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AdvSim
AdvSim is a browser-based Pokémon Showdown battle simulator that allows users to compete against AI agents trained via massively parallel GPU engines.
AdvSim provides a platform to battle against AI in Pokémon Showdown's Gen 3 Random Battle format. The tool utilizes a massively parallel GPU battle engine that matches Showdown's simulator logic. Users select between several agent types, including a Monte Carlo tree search guided by a PPO network, a pure PPO network, an Emerald-style logic bot, or a random choice bot. Everything runs locally on the user's device without server-side processing for decisions. It is designed for those interested in comparing different decision-making strategies within the Gen 3 Pokémon competitive environment.
AdvSim at a glance
- Best for: Software engineer
- Runs on: Web
- Pricing: Free
- Released: October 2026
- Category: AI agent tool
- Website: zkingston.com
Key features
- Monte Carlo tree search guided by PPO network
- Neural network trained with proximal policy optimization
- Emerald-style logic for move and replacement decisions
- Random move selection mode
- Local execution on the user device
- Massively parallel GPU battle engine
Use it for
- Testing AI decision strategies against Gen 3 Random Battles
- Simulating battles against specific reinforcement learning models
- Comparing PPO and MCTS performance in Pokémon combat
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