Welcome to Undertale 10th Anniversary! Take on iconic battles, discover hidden secrets, and enjoy the special edition fans have been waiting for.
What is Undertale 10th Anniversary?
The Undertale 10th Anniversary celebrates 10 years since Toby Fox’s indie RPG first released in September 2015. This milestone honors the game’s lasting impact, its unique storytelling, quirky characters, and innovative gameplay that has charmed players worldwide.
Gameplay
Players guide a child who falls into the monster world, making choices that shape the story. The Mercy system lets you decide whether to fight or forgive, keeping the core gameplay of the original intact.
This edition also adds:
- Revisited Characters and Storylines: Rediscover fan-favorite moments with beloved characters.
- New Areas and Secrets: Explore paths and scenes that weren’t in the original game.
- Expanded Lore: Learn more about the Underground and its connection to Deltarune, offering longtime players the most complete Undertale experience yet.
Game Modes
- Sans Battle Mode: Take on Sans in a reflex and timing challenge. His bulldozer-style attacks push you to the edge, so survival depends on precision, endurance, and perfectly timed jumps. Attacking him won’t work—patience is key!
- Mr. Sunshine & Aberrant: Introduced during the anniversary livestream, this duo’s tricky attacks provide fun twists on classic battles, full of surprises for both new and returning players.
What Happened During the 10th Anniversary?
A two-day livestream celebrated the milestone with new areas, hidden secrets, and battles that fans hadn’t seen before. While some content was exclusive to the event, it felt like a mini “director’s cut,” adding excitement and fresh experiences.
The celebration also highlighted:
- Fan Creations: Players could see community-made content inspired by the game.
- Connections to Deltarune: Appearances from characters like Spamton and playful nods to Papyrus created a fun crossover for fans.
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