Spamton NEO Fight Simulator — Play Online Free

[HOW TO PLAY]

• Use ARROW KEYS to move your soul and navigate menus.
• Use Z to confirm selections and fire shots - Hold for a BIG SHOT.
• Use X to cancel selections and slow your soul's movement.
• Use Q and E to move the Fluffy Guard.
• Use your MOUSE to view achievement descriptions on the title screen.
• Maybe a few other keys have secret uses...?

[EXTRA INSTRUCTIONS]

• Beat Normal Mode to unlock a Hard Mode with new attacks.
• No Hit runs are recorded on the Cloud Variable board for all to see. Good luck!
• Text Skip skips all text in the fight. Lag Switch removes unnecessary clones for smoother play.

[SURVIVAL GUIDE]

The simulator faithfully recreates the attack patterns that made the original Spamton NEO fight infamous. Here is how to survive the classics:

• Phone heads — spinning phone projectiles sweep across the box in waves. Stay calm and slip through the gaps with small movements; hold X to slow your soul for precise dodging.
• Pipis — Spamton drops eggs that hatch into bouncing shells. Shoot the eggs with Z before they hatch, or you will be dodging twice as many bullets a moment later.
• [BIG SHOT] lasers — watch the wind-up animation and clear the firing line early. The beams punish greedy positioning.
• Ad bombers — planes cross the box dropping explosives. Track the flight path, not the bombs, and you will always have a safe lane.
• The final phase — when the wires come out, aim carefully and cut Spamton NEO's strings to end the fight. This is the moment everything has built toward — don't choke.
• Use the Fluffy Guard — Q and E move your guard. Parking it in the densest bullet stream buys you room to breathe. It's the biggest advantage this simulator gives you, so use it.

Grinding a No Hit run? Learn one attack at a time with Text Skip on, and turn on Lag Switch if your frame rate dips — clean dodges need a clean frame rate.

[FAQ]

Can I play on mobile or Android?

Not comfortably. The fight needs a keyboard — arrow keys to move, Z and X to act. A phone or tablet will load the page, but without physical keys the fight is close to unplayable. Play on a desktop or laptop, or pair a Bluetooth keyboard with your mobile device.

Is this game unblocked at school?

The game runs entirely in your browser: no download, no install, no account. If your network can reach this site, you can play. That's it.

Is this the real Spamton NEO fight from Deltarune?

No — this is an unofficial fan recreation of the Chapter 2 secret boss encountered on the Weird/Snowgrave route. The original fight, characters, and music belong to Toby Fox. Want the real deal? Download DELTARUNE and earn the fight yourself.

How do I unlock Hard Mode?

Beat Normal Mode once. Hard Mode unlocks with new and faster attack patterns — and yes, the No Hit board tracks that too.

Where can I get the full DELTARUNE game?

Head to our download page for DELTARUNE Chapter 1&2. DELTARUNE is still being released chapter by chapter — see the news below.

[DELTARUNE NEWS]

Chapter 5 "Festival Day" is out! Toby Fox released DELTARUNE Chapter 5 on June 24, 2026 for PC, Nintendo Switch, Switch 2, PS4 and PS5, as a free update to the full game. A whole new Dark World awaits — and if Chapter 2's secret boss taught us anything, keep your eyes open for hidden fights.

New to the series or replaying before Chapter 5? Grab DELTARUNE Chapter 1&2 here and experience the original Spamton NEO fight where it all began.