diff --git a/README.md b/README.md
index d309f2b..ddbb6d9 100644
--- a/README.md
+++ b/README.md
@@ -208,7 +208,7 @@ To get started, we need some imports.
 ```python
 from tianshou.highlevel.config import SamplingConfig
 from tianshou.highlevel.env import (
-    EnvFactoryGymnasium,
+    EnvFactoryRegistered,
     VectorEnvType,
 )
 from tianshou.highlevel.experiment import DQNExperimentBuilder, ExperimentConfig
diff --git a/examples/atari/atari_wrapper.py b/examples/atari/atari_wrapper.py
index 6e6c4e5..e8023b7 100644
--- a/examples/atari/atari_wrapper.py
+++ b/examples/atari/atari_wrapper.py
@@ -10,7 +10,7 @@ import numpy as np
 from gymnasium import Env
 
 from tianshou.highlevel.env import (
-    EnvFactoryGymnasium,
+    EnvFactoryRegistered,
     EnvMode,
     EnvPoolFactory,
     VectorEnvType,
@@ -345,7 +345,7 @@ def make_atari_env(
     return envs.env, envs.train_envs, envs.test_envs
 
 
-class AtariEnvFactory(EnvFactoryGymnasium):
+class AtariEnvFactory(EnvFactoryRegistered):
     def __init__(
         self,
         task: str,
diff --git a/examples/discrete/discrete_dqn_hl.py b/examples/discrete/discrete_dqn_hl.py
index c6092f2..e0f4ca5 100644
--- a/examples/discrete/discrete_dqn_hl.py
+++ b/examples/discrete/discrete_dqn_hl.py
@@ -1,6 +1,6 @@
 from tianshou.highlevel.config import SamplingConfig
 from tianshou.highlevel.env import (
-    EnvFactoryGymnasium,
+    EnvFactoryRegistered,
     VectorEnvType,
 )
 from tianshou.highlevel.experiment import DQNExperimentBuilder, ExperimentConfig
@@ -16,7 +16,7 @@ from tianshou.utils.logging import run_main
 def main():
     experiment = (
         DQNExperimentBuilder(
-            EnvFactoryGymnasium(task="CartPole-v1", seed=0, venv_type=VectorEnvType.DUMMY),
+            EnvFactoryRegistered(task="CartPole-v1", seed=0, venv_type=VectorEnvType.DUMMY),
             ExperimentConfig(
                 persistence_enabled=False,
                 watch=True,
diff --git a/examples/mujoco/mujoco_env.py b/examples/mujoco/mujoco_env.py
index dd752e9..081e41e 100644
--- a/examples/mujoco/mujoco_env.py
+++ b/examples/mujoco/mujoco_env.py
@@ -4,7 +4,7 @@ import pickle
 from tianshou.env import VectorEnvNormObs
 from tianshou.highlevel.env import (
     ContinuousEnvironments,
-    EnvFactoryGymnasium,
+    EnvFactoryRegistered,
     EnvPoolFactory,
     VectorEnvType,
 )
@@ -58,7 +58,7 @@ class MujocoEnvObsRmsPersistence(Persistence):
         world.envs.test_envs.set_obs_rms(obs_rms)
 
 
-class MujocoEnvFactory(EnvFactoryGymnasium):
+class MujocoEnvFactory(EnvFactoryRegistered):
     def __init__(self, task: str, seed: int, obs_norm=True):
         super().__init__(
             task=task,
diff --git a/test/highlevel/env_factory.py b/test/highlevel/env_factory.py
index 760bb5b..4d09ce8 100644
--- a/test/highlevel/env_factory.py
+++ b/test/highlevel/env_factory.py
@@ -1,14 +1,14 @@
 from tianshou.highlevel.env import (
-    EnvFactoryGymnasium,
+    EnvFactoryRegistered,
     VectorEnvType,
 )
 
 
-class DiscreteTestEnvFactory(EnvFactoryGymnasium):
+class DiscreteTestEnvFactory(EnvFactoryRegistered):
     def __init__(self):
         super().__init__(task="CartPole-v0", seed=42, venv_type=VectorEnvType.DUMMY)
 
 
-class ContinuousTestEnvFactory(EnvFactoryGymnasium):
+class ContinuousTestEnvFactory(EnvFactoryRegistered):
     def __init__(self):
         super().__init__(task="Pendulum-v1", seed=42, venv_type=VectorEnvType.DUMMY)
diff --git a/tianshou/highlevel/env.py b/tianshou/highlevel/env.py
index 5298c2d..0c07035 100644
--- a/tianshou/highlevel/env.py
+++ b/tianshou/highlevel/env.py
@@ -344,8 +344,9 @@ class EnvFactory(ToStringMixin, ABC):
                 raise ValueError
 
 
-class EnvFactoryGymnasium(EnvFactory):
-    """Factory for environments that can be created via `gymnasium.make` (or via `envpool.make_gymnasium`)."""
+class EnvFactoryRegistered(EnvFactory):
+    """Factory for environments that are registered with gymnasium and thus can be created via `gymnasium.make`
+    (or via `envpool.make_gymnasium`)."""
 
     def __init__(
         self,
@@ -357,7 +358,7 @@ class EnvFactoryGymnasium(EnvFactory):
         render_mode_train: str | None = None,
         render_mode_test: str | None = None,
         render_mode_watch: str = "human",
-        **kwargs: Any,
+        **make_kwargs: Any,
     ):
         """:param task: the gymnasium task/environment identifier
         :param seed: the random seed
@@ -366,7 +367,7 @@ class EnvFactoryGymnasium(EnvFactory):
         :param render_mode_train: the render mode to use for training environments
         :param render_mode_test: the render mode to use for test environments
         :param render_mode_watch: the render mode to use for environments that are used to watch agent performance
-        :param kwargs: additional keyword arguments to pass on to `gymnasium.make`.
+        :param make_kwargs: additional keyword arguments to pass on to `gymnasium.make`.
             If envpool is used, the gymnasium parameters will be appropriately translated for use with
             `envpool.make_gymnasium`.
         """
@@ -379,7 +380,7 @@ class EnvFactoryGymnasium(EnvFactory):
             EnvMode.TEST: render_mode_test,
             EnvMode.WATCH: render_mode_watch,
         }
-        self.kwargs = kwargs
+        self.make_kwargs = make_kwargs
 
     def _create_kwargs(self, mode: EnvMode) -> dict:
         """Adapts the keyword arguments for the given mode.
@@ -387,7 +388,7 @@ class EnvFactoryGymnasium(EnvFactory):
         :param mode: the mode
         :return: adapted keyword arguments
         """
-        kwargs = dict(self.kwargs)
+        kwargs = dict(self.make_kwargs)
         kwargs["render_mode"] = self.render_modes.get(mode)
         return kwargs