Open World
Endless arena. Stay as long as you stay alive, and cash out when you dare.
Every orb carries a bounty — it starts as the player's entry fee. Eat a smaller orb and its entire bounty transfers to you. Get eaten, and yours is gone. No dice, no reels — continuous movement, split, eject. Your hands decide.
Demo world is free play-money, never withdrawable · Read the terms first
The platform fee never touches your entry fee — it is taken on what you won, at the moment it settles. Win nothing, pay nothing.
Break even or lose? The platform fee is $0.
Same rule everywhere: Open World cash-outs and Timed Rounds bounties settle identically.
Endless arena. Stay as long as you stay alive, and cash out when you dare.
A 3:00 match. Survive the horn and you keep your bounty — your entry fee plus everything you claimed.
Learn the floor for free, then play for real — as two separate accounts in two separate worlds.
Earn 30% of what Roundz earns from the players you invite. Real accounts only.
You’ve read the terms — the rest is skill
Eat · Claim their bounty · Cash out alive
Your wallet starts at 0 and is funded only by USDC deposits.
Play-money credits in a separate world; no wallet, deposits, withdrawals, or conversion.
This will be your only login. Copy it before you continue.
The only key to your real-money account. Write it down before you continue.
The name other players will see.
Skip and you play under a generated name — change it anytime from your profile.
Add Roundz to your home screen: no browser bars, true full screen — especially in landscape.
Add 0 USDC to enter the lowest tier. What you deposit is what you play with — no fee on the way in.
The referral program pays USDC on real play. Open a Real account — a Web3 wallet or a 12-word recovery phrase — to get your invite link.
Roundz charges a platform fee of 10% of profit only — you take 30% of what it earns from your invitees, in USDC, for as long as they play.
Eat. Claim their bounty. Bank it. Sixty seconds of reading.
Your entry fee rides on your orb as its bounty for the whole run. There are exactly three ways it can end.
A bite only takes mass. A bounty moves only when someone is finished off — see 02 Eat below.
The four things you do in a run, in order.
Pick a tier, $1–$100. Your entry fee rides on your orb as its bounty; each tier is its own isolated arena.
Bites take mass. Money moves once: eliminate every last cell and their whole bounty lands on yours.
Dodge bigger orbs and the cyan spikes: over 250 mass you pop on contact. A pop sheds mass — your bounty stays on you.
Open world only. Survive your tier's entry lock (5s at $1 → 3:00 at $100), then a 4–20s countdown you stay edible through. Rounds settle at the horn instead.
Open world runs forever and you leave when you dare; a round has a clock and settles for everyone at the horn.
Every figure the game runs on, in one place.
= 1 USDC in the Real world · free play-money in Demo
platform fee — on profit only, cash-outs and round settlements alike
mass at a spike and you pop on contact; lighter passes freely
ejected blobs (W) fed to a spike fire it in that direction
six tiers, each an isolated world
Rounds only — round length; it ends early once one orb is left or no players are left in play
Open world has no clock — no round timer, no session cap. You leave by cashing out; being eaten or walking away mid-life costs you the bounty — melting outside the zone only costs mass (you respawn small, bounty intact)
disconnect grace: your orb stays, uncontrolled and edible, while you reconnect
referral share of what Roundz earns from players you invite — real accounts only
Move, split, eject — on a mouse or a phone.
Who holds the money, who computes the result, and why the two worlds never mix.
Physics and money run on the server; your screen only draws. Hacking the client changes nothing.
Demo runs on free play-money credits; Real runs on USDC. Balances never convert between the worlds, in either direction. Demo is a showcase: parts of its lobby feed (ticker, chat lines, player counts) are simulated; the Real world shows real activity only.
In the Real world you top up by sending USDC to your personal deposit address; withdrawals are paid out automatically after a short anti-fraud delay. Large amounts get a manual check — and so does your first withdrawal on a recovery-phrase account, whatever its size.
Every credit is either riding on an orb, held by a player, or Roundz's — the books are machine-checked on every test run.
The questions people actually ask.
