diff --git a/Generate.py b/Generate.py
index e72887c2..9bc8d106 100644
--- a/Generate.py
+++ b/Generate.py
@@ -10,8 +10,8 @@ import sys
 import urllib.parse
 import urllib.request
 from collections import Counter
-from typing import Any, Dict, Tuple, Union
 from itertools import chain
+from typing import Any
 
 import ModuleUpdate
 
@@ -77,7 +77,7 @@ def get_seed_name(random_source) -> str:
     return f"{random_source.randint(0, pow(10, seeddigits) - 1)}".zfill(seeddigits)
 
 
-def main(args=None) -> Tuple[argparse.Namespace, int]:
+def main(args=None) -> tuple[argparse.Namespace, int]:
     # __name__ == "__main__" check so unittests that already imported worlds don't trip this.
     if __name__ == "__main__" and "worlds" in sys.modules:
         raise Exception("Worlds system should not be loaded before logging init.")
@@ -95,7 +95,7 @@ def main(args=None) -> Tuple[argparse.Namespace, int]:
         logging.info("Race mode enabled. Using non-deterministic random source.")
         random.seed()  # reset to time-based random source
 
-    weights_cache: Dict[str, Tuple[Any, ...]] = {}
+    weights_cache: dict[str, tuple[Any, ...]] = {}
     if args.weights_file_path and os.path.exists(args.weights_file_path):
         try:
             weights_cache[args.weights_file_path] = read_weights_yamls(args.weights_file_path)
@@ -180,7 +180,7 @@ def main(args=None) -> Tuple[argparse.Namespace, int]:
     erargs.name = {}
     erargs.csv_output = args.csv_output
 
-    settings_cache: Dict[str, Tuple[argparse.Namespace, ...]] = \
+    settings_cache: dict[str, tuple[argparse.Namespace, ...]] = \
         {fname: (tuple(roll_settings(yaml, args.plando) for yaml in yamls) if args.sameoptions else None)
          for fname, yamls in weights_cache.items()}
 
@@ -212,7 +212,7 @@ def main(args=None) -> Tuple[argparse.Namespace, int]:
         path = player_path_cache[player]
         if path:
             try:
-                settings: Tuple[argparse.Namespace, ...] = settings_cache[path] if settings_cache[path] else \
+                settings: tuple[argparse.Namespace, ...] = settings_cache[path] if settings_cache[path] else \
                     tuple(roll_settings(yaml, args.plando) for yaml in weights_cache[path])
                 for settingsObject in settings:
                     for k, v in vars(settingsObject).items():
@@ -242,7 +242,7 @@ def main(args=None) -> Tuple[argparse.Namespace, int]:
     return erargs, seed
 
 
-def read_weights_yamls(path) -> Tuple[Any, ...]:
+def read_weights_yamls(path) -> tuple[Any, ...]:
     try:
         if urllib.parse.urlparse(path).scheme in ('https', 'file'):
             yaml = str(urllib.request.urlopen(path).read(), "utf-8-sig")
@@ -378,7 +378,7 @@ def update_weights(weights: dict, new_weights: dict, update_type: str, name: str
     return weights
 
 
-def roll_meta_option(option_key, game: str, category_dict: Dict) -> Any:
+def roll_meta_option(option_key, game: str, category_dict: dict) -> Any:
     from worlds import AutoWorldRegister
 
     if not game:
diff --git a/Launcher.py b/Launcher.py
index 594286fa..50349024 100644
--- a/Launcher.py
+++ b/Launcher.py
@@ -16,9 +16,10 @@ import subprocess
 import sys
 import urllib.parse
 import webbrowser
+from collections.abc import Callable, Sequence
 from os.path import isfile
 from shutil import which
-from typing import Callable, Optional, Sequence, Tuple, Union, Any
+from typing import Any
 
 if __name__ == "__main__":
     import ModuleUpdate
@@ -114,7 +115,7 @@ components.extend([
 ])
 
 
-def handle_uri(path: str, launch_args: Tuple[str, ...]) -> None:
+def handle_uri(path: str, launch_args: tuple[str, ...]) -> None:
     url = urllib.parse.urlparse(path)
     queries = urllib.parse.parse_qs(url.query)
     launch_args = (path, *launch_args)
@@ -162,7 +163,7 @@ def handle_uri(path: str, launch_args: Tuple[str, ...]) -> None:
     ).open()
 
