

Eat.
Grow.
Split.
Don't get eaten.
Grow a golden cell in the Sunreef. Absorb the small, dodge the big, and split for a daring escape. Draft mutagens during each dive and build your next Endless run between sessions.
Free to start on iPhone and Android · No ads, ever.
No ads
Cell survival
Idle Vault
Daily Dive
How it plays
Absorb the small, outrun the big, and hold your nerve when the Apex arrives.
Massward turns eat-grow-split arena play into a solo roguelite. Absorb smaller cells, dodge violet hunters, split for a risky lunge, and avoid viruses that shatter oversized cells. Each depth moves from a calmer feeding phase into the Hunt, then brings in a charging Apex boss that rewards sharp steering and brave timing.
- Grow-by-eating arena movement
- Split mechanics for catching prey and escaping danger
- No ads, free Daily rankings, and unlimited Endless runs

The loop
Every run follows one honest loop.
- 01Drift
- 02Absorb smaller cells
- 03Grow
- 04Survive the Hunt
- 05Outplay the Apex
- 06Spend biomass
- 07Dive deeper.
What is inside
Inside Massward.
Bigger eats smaller
Absorb anything below your mass and grow; everything above yours wants to do the same to you. The whole game is reading the arena and picking your moments.
Split to win
Split your mass to lunge at fleeing prey or to escape a cell that has you cornered. Power and risk are the same button.
Mind the viruses
Viruses shatter oversized cells. Use them to escape a giant — or get greedy and become the snack.
Calm, Hunt, Apex
Farm safely while the arena is calm, outmaneuver predators during the Hunt, then evade or absorb the recurring Apex to reach the next depth.
Why it exists
Built for a reason.
Massward exists because eat-grow-split play is simple to read and hard to master — and freeing it from laggy servers makes it instant, fair, and endlessly replayable.
Made for arcade players who love arena momentum, risk-reward growth, and a clean one-more-run pull without matchmaking.

Inside the app
Real screens from Massward.










Fair unlocks
Play free. Own the rest when it earns it.
Always free
Start playing today
Free to start on iPhone and Android.
Unlock
Dive free. Evolve further.
- Free: Daily Dive and rankings, unlimited Endless, two mutation trees, Idle Vault
- Massward Full Game Unlock: $4.99 one-time
- StackForge Play Pass: $2.99/mo or $14.99/yr — Pro in every StackForge game
Play Daily Dive and unlimited Endless runs free, with Daily rankings, Metabolism and Motility mutations, and an Idle Vault that cultures biomass while you are away. Pro adds Combat and Yield mutations plus daily Ops rewards. Daily starts everyone at the same strength.
Play Pass
One pass, every StackForge game
$2.99 a month or $14.99 a year unlocks Pro in every StackForge game, plus One Good Thing.
Store prices appear in the app in your local currency.
Our promise, in every StackForge game
No ads. Ever.
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- No videos between levels
- No watching ads for rewards
- No advertising code in any app
Our games pay for themselves with optional unlocks, never with your attention.
We never sell your data.
Not to advertisers, not to data brokers, not to anyone.
We don’t track you.
Nothing in our apps follows you across other apps or websites.
No third-party analytics.
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No account needed.
Every game plays without signing up. An account is optional: it carries the Play Pass between games, and cloud saves in the games that have them.
Pay once, own it.
$4.99 unlocks a game for good. A subscription is only ever an option.
Ready when you are
Play Massward.
Free to start on iPhone and Android, with no ads, ever.