Unfair Undyne v0.99

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Bad Time Simulator Undyne | Unfair Undyne v0.99 Ultimate Battle

Released:September 6, 2025

Undertale

🎮 Controls: Arrow keys to move heart, Z to interact

👨‍💻 Developer: Joe Zeng

⏱️ Timer Feature: Track how long you survive without dying!

Unfair Undyne v0.99 - Undertale fish warrior battle game

Experience the ultimate Bad Time Simulator Undyne battle in this pixel-perfect Undertale fan game! Face the legendary fish warrior with authentic spear combat, survive her relentless magic attacks, and test your endurance with the built-in survival timer. Choose your path: pet the vegetables, fight the true hero, or atone for your sins in this intense battle experience.

Survival Challenge System

This Bad Time Simulator Undyne recreation features a unique survival timer that tracks your endurance throughout the battle. The game measures how long you can withstand Undyne's increasingly difficult attack patterns, adding a competitive element to the classic Undertale encounter.

Real-Time Survival Tracking

The built-in timer system adds a competitive survival element:

•Track your survival time in real-time during battle
•Challenge yourself to beat previous records
•Timer resets only when you die, encouraging perfect runs

This feature transforms the battle into an endurance test, rewarding players who master the attack patterns.

Multiple Battle Paths

Choose your approach to the Undyne encounter with three distinct options:

•Pet the Vegetables: A pacifist approach with unique dialogue
•Fight the True Hero: Direct combat with enhanced difficulty
•Atone for Your Sins: A redemption path with different mechanics

Each choice leads to different battle mechanics and story outcomes.

Comments

Test Your Survival Skills!

Start Survival Challenge!

Unfair Undyne v0.99

Bad Time Simulator Undyne | Unfair Undyne v0.99 Ultimate Battle

Game Overview

Survival Challenge System

Test Your Survival Skills!