 
-def identify(path: Union[None, str]) -> Tuple[Union[None, str], Union[None, Component]]:
+def identify(path: None | str) -> tuple[None | str, None | Component]:
     if path is None:
         return None, None
     for component in components:
@@ -173,7 +174,7 @@ def identify(path: Union[None, str]) -> Tuple[Union[None, str], Union[None, Comp
     return None, None
 
 
-def get_exe(component: Union[str, Component]) -> Optional[Sequence[str]]:
+def get_exe(component: str | Component) -> Sequence[str] | None:
     if isinstance(component, str):
         name = component
         component = None
@@ -226,7 +227,7 @@ def create_shortcut(button: Any, component: Component) -> None:
     button.menu.dismiss()
 
 
-refresh_components: Optional[Callable[[], None]] = None
+refresh_components: Callable[[], None] | None = None
 
 
 def run_gui(path: str, args: Any) -> None:
@@ -451,7 +452,7 @@ def run_component(component: Component, *args):
         logging.warning(f"Component {component} does not appear to be executable.")
 
 
-def main(args: Optional[Union[argparse.Namespace, dict]] = None):
+def main(args: argparse.Namespace | dict | None = None):
     if isinstance(args, argparse.Namespace):
         args = {k: v for k, v in args._get_kwargs()}
     elif not args:
diff --git a/Main.py b/Main.py
index 147fa382..442c2ff4 100644
--- a/Main.py
+++ b/Main.py
@@ -7,14 +7,13 @@ import tempfile
 import time
 import zipfile
 import zlib
-from typing import Dict, List, Optional, Set, Tuple, Union
 
 import worlds
-from BaseClasses import CollectionState, Item, Location, LocationProgressType, MultiWorld, Region
+from BaseClasses import CollectionState, Item, Location, LocationProgressType, MultiWorld
 from Fill import FillError, balance_multiworld_progression, distribute_items_restrictive, flood_items, \
     parse_planned_blocks, distribute_planned_blocks, resolve_early_locations_for_planned
 from Options import StartInventoryPool
-from Utils import __version__, output_path, version_tuple, get_settings
+from Utils import __version__, output_path, version_tuple
 from settings import get_settings
 from worlds import AutoWorld
 from worlds.generic.Rules import exclusion_rules, locality_rules
@@ -22,7 +21,7 @@ from worlds.generic.Rules import exclusion_rules, locality_rules
 __all__ = ["main"]
 
 
-def main(args, seed=None, baked_server_options: Optional[Dict[str, object]] = None):
+def main(args, seed=None, baked_server_options: dict[str, object] | None = None):
     if not baked_server_options:
         baked_server_options = get_settings().server_options.as_dict()
     assert isinstance(baked_server_options, dict)
@@ -140,7 +139,7 @@ def main(args, seed=None, baked_server_options: Optional[Dict[str, object]] = No
     # remove starting inventory from pool items.
     # Because some worlds don't actually create items during create_items this has to be as late as possible.
     fallback_inventory = StartInventoryPool({})
-    depletion_pool: Dict[int, Dict[str, int]] = {
+    depletion_pool: dict[int, dict[str, int]] = {
         player: getattr(multiworld.worlds[player].options, "start_inventory_from_pool", fallback_inventory).value.copy()
         for player in multiworld.player_ids
     }
@@ -149,7 +148,7 @@ def main(args, seed=None, baked_server_options: Optional[Dict[str, object]] = No
     }
 
     if target_per_player:
-        new_itempool: List[Item] = []
+        new_itempool: list[Item] = []
 
         # Make new itempool with start_inventory_from_pool items removed
         for item in multiworld.itempool:
@@ -233,7 +232,7 @@ def main(args, seed=None, baked_server_options: Optional[Dict[str, object]] = No
                     pool.submit(AutoWorld.call_single, multiworld, "generate_output", player, temp_dir))
 
             # collect ER hint info
-            er_hint_data: Dict[int, Dict[int, str]] = {}
+            er_hint_data: dict[int, dict[int, str]] = {}
             AutoWorld.call_all(multiworld, 'extend_hint_information', er_hint_data)
 
             def write_multidata():
@@ -274,7 +273,7 @@ def main(args, seed=None, baked_server_options: Optional[Dict[str, object]] = No
                         for player in multiworld.groups[location.item.player]["players"]:
                             precollected_hints[player].add(hint)
 
