Battle with Undyne!
About game
Challenge the legendary guardian of Waterfall — the fish-warrior Undyne. Raise the Green Soul’s shield to deflect flashing spears, then swap to the agile Red Soul to weave through volleys. Pick a difficulty from Relaxed to Hardcore; on the hardest setting stay alive as long as you can to climb the global leaderboard. Keep your DETERMINATION burning and claim victory!
How to play
— Select a difficulty level from the main menu — Hold the Green Soul’s shield to block Undyne’s spears — Switch to the Red Soul and dash to dodge incoming attacks — Survive Hardcore mode to etch your name on the leaderboardGame info
Age rating
6+
Platforms
Authorization support
Yes
Localization
Russian, Portuguese, Japanese, Italian, Indonesian, Hindi, French, Spanish, English, German, Arabic
Screen orientation
Release date
Sep 11, 2025
Cloud saves
No
Categories