In the Real world, yes — you play for USDC (1 credit = 1 USDC). Log in with a Web3 wallet or a 12-word recovery phrase; either way you fund the account by sending USDC to your personal deposit address and withdraw to any Solana address. In Demo, never: demo credits are free play-money that can't be withdrawn or converted into the Real world. The two worlds are fully separate.
Your orb stays in the arena for a ~30-second grace window — uncontrolled and still edible — while your client silently reconnects into the same match. Eaten meanwhile? The eater takes your bounty, as usual. Not back in time? Your orb stays on the field without you — uncontrolled, marked afk, still edible — and can no longer be reclaimed. Whoever eats it takes the bounty; in a round, an orb that survives to the horn has its bounty shared among the players still in. Closing the tab or logging out mid-round is the same thing, just by your own hand — there is no exit from a live match. Server updates are different: if a deploy restarts the arena mid-run, every live bounty is automatically returned to its player's balance — nothing forfeits. Pulling the plug during a cash-out cancels the cash-out. Lobby sessions resume automatically after a refresh.
Anti-snipe. Each tier has an entry lock (5s at $1 up to 3:00 at $100), then cashing out runs a visible 4–20s countdown during which you can still be eaten. Committing to leave is a play, not an escape hatch. Open world only — rounds settle at the horn.
Spikes. Orbs heavier than 250 mass pop into pieces on touch — a pop costs mass, never your bounty. Feed a spike 3 blobs (W) and it fires in that direction: a whale-hunting weapon.
Roundz charges a platform fee of 10% of profit (never your entry fee) — on open-world cash-outs and on every round settlement, for each player in profit. It also keeps bounties forfeited by walking out of the open world without cashing out. 30% of what Roundz earns from a referred player goes to their referrer (real accounts only).
You decide. Profile → Privacy: hide yourself from the leaderboard, and your P&L is private by default — flip the toggles anytime.
While rooms are still filling up, empty seats may be taken by bots, so every match is a full game. They are run by Roundz, marked with a robot tag in the game, and play by the same rules as everyone else.
Have your demo code, wallet, or recovery phrase ready to log in once. Your account and balance are the same.
Saved on this device.
Chosen on this device. Numbers, timers and amounts come from the server in every language.
Auto drops effects on slow devices to hold the frame rate; the button overrides.
Three minutes vs easy bots, no entry fee — the fastest way to learn the loop. Or skip it and play for real: 1 credit = 1 USDC, entry fees from $1.
How do you want to move? Change anytime in Account → Settings → Controls.
Cashed out alive
Banked to balance
Three photos, checked by a person. Your documents are encrypted on our side and are never shown to other players.
Passport, national ID or driver's licence. All corners in the frame, no glare, name and date of birth readable. Photos are resized on your device before upload.
Real funds on Solana. Your Roundz wallet is that USDC — nothing is converted.
⚠This account is under review. Deposits, withdrawals and real-money play are paused. Contact support@roundz.gg.
⚠We do not work with your country. Real-money play is not available where you are — no deposits, no paid games (see the Terms, Eligibility). Your wallet stays yours: withdrawals below keep working.
⚠USDC on the Solana network only. Sent from another chain — or as another token — it cannot be recovered by anyone.
No memo or tag, any amount. Lands in your wallet, to the cent, in about a minute while this window is open — otherwise the next time you open Roundz.
RZ are game tokens: they pay table entries and store items. They cannot be withdrawn or exchanged.
Skins, trails, frames and titles. Bought with RZ, yours to equip any time.
Real · USDC
Sign in with the wallet that holds your USDC.
Phantom
Use the wallet in this browser, or jump to the Phantom app.
The link to the server dropped. Reload to log back in — a live run is held ~30s, then the bounty is lost (a server update instead refunds it to your balance).
Connection dropped. If you were live in the arena, your orb is being held for a short grace window (still edible — hurry). Getting you back in…
Your bounty was taken by whoever ate you — you're out.
The menus are built tall — turn your phone upright to browse. Landscape is for playing.
Or add Roundz to your Home Screen — the app works both ways.