-                locations_data: Dict[int, Dict[int, Tuple[int, int, int]]] = {player: {} for player in multiworld.player_ids}
+                locations_data: dict[int, dict[int, tuple[int, int, int]]] = {player: {} for player in multiworld.player_ids}
                 for location in multiworld.get_filled_locations():
                     if type(location.address) == int:
                         assert location.item.code is not None, "item code None should be event, " \
@@ -303,12 +302,12 @@ def main(args, seed=None, baked_server_options: Optional[Dict[str, object]] = No
                 }
                 data_package["Archipelago"] = worlds.network_data_package["games"]["Archipelago"]
 
-                checks_in_area: Dict[int, Dict[str, Union[int, List[int]]]] = {}
+                checks_in_area: dict[int, dict[str, int | list[int]]] = {}
 
                 # get spheres -> filter address==None -> skip empty
-                spheres: List[Dict[int, Set[int]]] = []
+                spheres: list[dict[int, set[int]]] = []
                 for sphere in multiworld.get_sendable_spheres():
-                    current_sphere: Dict[int, Set[int]] = collections.defaultdict(set)
+                    current_sphere: dict[int, set[int]] = collections.defaultdict(set)
                     for sphere_location in sphere:
                         current_sphere[sphere_location.player].add(sphere_location.address)
 
diff --git a/settings.py b/settings.py
index 255c537f..ef1ea9ad 100644
--- a/settings.py
+++ b/settings.py
@@ -10,9 +10,10 @@ import sys
 import types
 import typing
 import warnings
+from collections.abc import Iterator, Sequence
 from enum import IntEnum
 from threading import Lock
-from typing import cast, Any, BinaryIO, ClassVar, Dict, Iterator, List, Optional, TextIO, Tuple, Union, TypeVar
+from typing import cast, Any, BinaryIO, ClassVar, TextIO, TypeVar, Union
 
 __all__ = [
     "get_settings", "fmt_doc", "no_gui",
@@ -23,7 +24,7 @@ __all__ = [
 
 no_gui = False
 skip_autosave = False
-_world_settings_name_cache: Dict[str, str] = {}  # TODO: cache on disk and update when worlds change
+_world_settings_name_cache: dict[str, str] = {}  # TODO: cache on disk and update when worlds change
 _world_settings_name_cache_updated = False
 _lock = Lock()
 
@@ -53,7 +54,7 @@ def fmt_doc(cls: type, level: int) -> str:
 
 
 class Group:
-    _type_cache: ClassVar[Optional[Dict[str, Any]]] = None
+    _type_cache: ClassVar[dict[str, Any] | None] = None
     _dumping: bool = False
     _has_attr: bool = False
     _changed: bool = False
@@ -106,7 +107,7 @@ class Group:
                                         self.__dict__.values()))
 
     @classmethod
-    def get_type_hints(cls) -> Dict[str, Any]:
+    def get_type_hints(cls) -> dict[str, Any]:
         """Returns resolved type hints for the class"""
         if cls._type_cache is None:
             if not cls.__annotations__ or not isinstance(next(iter(cls.__annotations__.values())), str):
@@ -124,10 +125,10 @@ class Group:
             return self[key]
         return default
 
-    def items(self) -> List[Tuple[str, Any]]:
+    def items(self) -> list[tuple[str, Any]]:
         return [(key, getattr(self, key)) for key in self]
 
-    def update(self, dct: Dict[str, Any]) -> None:
+    def update(self, dct: dict[str, Any]) -> None:
         assert isinstance(dct, dict), f"{self.__class__.__name__}.update called with " \
                                       f"{dct.__class__.__name__} instead of dict."
 
