The Tower Defense Game AI with RL is a reinforcement learning project that trains an agent to make sequential decisions using Experience replay buffer and Training loop, implemented with OpenAI Gym / custom environments. The project focuses on a clean formulation of the environment, reward function, and policy, with careful logging and visualization so learning behaviour is easy to inspect. It is a complete RL capstone that demonstrates both algorithm fundamentals and practical training skills.
Many decision-making tasks are sequential: the best action depends on past states and future consequences, making rule-based or one-shot solutions ineffective. Without a reinforcement learning approach built on Training loop and OpenAI Gym / custom environments, agents cannot learn from trial and error, adapt to dynamic conditions, or balance short-term gains against long-term goals.
This project models the task as a Markov Decision Process and trains an agent with OpenAI Gym / custom environments using Experience replay buffer. The reward function is carefully designed, and Game environment provides insight into the learned policy. The agent improves over time through exploration and exploitation, and the whole pipeline is reproducible and easy to tune.
OpenAI Gym / custom environments
NumPy
Python 3.11+
Experience replay and target networks
Reproducible training configuration
PyTorch / TensorFlow
Clean environment and reward formulation with Experience replay buffer
Configurable algorithm and training hyperparameters
Episode and reward logging with learning curves
Policy evaluation and visualization
Reproducible experiments
Extensible architecture for new environments
The project separates the environment from the agent. The environment implements states, actions, and rewards through Experience replay buffer; the agent maintains a policy learned with OpenAI Gym / custom environments and Training loop; and the training loop coordinates episodes, logging, and evaluation. A configuration module controls all hyperparameters, and a visualization module renders learning curves and sample rollouts.
Set up the Python environment and define the task as an MDP with Experience replay buffer.
Implement the environment interface, state, action, and reward functions.
Build the learning algorithm with OpenAI Gym / custom environments and Training loop.
Train the agent and log episode rewards, tuning exploration and learning rate.
Evaluate the learned policy across multiple seed runs.
Add visualization and export the trained policy.
Write documentation and prepare the demo and viva report.
Understand Markov Decision Processes and reward design
Implement and debug core RL algorithms
Apply Deep Q-learning for games and Designing game environments
Analyze learning curves and convergence
Present and defend a complete RL project in viva
Scale to a more complex environment or real hardware
Add imitation learning to bootstrap from demonstrations
Deploy the policy behind an API for live interaction
Add model-based planning for sample efficiency
The Tower Defense Game AI with RL delivers a complete reinforcement learning workflow — environment design, algorithm implementation, training, and evaluation. It is practical, reproducible, and easy to explain, making it an excellent final year project that showcases real understanding of modern AI.
