ce1913acf3be7be8784fd8db";
+    hash = "sha256-oPubH/dPGDK/ZPY6NjycytAYY4PD2H9MbJg7jGBz3aI=";
     fetchSubmodules = true;
   };
 
   nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [
+    argparse
     alsa-lib
+    curl
     freeglut
     gtk3
+    giflib
     libsamplerate
     libGLU
     libglvnd
+    lua54Packages.lua
     mesa
     git
+    sdl2-compat
     SDL2
     SDL2_sound
     zlib
     sndio
-  ] ++ lib.optional pulseaudioSupport libpulseaudio
-    ++ lib.optional jackSupport jack2 ++ lib.optional esoundSupport espeak
-    ++ lib.optionals rubySupport [ ruby rake ]
-    ++ lib.optional pythonSupport python3
+  ] ++ lib.optionals pulseaudioSupport [ libpulseaudio ]
+    ++ lib.optionals jackSupport [ jack2 ]
+    ++ lib.optionals jsSupport [ quickjs ]
+    ++ lib.optionals esoundSupport [ espeak ]
+    ++ lib.optionals rubySupport [ mruby ]
+    ++ lib.optionals janetSupport [ janet ]
+    ++ lib.optionals wasmSupport [ wasm ]
     ++ lib.optionals (stdenv.isLinux && waylandSupport) [
       wayland
+      wayland-scanner
       libxkbcommon
       libdecor
     ];
 
-  cmakeFlags = lib.optional withPro "-DBUILD_PRO=ON";
+  cmakeFlags =
+    # Just leave the tinier libraries alone for this.
+    [
+      "-DPREFER_SYSTEM_LIBRARIES=ON"
+      "-DBUILD_WITH_FENNEL=ON"
+      "-DBUILD_WITH_MOON=ON"
+      "-DBUILD_WITH_SCHEME=ON"
+    ] ++ lib.optionals withPro [ "-DBUILD_PRO=ON" ]
+    ++ lib.optionals jsSupport [ "-DBUILD_WITH_JS=ON" ]
+    ++ lib.optionals rubySupport [ "-DBUILD_WITH_RUBY=ON" ]
+    ++ lib.optionals pythonSupport [ "-DBUILD_WITH_PYTHON=ON" ]
+    ++ lib.optionals wasmSupport [ "-DBUILD_WITH_WASM=ON" ]
+    ++ lib.optionals janetSupport [ "-DBUILD_WITH_JANET=ON" ];
 
   # Export all of the TIC-80-related utilities.
   outputs = [ "out" "dev" ];