@@ -196,7 +197,7 @@ class Group:
                         warnings.warn(f"{self.__class__.__name__}.{k} "
                                       f"assigned from incompatible type {type(v).__name__}")
 
-    def as_dict(self, *args: str, downcast: bool = True) -> Dict[str, Any]:
+    def as_dict(self, *args: str, downcast: bool = True) -> dict[str, Any]:
         return {
             name: _to_builtin(cast(object, getattr(self, name))) if downcast else getattr(self, name)
             for name in self if not args or name in args
@@ -211,7 +212,7 @@ class Group:
         f.write(f"{indent}{yaml_line}")
 
     @classmethod
-    def _dump_item(cls, name: Optional[str], attr: object, f: TextIO, level: int) -> None:
+    def _dump_item(cls, name: str | None, attr: object, f: TextIO, level: int) -> None:
         """Write a group, dict or sequence item to f, where attr can be a scalar or a collection"""
 
         # lazy construction of yaml Dumper to avoid loading Utils early
@@ -223,7 +224,7 @@ class Group:
                     def represent_mapping(self, tag: str, mapping: Any, flow_style: Any = None) -> MappingNode:
                         from yaml import ScalarNode
                         res: MappingNode = super().represent_mapping(tag, mapping, flow_style)
-                        pairs = cast(List[Tuple[ScalarNode, Any]], res.value)
+                        pairs = cast(list[tuple[ScalarNode, Any]], res.value)
                         for k, v in pairs:
                             k.style = None  # remove quotes from keys
                         return res
@@ -329,9 +330,9 @@ class Path(str):
     """Marks the file as required and opens a file browser when missing"""
     is_exe: bool = False
     """Special cross-platform handling for executables"""
-    description: Optional[str] = None
+    description: str | None = None
     """Title to display when browsing for the file"""
-    copy_to: Optional[str] = None
+    copy_to: str | None = None
     """If not None, copy to AP folder instead of linking it"""
 
     @classmethod
@@ -339,7 +340,7 @@ class Path(str):
         """Overload and raise to validate input files from browse"""
         pass
 
-    def browse(self: T, **kwargs: Any) -> Optional[T]:
+    def browse(self: T, **kwargs: Any) -> T | None:
         """Opens a file browser to search for the file"""
         raise NotImplementedError(f"Please use a subclass of Path for {self.__class__.__name__}")
 
@@ -369,12 +370,12 @@ class _LocalPath(str):
 class FilePath(Path):
     # path to a file
 
-    md5s: ClassVar[List[Union[str, bytes]]] = []
+    md5s: ClassVar[list[str | bytes]] = []
     """MD5 hashes for default validator."""
 
     def browse(self: T,
-               filetypes: Optional[typing.Sequence[typing.Tuple[str, typing.Sequence[str]]]] = None, **kwargs: Any)\
-            -> Optional[T]:
+               filetypes: Sequence[tuple[str, Sequence[str]]] | None = None, **kwargs: Any)\
+            -> T | None:
         from Utils import open_filename, is_windows
         if not filetypes:
             if self.is_exe:
@@ -439,7 +440,7 @@ class FilePath(Path):
 class FolderPath(Path):
     # path to a folder
 
-    def browse(self: T, **kwargs: Any) -> Optional[T]:
+    def browse(self: T, **kwargs: Any) -> T | None:
         from Utils import open_directory
         res = open_directory(f"Select {self.description or self.__class__.__name__}", self)
         if res:
@@ -597,16 +598,16 @@ class ServerOptions(Group):
         OFF = 0
         ON = 1
 
-    host: Optional[str] = None
+    host: str | None = None
     port: int = 38281
-    password: Optional[str] = None
-    multidata: Optional[str] = None
-    savefile: Optional[str] = None
+    password: str | None = None
+    multidata: str | None = None
+    savefile: str | None = None
     disable_save: bool = False
     loglevel: str = "info"
     logtime: bool = False
-    server_password: Optional[ServerPassword] = None
-    disable_item_cheat: Union[DisableItemCheat, bool] = False
+    server_password: ServerPassword | None = None
+    disable_item_cheat: DisableItemCheat | bool = False
     location_check_points: LocationCheckPoints = LocationCheckPoints(1)
     hint_cost: HintCost = HintCost(10)
     release_mode: ReleaseMode = ReleaseMode("auto")
@@ -702,7 +703,7 @@ does nothing if not found
         """
 
     sni_path: SNIPath = SNIPath("SNI")
-    snes_rom_start: Union[SnesRomStart, bool] = True
+    snes_rom_start: SnesRomStart | bool = True
 
 
 class BizHawkClientOptions(Group):
@@ -721,7 +722,7 @@ class BizHawkClientOptions(Group):
         """
 
     emuhawk_path: EmuHawkPath = EmuHawkPath(None)
-    rom_start: Union[RomStart, bool] = True
+    rom_start: RomStart | bool = True
 
