DELTARUNE Fight is a fan-made boss fight simulator on Roblox created by ItsIsaacIO. The developer's own listing calls it 'a DELTARUNE fight sim fan game', states that mobile and consoles are supported, and documents Z to confirm, X to go back and a context-sensitive C. This page covers what the experience is and how to practise with it.
Table of Contents
What the experience is
The Roblox listing places DELTARUNE Fight in the Action category with the Battlegrounds and Fighting subgenre and a maximum of 15 players per server. It is an independent fan project: it is not the original DELTARUNE release by Toby Fox, and it is not endorsed by that team.
Practising an encounter
Players use it to run DELTARUNE-style battles again: reading a boss's telegraphs, dodging bullet patterns, and repeating a fight until the clear is clean. Because it is a fan project, the encounter list and its balance change between updates, so take the in-game menu as the current source.
Getting started
- Open the experience from its Roblox page and join a server.
- Check the on-screen prompt before relying on a key: the developer documents Z, X and C, but a prompt can override them.
- Run one encounter slowly to learn the pattern, then repeat it for a cleaner result.
What this page does not claim
We could not confirm competitive fighting-game features such as character tiers, move lists, edge-guarding or stock counts in any official source, so this page does not describe them.
Sources and known gaps
- Deltarune Battle Simulator V4 Source accessed:
- Deltarune Spamton Neo Retro Recreation - Bad Time Simulator Source accessed:
- There's a DELTARUNE Fighting Game?! Source accessed:
