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Mochi Slayer

A chibi anime hero stands alone against a meadow full of monsters — drag to dodge while your magic fires on its own, sweep up glowing shards to level up, and pick a new weapon or power every time until the stage boss falls.

About Mochi Slayer

Mochi Slayer is a one-thumb "survivors" arena in the spirit of Vampire Survivors, restyled with cute anime characters and chibi monsters. You control a single thing — where your little mage-girl walks. Everything else fights for you: every weapon you own automatically picks the nearest enemy and fires on its own timer, so the whole game is about positioning. Drag anywhere on the screen to slide a floating joystick (or use WASD / the arrow keys on a keyboard) and weave your hero through the gaps in the swarm while spirit bolts, fox-fire, spinning guardians and star novas tear the monsters apart around you.

Slain monsters scatter glowing XP shards. Walk over them — your hero has a magnet that sucks nearby shards in — and they fill your power bar. Every time the bar fills you LEVEL UP, the action pauses, and you choose one of three powers: a brand-new weapon, another level on a weapon you already carry, or a passive boost like Power, Haste, Swift feet, Vigor (more health), a bigger Magnet, Regen, or Guard armor. Because the three options are random each time, no two runs build the same hero — one game you might stack a wall of orbiting guardians, the next a long-range bolt-and-nova glass cannon.

Each stage is a survival timer. Outlast the clock while the swarm grows thicker and faster, and when it runs out the stage BOSS crashes in — a crowned Fang Lord, a hat-wearing Grave Witch, or a hulking Stone Titan with a big health bar and a ring of bullets. Beat the boss to clear the stage, earn three stars, and unlock the next of twenty hand-themed arenas, from Sakura Meadow to the Blood Citadel. Your hearts are your lifeline: every monster that touches you chips them away, so a clean run is one where you keep dancing just out of reach.

There are twenty curated stages that steadily add new monster types and tougher bosses, plus an Endless mode that throws every enemy at you at once and ramps forever for a high-survival challenge. The whole thing is built to grow — monsters, bosses, weapons, powers and stages are all simple data entries — so the roster keeps expanding. It runs instantly in any browser on phone, tablet or desktop, with your stars and unlocked stages saved on your device. No download, no account, no cost.

How to play Mochi Slayer

Press Play to drop into the current stage, or open Stages to pick any arena you've unlocked (or Endless).
Drag anywhere on the screen to move — a joystick appears under your thumb. On a keyboard, use WASD or the arrow keys.
Don't worry about aiming or shooting: every weapon you own auto-targets the nearest monster and fires by itself. Just keep your hero alive.
Walk over the glowing shards that monsters drop to fill your power bar; your magnet pulls in any that are close.
When you level up, the game pauses and shows three powers — tap one to add a new weapon, level up a weapon, or take a stat boost.
Watch your row of hearts. Each monster that touches you costs health, so weave through the gaps instead of charging into the crowd.
Survive until the timer hits zero — the stage boss appears with a health bar at the bottom. Whittle it down to clear the stage.
Clearing a stage earns three stars and unlocks the next. Chase all twenty, then test your build in Endless mode.

Controls

Input	Action
`Drag` / `Touch`	Move your hero — a floating joystick follows your thumb
`W A S D`	Move on a keyboard
`Arrow keys`	Move on a keyboard
`(automatic)`	All weapons auto-aim the nearest monster and fire on their own
`Tap a power card`	Choose your reward on each level-up
`Settings button`	Open sound on/off and the stage picker
`Back button`	Return to the Anime Mochi home page

Tips & strategy

Keep moving. Standing still lets the swarm surround you — a slow, constant circle around the arena keeps monsters strung out in a line your weapons can mow down.
Lead the crowd into your damage. Walk so the monsters chase you straight through your Star Nova rings, Petal Aura, or the path of your bolts.
Early levels, grabbing a second and third weapon usually beats over-leveling one — more weapons means more directions covered at once.
Guardians (orbiting orbs) and the Petal Aura hit anything that touches you, so they're great for surviving when you're boxed in by a wall of monsters.
Vigor (more max health) and Regen turn near-death runs around; take them when your hearts are running low rather than more damage.
Magnet upgrades let you scoop shards from across the screen, so you level up faster and snowball your build sooner.
Save room to dodge before the timer ends — the boss spawns the instant it hits zero, and you don't want to be cornered when it does.

Game features

One-thumb "survivors" gameplay — you only steer; every weapon auto-aims and auto-fires.
Cute anime hero versus chibi monsters: slimes, bats, ghosts, imps, wisps and stone golems.
Level-up power picks — choose 1 of 3 every level for a different build each run (new weapon, weapon level, or passive boost).
Six weapons — Spirit Bolt, Fox Fire, Guardians, Petal Aura, Star Nova and Moon Slash — each with multiple upgrade levels.
Seven passive upgrades: Power, Haste, Swift, Vigor, Magnet, Regen and Guard.
Twenty hand-themed stages, each a survive-the-timer run that ends in a boss fight (Fang Lord, Grave Witch, or Stone Titan).
Endless mode with every monster type and an ever-ramping difficulty for a high-survival challenge.
Hearts-based health, XP shards, a magnet pickup radius, rare healing drops, and three-star stage clears.
Fully synthesized sound effects, a floating touch joystick, and full keyboard support.
Plays instantly in any browser on phone, tablet or desktop, with progress saved locally — no download, no account.

Game details

Title: Mochi Slayer
Genre: Action survival roguelite
Players: 1 player
Controls: Drag anywhere (or WASD / arrow keys) to move; weapons auto-aim and auto-fire
Platforms: Web browser, Android, iOS (no download)
Developer: Anime Mochi
Released: 2026
Last updated: June 2026
Price: Free to play

Frequently asked questions

How do I attack in Mochi Slayer?

You don't have to — and you can't aim manually. Every weapon your hero owns automatically targets the nearest monster and fires on its own timer. The only thing you control is movement, so the skill is in dodging and positioning the swarm into your line of fire.

How do I get stronger during a run?

Monsters drop glowing XP shards when they die. Collect them to fill your power bar; each time it fills you level up and pick one of three powers — a new weapon, a higher level on a weapon you have, or a passive stat like more health, faster firing, or a wider magnet.

How do I clear a stage?

Each stage is a survival timer shown at the top. Survive until it reaches zero and the stage boss appears with a health bar. Defeat the boss to clear the stage, earn three stars, and unlock the next one.

How many stages are there?

There are twenty hand-themed curated stages that gradually add new monsters and tougher bosses, plus a separate Endless mode that uses every monster type and ramps up forever. You unlock the next curated stage by clearing the one before it.

What is Endless mode?

Endless drops you into an arena where every kind of monster spawns from the start and the difficulty climbs the longer you last — there's no final boss to end it, just a test of how long your build can survive. It's always available from the Stages screen.

Is it too hard for younger players?

It's built to be friendly: your hero heals slowly on its own, monsters do gentle contact damage on a cooldown rather than instantly, and early stages are short with one or two easy monster types. Picking Vigor and Regen on level-up makes runs even more forgiving.

Is my progress saved?

Yes — the stages you've unlocked and your stars are stored in your own browser on that device. There's no account or cloud save, so a different device or a cleared browser starts fresh.