 
 # Top-level group with lazy loading of worlds
@@ -733,7 +734,7 @@ class Settings(Group):
     sni_options: SNIOptions = SNIOptions()
     bizhawkclient_options: BizHawkClientOptions = BizHawkClientOptions()
 
-    _filename: Optional[str] = None
+    _filename: str | None = None
 
     def __getattribute__(self, key: str) -> Any:
         if key.startswith("_") or key in self.__class__.__dict__:
@@ -787,7 +788,7 @@ class Settings(Group):
 
         return super().__getattribute__(key)
 
-    def __init__(self, location: Optional[str]):  # change to PathLike[str] once we drop 3.8?
+    def __init__(self, location: str | None):  # change to PathLike[str] once we drop 3.8?
         super().__init__()
         if location:
             from Utils import parse_yaml
@@ -821,7 +822,7 @@ class Settings(Group):
             import atexit
             atexit.register(autosave)
 
-    def save(self, location: Optional[str] = None) -> None:  # as above
+    def save(self, location: str | None = None) -> None:  # as above
         from Utils import parse_yaml
         location = location or self._filename
         assert location, "No file specified"
@@ -854,7 +855,7 @@ class Settings(Group):
         super().dump(f, level)
 
     @property
-    def filename(self) -> Optional[str]:
+    def filename(self) -> str | None:
         return self._filename
 
 
@@ -867,7 +868,7 @@ def get_settings() -> Settings:
         if not res:
             from Utils import user_path, local_path
             filenames = ("options.yaml", "host.yaml")
-            locations: List[str] = []
+            locations: list[str] = []
             if os.path.join(os.getcwd()) != local_path():
                 locations += filenames  # use files from cwd only if it's not the local_path
             locations += [user_path(filename) for filename in filenames]
diff --git a/setup.py b/setup.py
index 8d415932..2654cc69 100644
--- a/setup.py
+++ b/setup.py
@@ -1,22 +1,20 @@
 import base64
 import datetime
+import io
+import json
 import os
 import platform
 import shutil
+import subprocess
 import sys
 import sysconfig
+import threading
+import urllib.request
 import warnings
 import zipfile
-import urllib.request
-import io
-import json
-import threading
-import subprocess
-
+from collections.abc import Iterable, Sequence
 from hashlib import sha3_512
 from pathlib import Path
-from typing import Dict, Iterable, List, Optional, Sequence, Set, Tuple, Union
-
 
 # This is a bit jank. We need cx-Freeze to be able to run anything from this script, so install it
 requirement = 'cx-Freeze==8.0.0'
@@ -60,7 +58,7 @@ from Cython.Build import cythonize
 
 
 # On  Python < 3.10 LogicMixin is not currently supported.
-non_apworlds: Set[str] = {
+non_apworlds: set[str] = {
     "A Link to the Past",
     "Adventure",
     "ArchipIDLE",
@@ -147,7 +145,7 @@ def download_SNI() -> None:
         print(f"No SNI found for system spec {platform_name} {machine_name}")
 
 
-signtool: Optional[str]
+signtool: str | None
 if os.path.exists("X:/pw.txt"):
     print("Using signtool")
     with open("X:/pw.txt", encoding="utf-8-sig") as f:
@@ -205,7 +203,7 @@ def remove_sprites_from_folder(folder: Path) -> None:
             os.remove(folder / file)
 
 
-def _threaded_hash(filepath: Union[str, Path]) -> str:
+def _threaded_hash(filepath: str | Path) -> str:
     hasher = sha3_512()
     hasher.update(open(filepath, "rb").read())
     return base64.b85encode(hasher.digest()).decode()
@@ -255,7 +253,7 @@ class BuildExeCommand(cx_Freeze.command.build_exe.build_exe):
         self.libfolder = Path(self.buildfolder, "lib")
         self.library = Path(self.libfolder, "library.zip")
 
-    def installfile(self, path: Path, subpath: Optional[Union[str, Path]] = None, keep_content: bool = False) -> None:
+    def installfile(self, path: Path, subpath: str | Path | None = None, keep_content: bool = False) -> None:
         folder = self.buildfolder
         if subpath:
             folder /= subpath
@@ -374,7 +372,7 @@ class BuildExeCommand(cx_Freeze.command.build_exe.build_exe):
         from worlds.AutoWorld import AutoWorldRegister
         assert not non_apworlds - set(AutoWorldRegister.world_types), \
             f"Unknown world {non_apworlds - set(AutoWorldRegister.world_types)} designated for .apworld"
-        folders_to_remove: List[str] = []
+        folders_to_remove: list[str] = []
         disabled_worlds_folder = "worlds_disabled"
         for entry in os.listdir(disabled_worlds_folder):
             if os.path.isdir(os.path.join(disabled_worlds_folder, entry)):
@@ -446,12 +444,12 @@ class AppImageCommand(setuptools.Command):
         ("app-exec=", None, "The application to run inside the image."),
         ("yes", "y", 'Answer "yes" to all questions.'),
     ]
-    build_folder: Optional[Path]
-    dist_file: Optional[Path]
-    app_dir: Optional[Path]
+    build_folder: Path | None
+    dist_file: Path | None
+    app_dir: Path | None
     app_name: str
-    app_exec: Optional[Path]
-    app_icon: Optional[Path]  # source file
+    app_exec: Path | None
+    app_icon: Path | None  # source file
     app_id: str  # lower case name, used for icon and .desktop
     yes: bool
 
@@ -493,7 +491,7 @@ $APPDIR/$exe "$@"
 """)
         launcher_filename.chmod(0o755)
 
-    def install_icon(self, src: Path, name: Optional[str] = None, symlink: Optional[Path] = None) -> None:
+    def install_icon(self, src: Path, name: str | None = None, symlink: Path | None = None) -> None:
         assert self.app_dir, "Invalid app_dir"
         try:
             from PIL import Image
@@ -556,7 +554,7 @@ $APPDIR/$exe "$@"
         subprocess.call(f'ARCH={build_arch} ./appimagetool -n "{self.app_dir}" "{self.dist_file}"', shell=True)
 
 
-def find_libs(*args: str) -> Sequence[Tuple[str, str]]:
+def find_libs(*args: str) -> Sequence[tuple[str, str]]:
     """Try to find system libraries to be included."""
     if not args:
         return []
@@ -564,7 +562,7 @@ def find_libs(*args: str) -> Sequence[Tuple[str, str]]:
     arch = build_arch.replace('_', '-')
     libc = 'libc6'  # we currently don't support musl
 
-    def parse(line: str) -> Tuple[Tuple[str, str, str], str]:
+    def parse(line: str) -> tuple[tuple[str, str, str], str]:
         lib, path = line.strip().split(' => ')
         lib, typ = lib.split(' ', 1)
         for test_arch in ('x86-64', 'i386', 'aarch64'):
@@ -589,8 +587,8 @@ def find_libs(*args: str) -> Sequence[Tuple[str, str]]:
             k: v for k, v in (parse(line) for line in data if "=>" in line)
         }
 
-    def find_lib(lib: str, arch: str, libc: str) -> Optional[str]:
-        cache: Dict[Tuple[str, str, str], str] = getattr(find_libs, "cache")
+    def find_lib(lib: str, arch: str, libc: str) -> str | None:
+        cache: dict[tuple[str, str, str], str] = getattr(find_libs, "cache")
         for k, v in cache.items():
             if k == (lib, arch, libc):
                 return v
@@ -599,7 +597,7 @@ def find_libs(*args: str) -> Sequence[Tuple[str, str]]:
                 return v
         return None
 
-    res: List[Tuple[str, str]] = []
+    res: list[tuple[str, str]] = []
     for arg in args:
         # try exact match, empty libc, empty arch, empty arch and libc
         file = find_lib(arg, arch, libc)
diff --git a/test/hosting/world.py b/test/hosting/world.py
index e083e027..74126412 100644
--- a/test/hosting/world.py
+++ b/test/hosting/world.py
@@ -1,13 +1,12 @@
 import re
 import shutil
 from pathlib import Path
-from typing import Dict
 
 
 __all__ = ["copy", "delete"]
 
 
-_new_worlds: Dict[str, str] = {}
+_new_worlds: dict[str, str] = {}
 
 
 def copy(src: str, dst: str) -> None: